JPH10148853A - Light-controlling method and light-controlling device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain photoresponsiveness with enough large intensity and good reproducibility by constituting an optical element of a photoresponding compsn. containing one kind of specified pericondensed polycyclic aromatic compd. SOLUTION: Optical paths of control light and signal light are arranged in such a manner that the control light and signal light are independently converged to irradiate an optical element and that the area near the focus having the highest photon density of each light overlaps each other in the optical element. The optical element consists of a photoresponding compsn. containing one kind of pericondensed polycylic aromatic compd. expressed by formulae I to VIII. In formulae, RN<1> to RN<6> are independently hydrogen atoms, hydroxyl groups, univalent substituents derived from compds. of group IV elements (C, Si, Ge, Sn, Pd), RC<1> to RC<48> are hydrogen atoms, compds. of group IV elements, compds. of group V elements (N, P, As, Sb, Bi), compds. of groups. of groups Vi elements (O, S, Se, Te, Po) or univalent substituents derived from group VII elements (F, Cl, Br, I), Z<1> to Z<10> are residues each of which is bonded to two nitrogen atoms to form a condensed heteroring.

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to optical communication, optical information, and the like.
For optoelectronics and photonics such as processing
An optical element composed of a photoresponsive composition useful in the field
The present invention relates to a light control method and a light control device to be used.
You. [0002] 2. Description of the Related Art For the purpose of transmitting and processing ultra-high-speed information,
Optoelectronics and
In the field of photonics and
By irradiating light to the optical element created by processing the product
The change in transmittance and refractive index caused by
Light intensity (amplitude) or frequency without using circuit technology
Research and development of light / light control method to modulate (wavelength)
Is being actively promoted. Also, taking advantage of the characteristics of light,
When performing parallel optical logic operations or image processing,
Some change such as light intensity distribution change in the cross section of the beam (beam bundle)
The "spatial light modulator" for tuning is extremely important,
Here too, the application of the light / light control method is expected. Phenomena expected to be applied to light / light control methods
Saturable absorption, nonlinear refraction, photorefractive
Optical effects such as the optical effect, and photochromic
The phenomenon is gaining wide attention. On the other hand, the component excited by the light of the first wavelength band
Is the first wavelength band without changing the molecular structure
New light absorption in a different second wavelength band
Elephants are also known and can be referred to as “excited state absorption” or “
It can be called "conducted absorption" or "transient absorption". [0005] Examples of applications of excited state absorption include:
For example, Japanese Patent Laid-Open Publication No.
For solutions or solids containing phosphorus compounds and electron acceptors
And irradiate at least two types of light beams with different wavelengths.
Irradiates the information of the light beam of one wavelength
A light conversion method is disclosed which shifts to the wavelength of the line. Ma
JP-A-55-100503 and JP-A-55-150503
No. 108603 discloses a porphyrin derivative and the like.
Of the spectrum between the ground state and the excited state of organic compounds
By utilizing the difference, the propagating light can be
Disclose liquid core optical fiber with functionalities to choose
Have been. Also, JP-A-63-89805 discloses
Triplets higher than triplet state excited by light
Porphyrin induction with absorption corresponding to transition to state
Plastic containing organic compounds in the core
An optical fiber is disclosed. Also, JP-A-63-
No. 2,360,13 discloses cyanide such as cryptocyanine.
Photoexcitation of molecules by irradiating crystals of dyes with light of the first wavelength
After that, the light of the second wavelength different from the first wavelength is
Irradiates the photons, depending on the state of photoexcitation by the
Switch the transmission or reflection of light of the second wavelength
Such an optical functional device is disclosed. Also, Japanese Unexamined Patent Publication No.
No. 73326 discloses a photoinduced reaction of a porphyrin derivative or the like.
Light modulation medium with electron transfer material dispersed in matrix material
Excitation of molecules by irradiating the body with light of the first and second wavelengths
Of light using the difference in absorption spectra between the two states
An optical signal modulation medium that modulates is disclosed. The optical devices used in these prior arts
Is disclosed in JP-A-55-100503,
JP-A-55-108603 and JP-A-63-8
No. 9805 discloses an optical fiber in which propagating light propagates.
Wrap around light source (eg flash lamp)
Japanese Patent Application Laid-Open No. 53-1 / 1983
37884 and JP-A-64-73326
Is the propagation of light equivalent to the signal light inside the photoresponsive optical element.
Control from the direction different from the optical path of the signal light
A projection lens without converging light equivalent to light
Device configuration that emits by diverging by such means
Is disclosed. [0007] SUMMARY OF THE INVENTION However, the above
In the prior art such as this, the transmission is large enough to be practical.
To cause a change in index or refractive index (light response)
Require very high optical power or
Response is slow or photoresponsive material has poor durability
Is not yet available for practical use.
It is the current situation. The present applicant has solved the above-mentioned problems of the prior art.
Large enough with the lowest possible optical power and
To extract speed optical response from optical responsive optical element
Patent for light control method and light control device
25618, 8-151133, 8-239314)
And patent on photoresponsive material (Japanese Patent Application No. 7-5841)
3, 7-58414). [0009] The present invention solves the above-mentioned problems and improves the optical response.
Light control method and light for obtaining a reproducible size
It is an object to provide a control device. [0010] [MEANS FOR SOLVING THE PROBLEMS] To achieve the above object
The light control method according to the first aspect of the present invention
The optical element is sensitive to the optical element made of the responsive composition.
The control light of the desired wavelength, and a wavelength band different from the control light.
Reversibly increase the transmission and / or refractive index of signal light at
The signal transmitted through the optical element by changing
Light control for light intensity modulation and / or flux density modulation
In the method, the control light and the signal light converge respectively.
To irradiate the optical element, and the control light and
The highest photon density in the vicinity of each focus of the signal light
So that the regions overlap each other in the optical element
And the optical paths of the control light and the signal light are arranged respectively.
Light control method, further, the optical element, the following
Peri-fused polycyclic ring represented by any one of formulas [1] to [8]
Photoresponsive set containing at least one aromatic compound
It is characterized by being composed of a product. [0011] Embedded image (In the formula [1], R^N1And R^N2Is hydrogen
Atom, hydroxyl group, amino group, substituted amino group, group IV element
It is derived from the compound of (C, Si, Ge, Sn, Pb)
Represents a monovalent substituent, R^C1Or R^C4Are the hydrogen sources
Of group IV element (C, Si, Ge, Sn, Pb)
Compound of group V element (N, P, As, Sb, Bi)
Compound of group VI element (O, S, Se, Te, Po)
Or a Group VII element (F, Cl, Br, I)
Represents a monovalent substituent derived from the above, and these substituents are
And two adjacent substituents are different from each other.
This includes the case where they combine to form a ring. ) Embedded image (In the formula [2], Z¹And Z^TwoAre two
Represents a residue bonded to a nitrogen atom to form a fused heterocyclic ring,
Including the case where these residues have a substituent,^C5Not
R^C8Is R in formula [1].^C1Or R^C4Synonymous with
You. ) Embedded image (In the formula [3], Z^ThreeAnd Z^FourIs the formula
Z in [2]¹Or Z^TwoIs synonymous with^C9Not
R^C12Is R in formula [1].^C1Or R^C4Synonymous with
You. ) Embedded image (In the formula [4], R^N3And R^N4Is the formula
R in [1]^N1Or R^N2Is synonymous with^C13What
Chair R^C20Is R in formula [1].^C1Or R^C4Synonymous with
It is. ) Embedded image (In the formula [5], Z^FiveAnd Z⁶Is the formula
Z in [2]¹Or Z^TwoIs synonymous with^C21Absent
R^C28Is R in formula [1].^C1Or R^C4Synonymous with
is there. ) Embedded image (In the formula [6], Z⁷And Z⁸Is the formula
Z in [2]¹Or Z^TwoIs synonymous with^C29Absent
R^C36Is R in formula [1].^C1Or R^C4Synonymous with
is there. ) Embedded image (In the formula [7], Z⁹Is the Z in equation [2].¹Ma
Or Z^TwoIs synonymous with^N5Is R in formula [1].^N1
Or R^N2Is synonymous with^C37Or R^C40Is the expression
R in [1]^C1Or R^C4Is synonymous with ) Embedded image(In the formula [8], Z^TenIs the Z in equation [2].¹
Or Z^TwoIs synonymous with^N6Is R in formula [1].
^N1Or synonymous with RN2,^C41Or R^C48Is the expression
R in [1]^C1Or R^C4Is synonymous with ) In the above formulas [1] to [8], a group IV element
It is derived from the compound of (C, Si, Ge, Sn, Pb)
Monovalent substituent (R^N1Or R^N6, R^C1Or R^{C4 8})of
Specific examples include, for example, a methyl group, an ethyl group, a propyl group,
Isopropyl group, cyclopropyl group, n-butyl group, s
ec-butyl group, tert-butyl group, n-pentyl
Group, cyclopentyl group, neopentyl group, cyclohexyl
Group, n-hexyl group, n-heptyl group, n-octyl
Group, isooctyl group, n-nonyl group, n-decyl group, n
-Undecyl group, n-dodecyl group, n-octadecyl
Group, vinyl group, 2-propenyl group, benzyl group, phenyl
Group, biphenyl group, naphthyl group, anthryl group, 2,
4-dimethoxyphenyl group, pyridyl group, methoxy group,
Ethoxy, n-butoxy, n-pentoxy, n-
Hexyloxy group, n-heptoxy group, n-octylo
Xy group, n-nonyloxy group, n-decyloxy group, n
-Undecyloxy group, n-dodecyloxy group, n-o
Kutadecyloxy group, benzyloxy group, phenoxy
Group, acetyl group, methoxycarbonyl group, benzoyl
Group, carboxyl group (-COOH), carbamoyl group
(-CONH_Two), Cyano, trimethylsilyl, di
Methylphenylsilyl group, trimethylsiloxy group, tri
Methylgermyl group, methyldiphenylgermyl group, tri
Methyl tin group, triethyl lead group, etc., and aromatic hydrocarbons
Or a monovalent group derived from a heterocyclic compound.
Of these, carboxyl groups form metal salts
And may form a complex with another metal salt. In the above formulas [1] to [8],
Derived from compounds of Group V elements (N, P, As, Sb, Bi)
The monovalent substituent (R^C1Or R^C48)
For example, amino group, methylamino group, ethylamino group,
Propylamino group, butylamino group, benzylamino
Group, phenylamino group, 4-phenylazophenylamido
Group, dimethylamino group, diethylamino group, methyl group
Ropylamino group, diphenylamino group, dibenzylamido
Group, ethylphenylamino group, 4- (dimethylamino
No) butyl group, 6- (diethylamino) hexyloxy
Group, acetylamino group, benzoylamino group, N-methyl
Ruacetylamino group, cyclohexylamino group, p-to
Ruenesulfonylamino group, benzenesulfonylamino
Group, pyridyl group, piperidino group, piperidyl group, morpho
Lino group, diphenylphosphinyl group, diphenylal
Shinyl group, diphenyl stivinyl group, diphenyl bismuth
And a thynyl group. Of these, substituted and unsubstituted
May form a salt with an acid. In the above equations [1] to [8],
From compounds of Group VI elements (O, S, Se, Te, Po)
The derived monovalent substituent (R^C1Or R^C48)
Is, for example, a hydroxyl group (hydroxy group), a methoxy group,
Toxic group, n-butoxy group, n-pentoxy group, n-he
Xyloxy group, n-heptoxy group, n-octyloxy
Group, n-nonyloxy group, n-decyloxy group, n-
Undecyloxy group, n-dodecyloxy group, n-oct
Tadecyloxy group, benzyloxy group, phenoxy group,
Mercapto group, methylthio group, ethylthio group, phenyl
Thio, benzylthio, 2-furyl, 2-thiophene
Nyl group, 2-selenophenyl group, 2-tellurophenyl
Group, benzylsulfinyl group (C₆H_FiveCH_TwoSO-),
Phenylsulfonyl group (C₆H_FiveSO_Two−), Sulfe
Acid group (-SOH), sulfinic acid group (-SO_TwoH),
Sulfonic acid group (-SO_ThreeH), selenonic acid group (-SeO_Three
H). Of these, phenolic hydroxyl groups and
Acid residues may form metal salts,
A complex may be formed with the genus salt. The acid residue is an amine
Salts or ammonium salts may be formed. The above formulas [1], [4], [7] or
In [8], the monovalent substituent R^N1Or R^N6Is replaced
In the case of a amino group, specific examples thereof include, for example, methylamino
Group, ethylamino group, propylamino group, butylamino
Group, benzylamino group, phenylamino group, 4-phenyl
Luazophenylamino group, dimethylamino group, diethyl
Amino group, methylpropylamino group, diphenylamino
Group, dibenzylamino group, ethylphenylamino group,
Cetylamino group, benzoylamino group, N-methylacetate
Tylamino group, cyclohexylamino group, p-toluene
Sulfonylamino group, benzenesulfonylamino group,
What is it? The above formulas [2], [3], [5] or
In [8], the residue Z¹Or Z^TenAre two
Fused heterocyclic partial structure formed by bonding with elemental atoms (Moie
Examples of T) include, for example, imidazole ring, imidazo
Phosphorus (dihydroimidazole) ring, benzimidazole
Ring, pyrimidine ring, tetrahydropyrimidine ring, perimi
Gin ring, and the like. In order to achieve the above object, the present invention
The light control method according to the invention according to claim 2 is the light control method according to claim 1.
In the light control method, the control light and the signal light
It is essential that the light propagates in substantially the same optical path in the optical element.
And features. In order to achieve the above object, the present invention
The light control method according to the invention according to claim 3 is based on claim 1 or
3. The light control method according to 2, wherein the light is transmitted through the optical element.
Later, the intensity modulation and the
And / or signal light in a region that has been strongly subjected to flux density modulation
It is characterized in that the bundle of rays is separated and taken out. In this case, usually, the central portion of the signal light beam bundle
Are particularly susceptible to modulation, so the diverging signal light
When using a light receiving lens to converge, the signal light beam
It is preferable to align the central axis of the light receiving lens with the central axis of the bundle.
Suitable. In order to achieve the above object, the present invention
The light control method according to the invention according to claim 4 is the method according to claim 1 or
3. The light control method according to 2, wherein the light is transmitted through the optical element.
Thereafter, the diverging signal light beam bundle is referred to as the signal light beam bundle.
Take out in an angle range (opening angle) smaller than the divergence angle
The intensity modulation and / or the flux density modulation
To separate and extract the signal light flux in the
And features. In order to achieve the above object, the present invention
The light control method according to the invention as set forth in claim 5 provides the light control method according to claims 1 to 4.
In the light control method according to any one of the above,
And the respective focal positions of the signal light and the optical element.
By changing the positional relationship, the irradiation of the control light
Therefore, the apparent appearance of the signal light transmitted through the optical element is
An optical response in a direction in which the intensity decreases, and an apparent response of the signal light.
Select either one of
It is characterized by the fact that In order to achieve the above object, the present invention
The light control method according to the invention as set forth in claim 6 provides the light control method according to claims 1 to 5
In the light control method according to any one of the above,
The composition is a liquid, and the liquid photoresponsive composition is filled with the composition.
Using the filled optical cell as the optical element.
And In order to achieve the above object, the present invention
The light control method according to the invention described in claim 7 is the light control method according to claim 6.
A light control method, wherein the liquid photoresponsive composition is volatile
It is characterized by containing a solvent. In order to achieve the above object, the present invention
The light control device according to the invention as set forth in claim 8, wherein the light-responsive composition is
The optical element consisting of
Signal light that irradiates control light and is in a different wavelength band from the control light
Reversibly increase or decrease the transmittance and / or refractive index of
And intensity modulation of the signal light transmitted through the optical element.
And / or light control method for performing light flux density modulation.
The control light and the signal light
Convergence means for converging each, and the converged control
The photon density near the focal point of each of the light and the signal light is
The control light and the control light are arranged so that the highest areas overlap each other.
And an optical path for the signal light, and
The optical element is configured to control the converged control light and the signal light.
The regions with the highest photon density near each focal point overlap each other.
Arranged at the same position, and the optical element further comprises:
Containing at least one of the formulas [1] to [8]
It is characterized by comprising a responsive composition. In order to achieve the above object, the present invention
The light control device according to claim 9 is the light control device according to claim 8.
In the light control device, further, the control light and the signal
Light propagates in substantially the same optical path in the optical element
It is characterized by having such an optical path arrangement. In order to achieve the above object, the present invention
The light control device according to the invention as set forth in claim 10 is claim 8 or
10. The light control device according to 9, wherein the light is transmitted through the optical element.
After that, of the divergent signal light beam bundle, the intensity modulation
And / or signal light in a region that has been strongly subjected to light flux density modulation
Characterized by having means for separating and extracting the light beam
You. In order to achieve the above object, the present invention
The light control device according to the invention described in claim 11 is the light control device according to claim 10.
In the light control device described above, the intensity modulation and / or
The signal light flux in the area that has been strongly subjected to flux density modulation is separated
As a means for extracting the signal light to the optical element.
Than the numerical aperture of the convergence means used to bundle and enter
It is characterized in that converging means with a small numerical aperture is used. In order to achieve the above object, the present invention
The light control device according to claim 12 is the light control device according to claim 10.
In the light control device described above, the intensity modulation and / or
The signal light flux in the area that has been strongly subjected to flux density modulation is separated
Using an aperture as a means for taking out
You. In order to achieve the above object, the present invention
The light control device according to the invention according to claim 13 is characterized in that:
13. The light control device according to claim 12, wherein the control light
And the respective focal positions of the signal light and the optical element
Moving means for changing the positional relationship with the moving hand,
By using a stage, the control light and the signal light
Change the positional relationship between each of the focal positions and the optical element.
By irradiating the control light, the light
Apparent intensity of the signal light transmitted through the optical element decreases
The optical response in the direction and the apparent intensity of the signal light increase
It is special to select and take out one of
Sign. In order to achieve the above object, the present invention
The light control device according to the invention according to claim 14 is characterized in that:
13. The light control device according to claim 13, wherein the optical element
The mixed light of the signal light and the control light transmitted through the
It is characterized by having a means for separating the light into control light. In order to achieve the above object, the present invention
The light control device according to the invention according to claim 15 is characterized in that:
14. The light control device according to claim 14, wherein the light response
The reactive composition is a liquid, and the liquid photoresponsive composition
Using an optical cell filled with an object as the optical element
It is characterized by. In order to achieve the above object, the present invention
The light control device according to claim 16 is the light control device according to claim 15.
In the light control device described above, the liquid photoresponsive composition is volatile.
It is characterized by containing a promising solvent. In order to achieve the above object, the present invention
The light control device according to the invention as set forth in claim 17 is characterized in that:
16. The light control device according to claim 16, wherein the control light
And the converging means for converging the signal light, and
And / or through the photoresponsive composition in the optical element.
After passing through, the intensity of the diverging signal light flux
Modulation and / or flux density modulation
Means for separating and extracting the light beam, and / or
The signal transmitted through the photoresponsive composition in the optical element
Separates mixed light of control light and signal light into signal light and control light
Means having a structure incorporated in the optical element
It is characterized by. [Photoresponsive composition, wavelength band of signal light,
And wavelength band of control light] Light control method of the present invention
Composition, signal light wavelength band,
And the wavelength band of the control light, as a combination of these,
Select and use an appropriate combination according to the purpose of use
Can be. As a specific setting procedure, for example,
The wavelength or wavelength band of the signal light according to the purpose of use.
Photo-responsive composition and control to determine and control this
A combination of light wavelengths may be selected. Or use
Determine the combination of signal light and control light wavelengths according to purpose
And then select a photoresponsive composition suitable for this combination.
It should be set. A set of photoresponsive compositions used in the present invention
And transmitted through an optical element comprising the photoresponsive composition.
Regarding the optical path length of the signal light and control light to be seeded,
Control light transmitted through the optical element and
It can be set based on the transmittance of the signal light. An example
For example, first, among the compositions of the photoresponsive composition, at least
Determine the concentration of the component that absorbs control light or signal light,
Next, transmission of control light and signal light transmitted through the optical element
Signal light and light propagating through the optical element so that the ratio becomes a specific value.
And the optical path length of the control light can be set. Or
First, specify the optical path length, for example, as necessary for equipment design
Control light and signal transmitted through the optical element
A set of photo-responsive compositions so that the transmittance of signal light is a specific value
Can be adjusted. In the present invention, the lowest possible optical power is sufficient.
Optical response of large size and speed from optical responsive optical element
Provided is a light control method and a light control device that can be extracted.
To achieve this goal.
Suitable transmittance of control light and signal light transmitted through the optical element
Are as follows. With the light control method and light control device of the present invention,
Means that the transmittance of the control light propagating through the optical element is at most 90
% Of the photo-absorbing component in the photo-responsive composition
It is recommended to control the presence state and set the optical path length
Is done. Here, the signal light is transmitted by the control light irradiation.
If you are trying to take advantage of the light response in the direction of decreasing
Propagating through the optical element without control light irradiation
The optical response is such that the signal light transmittance is at least 10% or more.
Control of concentration and presence of light absorbing components in responsive composition
It is recommended to set the optical path length. [Peri-fused polycyclic aromatic compound]
The optical element to be used is represented by the above formulas [1] to [8].
Peri-fused polycyclic aromatic compounds in matrix material
It consists of a photoresponsive composition dissolved or dispersed in water. What
In addition, “peri” means 1, having a naphthalene skeleton.
It means the 8-position (or the 4,5-position). The pen represented by the above formulas [1] to [8]
Recondensed polycyclic aromatic compounds include dyes, fluorescent dyes, organic
With a luminescent dye or an organic photoconductive material
A known material can be used. Specific examples of peri-condensed polycyclic aromatic compounds are
Examples are shown in FIGS. 1 to 30 as equations. That is, the expression
Peri-condensed polycyclic aromatic compound represented by [1] (naphthale
1,4,5,8-tetracarboxylic diimide derivative
FIGS. 1 and 2 show specific examples of the compound represented by the formula [2].
Re-condensed polycyclic aromatic compound (cis-perinone compound)
FIGS. 3 to 6 show specific examples of the peri contraction represented by the formula [3].
Polycyclic aromatic compounds (trans-perinone compounds)
FIGS. 7 to 10 show specific examples of the perimeter represented by the formula [4].
Condensed polycyclic aromatic compounds (perylene-3,4,9,10-
FIG. 11 shows a specific example of the tetracarboxylic diimide derivative).
Peri-fused polycyclic aromatization represented by formula [5]
20 to 23 show specific examples of the compound represented by the formula [6].
Examples of the peri-fused polycyclic aromatic compound shown in FIGS.
7, the peri-fused polycyclic aromatic compound represented by the formula [7]
FIG. 28 shows a specific example of the peri-fused polycyclic compound represented by the formula [8].
Specific examples of aromatic compounds are shown in FIGS. 29 and 30 as chemical formulas.
To illustrate. In the present invention, these peri-fused polycyclic aromatic
Use the compounds alone or as a mixture of two or more
Can be [Photoresponsive Composition] In the present invention, the photoresponsive composition
As a responsive composition, in the operating temperature range,
Or rubbery state and liquid state
Can be used. The photoresponsive composition used in the present invention
Is workable within a range that does not interfere with its function.
And improve stability and durability as an optical element.
Known antioxidants and ultraviolet rays as sub-components
Contains absorbent, singlet oxygen quencher, dispersion aid, etc.
You may. [Solid state, glassy state or rubber state
Responsive composition] In the present invention, a solid, glassy state or rubber
As the photoresponsive composition in a state, the above-mentioned peri-condensed polycyclic aromatic
Group compounds in solid, glassy or rubbery matrices
That are dissolved or dispersed in
it can. Solid, glass usable in the present invention
The matrix material in the state of rubber or rubber is (1)
High transmittance in the wavelength range of light used in bright light control systems
(2) Peri-fused polycyclic aromatic used in the present invention
That the compound can be dissolved or dispersed with good stability; (3)
It can maintain the form as an optical element with good stability.
Anything that satisfies the condition
Can be used. As an inorganic matrix material, for example,
For example, low-melting glass materials created by the so-called sol-gel method
Etc. can be used. As an organic matrix material,
Can use various organic polymer materials. So
Specific examples of polystyrene and poly (α-methyls
Tylene, polyindene, poly (4-methyl-1-pen)
Ten), polyvinyl pyridine, polyvinyl formal,
Polyvinyl acetal, polyvinyl butyral, poly vinegar
Acid vinyl, polyvinyl alcohol, polyvinyl chloride,
Polyvinylidene chloride, polyvinyl methyl ether, polyvinyl
Nyl ethyl ether, polyvinyl benzyl ether,
Rivinyl methyl ketone, poly (N-vinyl carbazo
), Poly (N-vinylpyrrolidone), polyacrylic acid
Methyl, polyethyl acrylate, polyacrylic acid, poly
Acrylonitrile, polymethyl methacrylate, polymeth
Ethyl acrylate, polybutyl methacrylate, polymethacrylate
Benzyl acrylate, polycyclohexyl methacrylate,
Limethacrylic acid, polymethacrylamide, polymethac
Rilonitrile, polyacetaldehyde, polychloral
, Polyethylene oxide, polypropylene oxide,
Polyethylene terephthalate, polybutylene terephthale
And polycarbonates (bisphenols + charcoal
Acid), poly (diethylene glycol / bisallyl carb)
Nate), 6-nylon, 6,6-nylon, 12-
Nylon, 6,12-nylon, polyaspartic acid
Chill, polyethyl glutamate, polylysine, polypro
Phosphorus, poly (γ-benzyl-L-glutamate), methyl
Cellulose, ethylcellulose, benzyl cellulose
, Hydroxyethylcellulose, hydroxypropyl
Cellulose, acetylcellulose, cellulose triace
Tate, cellulose tributyrate, alkyd resin (no
Water phthalic acid + glycerin), fatty acid-modified alkyd resin
(Fatty acid + phthalic anhydride + glycerin), unsaturated polyether
Stell resin (maleic anhydride + phthalic anhydride + propylene)
Glycol), epoxy resin (bisphenols + d)
Picrohydrin), polyurethane resin, phenol tree
Fat, urea resin, melamine resin, xylene resin, toluene
Resin, resin such as guanamine resin, poly (phenylmethyl
Organic polysilanes such as
And copolymers / copolycondensates thereof. Also,
Carbon disulfide, carbon tetrafluoride, ethylbenzene, perful
Orobenzene, perfluorocyclohexane or tri
Normally non-polymerizable compounds such as methylchlorosilane
Use of polymer compounds obtained by plasma polymerization
Can be. Further, these organic polymer compounds are added
Residues of the recondensed polycyclic aromatic compound are combined with the side chains of the monomer units.
Or as a crosslinking group, as a copolymerized monomer unit
Or as a polymerization initiator
It can also be used as a box material. In these matrix materials, polycondensation
Known methods for dissolving or dispersing ring aromatic compounds
Can be used. For example, peri-fused polycyclic aromatization
Compound and matrix material dissolved in common solvent and mixed
After removing the solvent by evaporation, the sol-gel method
Peri-condensation of raw material solution of inorganic matrix material to be manufactured
After dissolving or dispersing the polycyclic aromatic compound,
For forming matrix material, organic polymer matrix material
Peri-condensation into the monomer
After dissolving or dispersing the polycyclic aromatic compound,
Polymerization or polycondensation of polymer to form matrix material
Method, peri-condensed polycyclic aromatic compound and organic polymer
A solution of the matrix material in a common solvent
Condensed polycyclic aromatic compounds and thermoplastic organic polymers
Trix material dripped into the insoluble solvent, resulting in
Filtration of the precipitate, drying, heating and melt processing
Chemical vapor deposition, sputtering, etc.
be able to. Generally, the combination of dye and matrix material
By devising alignment and processing methods, the dye molecules
And collectively referred to as “H aggregates” or “J aggregates”.
It is known that special aggregates can be formed.
But peri-condensed polycyclic aromatic compounds in the matrix material
Form molecules in such an aggregated or aggregated state
You may use it on condition. [Liquid Photoresponsive Composition] In the present invention, the liquid
The peri-condensed polycyclic aromatic compound as the photo-responsive composition
Dissolve or dissolve the compound in the liquid matrix material
It is possible to use those dispersed in an id. Liquid matrices usable in the present invention
The material of the material is (1) operating temperature and / or pressure range
(2) In the light control method of the present invention,
High transmittance in the wavelength range of the light used (3)
Stable peri-condensed polycyclic aromatic compounds used in the invention
Dissolving or colloidally dispersing well, (4)
The composition as a responsive composition can be kept with good stability
Anything that satisfies the condition
Can be used. As the inorganic liquid matrix material,
For example, water, water glass (concentrated aqueous solution of alkali silicate
Liquid), aqueous ammonia, aqueous sodium hydroxide, hydroxylation
Potassium aqueous solution, hydrochloric acid, sulfuric acid, nitric acid, aqua regia, chlorsul
Honic acid, methanesulfonic acid, trifluoromethanesulfo
Acids, polyphosphoric acids and the like can be used. Further, an organic liquid matrix material may be used.
Various organic solvents and liquid organic polymer materials
Can be used. As the volatile organic solvent, specifically,
Methanol, ethanol, isopropyl alcohol, n
-Butanol, amyl alcohol, cyclohexanol
Alcohols such as benzyl and benzyl alcohol, ethylene
Glycol, diethylene glycol, glycerin, etc.
Polyhydric alcohols, ethyl acetate, n-butyl acetate, acetic acid
Esters such as amyl and isopropyl acetate, aceto
, Methyl ethyl ketone, methyl isobutyl ketone,
Ketones such as clohexanone, diethyl ether,
Butyl ether, methoxyethanol, ethoxyethanol
Ethers, butoxyethanol and carbitol
, Tetrahydrofuran, 1,4-dioxane, 1,
Cyclic ethers such as 3-dioxolane,
Tan, chloroform, carbon tetrachloride, 1,2-dichloroe
Tan, 1,1,2-trichloroethane, tricrene, butyl
Lomoform, dibromomethane, diiodomethane, etc.
Halogenated hydrocarbons, benzene, toluene, xylene
Chlorobenzene, o-dichlorobenzene, nitrobene
Fragrance such as benzene, anisole, α-chloronaphthalene
Group hydrocarbons, n-pentane, n-hexane, n-heptane
Aliphatic hydrocarbons such as tan and cyclohexane, N, N
-Dimethylformamide, N, N-dimethylacetamide
And amides such as hexamethylphosphoric triamide
, Cyclic amides such as N-methylpyrrolidone, tetra
Methyl urea, 1,3-dimethyl-2-imidazolidinone
Urea derivatives such as dimethyl sulfoxide
Carbonates such as phoxides, ethylene carbonate and propylene carbonate
Esters, acetonitrile, propionitrile, ben
Nitriles such as zonitrile, pyridine, quinoline, etc.
Of nitrogen-containing heterocyclic compounds, triethylamine, trieta
Nolamine, diethylamino alcohol, aniline
Which amines, chloroacetic acid, trichloroacetic acid, trifur
Organic acids such as oroacetic acid and acetic acid, as well as nitromethane and disulfide
Solvents such as carbon fluoride and sulfolane can be used. These solvents may be of a plurality of types.
May be used in combination. Peripheries are introduced into these liquid matrix materials.
Dissolve or colloidally disperse condensed polycyclic aromatic compounds
A known method can be used. For example, peri contraction
For dissolving polycyclic aromatic compounds in organic solvents or water glass
Method, Peri-condensed polycyclic aromatic compound and non-volatile liquid mat
Rix materials were dissolved and mixed in a common volatile solvent
After, the solvent is removed by evaporation, liquid organic polymer
Into the raw material monomer of the base matrix material, if necessary
Dissolve peri-condensed polycyclic aromatic compound using solvent or
Polymerization or polycondensation of the monomer after colloidal dispersion
To form a liquid matrix material
Liquid matrix material using ultrafine particles of polycyclic aromatic compound
Method, chemical vapor deposition, sputtering
Ultra-high-pressure gas produced by gas-phase methods such as
The fine particles are dispersed in a liquid matrix using a dispersant if necessary.
It is preferable to use a method of trapping in
it can. Generally, a combination of a dye and a liquid matrix material
By devising alignment and processing methods, the dye molecules
And collectively referred to as “H aggregates” or “J aggregates”.
It is known that special aggregates can be formed.
But peri-fused polycyclic aromatics in liquid matrix materials
Compound molecules are formed in such an aggregated or aggregated state.
You may use it on the conditions which form. [Optical element] In the present invention, a solid or glass
The photo-responsive composition in the rubber state or rubber state has a suitable form
Processed into an optical element. At that time, optical glass
Combined with optical materials such as glass, quartz glass and organic glass
You may use it. The form of the optical element used in the present invention is
Depending on the configuration of the light control device of the invention, thin film, thick film, plate shape,
Block, column, semi-column, square, triangle,
Convex lens shape, concave lens shape, micro lens array shape,
Fiber, microchannel array, and light guide
It can be appropriately selected from a waveguide type or the like. The present invention
The method of making the optical element used in
Arbitrarily selected according to the type of photoresponsive composition used
A known method can be used. For example, a thin-film optical element may be a solid
Manufactured from a photoresponsive composition in the glassy or rubbery state
, Peri-fused polycyclic aromatic compounds and solids, glass
Solution of matrix or rubbery matrix material
For example, on a glass plate by coating method, blade coating method,
Coating method, spin coating method, dipping method, spraying
Coating method, such as lithography,
Printing by printing method such as plate, intaglio, stencil, screen, transfer
Just do it. In this case, the inorganic matrix by the sol-gel method
It is also possible to use a method of making a box material. For example, the organic polymer matrix used
When the material is thermoplastic, a hot press method (Japanese Unexamined Patent Publication No.
9609) or a thin film or thick film
Can be produced. Plate, block, column, semi-column, four
Prismatic, triangular, convex lens, concave lens, micro
When creating a lens array-shaped optical element, for example,
Condensation to raw material monomer of organic polymer matrix material
Using dissolved or dispersed polycyclic aromatic compounds
Casting method and reaction injection
It can be formed by a molding method. Also thermoplastic
When using organic polymer matrix materials, peri condensation
Pellets in which polycyclic aromatic compounds are dissolved or dispersed or
The powder can be melted by heating and then processed by injection molding.
No. The fiber-shaped optical element is, for example,
Organic polymer matrix material in a capillary tube
Dissolve peri-condensed polycyclic aromatic compound in
Pour the dispersed material or absorb by capillary action.
Method of polymerizing the polymer or peri-condensed polycyclic
Thermoplastic organic compound with dissolved or dispersed aromatic compound
Columns of molecular matrix material, so-called preforms
Is heated to a temperature higher than the glass transition temperature and drawn into a thread
Then, it can be created by a cooling method or the like. The fibrous form prepared as described above
After bundling a number of optical elements and bonding or fusing them,
Micro-channels are obtained by slicing
A tunnel array type optical element can also be produced. A waveguide type optical element is formed, for example, on a substrate.
Raw material of organic polymer matrix material in the created groove
Dissolve or disperse peri-condensed polycyclic aromatic compound in monomer
A method of pouring and then polymerizing, or
The thin film optical element formed on the substrate is etched and
A) pattern, followed by peri-condensed polycyclic aromatization
Forming "cladding" with matrix material without compound
Can be created by any method. In the present invention, the control light and the signal light
Converging means for converging light and / or the light
After passing through the photoresponsive composition in the element,
The intensity modulation and / or
The signal light flux in the area that has been strongly subjected to flux density modulation is separated
And / or in the optical element
Mixing of signal light and control light transmitted through the photoresponsive composition
Means for separating light into signal light and control light, the optical element
Can be used with an integrated optical element
You. [Optical Cell] In the present invention, the optical response
When the reactive composition is a liquid, the liquid photoresponsive composition is filled.
The obtained optical cell is used as the optical element. The optical cell used in the present invention is a liquid light cell.
Function for holding responsive composition, and liquid photoresponsive group
Has the function of effectively giving the form to the product, and furthermore converges
Receiving the signal light and the control light to be irradiated
Propagating the signal light and the control light to a responsive composition
Function, and divergence after passing through the photoresponsive composition
Has the function of propagating and emitting the signal light
Things. The form of the optical cell used in the present invention is external.
It is roughly divided into a form and an internal form. The external form of the optical cell is the light control device of the present invention.
Plate, rectangular parallelepiped, cylindrical, semi-cylindrical, depending on the configuration
Shape, square pole, triangle pole, etc.
You. The internal configuration of the optical cell is,
It is in the form of a cavity for filling the responsive composition,
It effectively imparts a form to the photoresponsive composition.
You. Depending on the configuration of the light control device of the present invention,
The part form is, for example, a thin film, a thick film, a plate,
Body shape, cylindrical shape, semi-cylindrical shape, square pillar shape, triangular pillar shape, convex lens
Shape, concave lens shape, etc.
Wear. The structure and material of the optical cell are as follows.
Anything can be used as long as it satisfies
You. (1) External form and internal form as described above
That the condition can be maintained precisely under the conditions of use. (2) Inactive to photoresponsive composition
That. (3) Various components constituting the photoresponsive composition
Able to prevent composition change due to radiation, permeation, and permeation. (4) When the photoresponsive composition uses oxygen, water, or the like,
Deteriorates by reacting with compounds present in the working environment.
Things that can be prevented. Of the above requirements, the photoresponsive composition
The function to prevent composition change and deterioration is provided as an optical element.
It is only necessary to be able to demonstrate it within the range of the total life. [0078] BRIEF DESCRIPTION OF THE DRAWINGS FIG.
The form will be described. [Embodiment 1] FIG. 31 shows the light of this embodiment.
The schematic configuration of the control device is shown. Such an optical device
The configuration and arrangement are as shown in FIG.
In addition to the case where the element 8 is used, a fiber type optical element
), An optical waveguide type (not shown), a microphone
Uses optical elements such as low-channel array type (not shown)
And light filled with a liquid photoresponsive composition
It is also suitably used when using a scientific cell (see Embodiment 3).
Can be Here, the film type optical element 8 is, for example,
Can be created in order. That is, the following equation [9]
Peri-condensed polycyclic aromatic compound represented by
(2,5-di-tert-butylphenyl) anthra
[2,1,9-def: 6,5,10-d'e'f ']
Diisoquinoline-1,3,8,10-tetraone) Embedded image : 13.00 mg and polybenzyl methacrylate: 1
987.0 mg dissolved in tetrahydrofuran: 200 ml
Dissolve and add to 1000ml of water while stirring to precipitate
Precipitate (peri-fused polycyclic aromatic compound [9] and poly
Mixture), washed with water and dried under reduced pressure
And crushed. Peri-fused polycyclic aromatic compound obtained
[9] and mixed powder of polymer into 10^-FiveLess than Pa
Continue heating at 40 ° C under high vacuum for 2 days to remove residual solvent
Complete removal of the emissive component to obtain a photoresponsive composition powder
Was. 20 mg of this powder was placed on a slide glass (25 mm × 7
6 mm x thickness 1.150 mm) and cover glass (1
8mm x 18mm x 0.150mm thickness)
Heating to 150 ° C under vacuum and crimping two glass plates
Glass / camera using the vacuum hot press method
Peri-condensed polycyclic aromatic compound [9] / poly between bar glasses
A mer film (film thickness 50 μm) was prepared. In addition, peri condensation
Polycyclic aromatic compound [9] / Peri-condensed polycyclic in polymer film
The concentration of the aromatic compound [9] is determined by the peri-fused polycyclic aromatic
[9] Assuming that the density of the compound / polymer mixture is 1.18
When calculated, 1.00 × 10^-2 mol / l. The film type optical element prepared as described above
FIG. 45 shows the transmittance spectrum. The transmittance of this membrane is controlled
1.8% at the wavelength of control light (514.5 nm), wave of signal light
The length (780 nm) was 93%. The light control device of the present invention whose outline is illustrated in FIG.
The light source is a control light source 1, a signal light source 2, and an ND filter.
-3, shutter 4, semi-transmissive mirror 5, optical mixer 6,
Lens 7, film type optical element 8, light receiving lens 9, wavelength selective transmission
Filter 20, aperture 19, photodetectors 11 and 22,
And an oscilloscope 100. these
Light source 1 for control light, signal among optical elements or optical components
Light source 2, light mixer 6, condenser lens 7, film type optical element
8, light receiving lens 9, and wavelength selective transmission filter 2
0 implements the light control method of the present invention with the apparatus configuration of FIG.
It is an essential component of the device for In addition, ND fill
The shutter 3, the shutter 4, the transflective mirror 5, and the diaphragm 19
It is provided as needed, and the photodetector 11 and
And 22, and the oscilloscope 100
It is not necessary to implement the control method, but the light control operation
Used as necessary as an electronic device for confirmation
You. Next, the features and operations of the individual components will be described.
Will be described. A laser device is preferably used as the control light source 1.
Used. Its oscillation wavelength and output are controlled by the optical control of the present invention.
Wavelength of the signal light and the optical response used by the control method
Is appropriately selected according to the response characteristics of the hydrophilic composition. laser
There is no particular limitation on the type of oscillation.
Use any type according to output, economy, etc.
Can be. In addition, the light from the laser light source is
The wavelength may be converted by a chemical element before use. Concrete
Specifically, for example, an argon gas laser (oscillation wavelength 45
7.9 to 514.5 nm), helium-neon-ray
Gas laser such as laser (633nm), ruby laser
Lasers and dyes such as solid and Nd: YAG lasers
Laser, semiconductor laser, etc.
Wear. The signal light source 2 has a coherence from a laser light source.
Not only coherent light but also non-coherent light
it can. Also, laser devices, light emitting diodes, neon
In addition to a light source that provides monochromatic light, such as a discharge tube,
From bulbs, metal halide lamps, xenon discharge tubes, etc.
Continuous spectrum light with optical filter and monochromator
The wavelength may be selected and used. Light Responsiveness Used in Light Control Method of the Present Invention
Composition, signal light wavelength band, and control light wavelength band
Are appropriate as a combination of these depending on the purpose of use.
Combinations are selected and used. Below, the signal light
As a light source 2, a semiconductor laser (oscillation wavelength 780 nm,
Gau with a continuous oscillation output of 6 mW and a diameter of about 8 mm after beam shaping
Beam), an argon gas laser as the control light source 1
ー (Gasby with an oscillation wavelength of 514.5 nm and a diameter of 1 mm
Film type optical element comprising the above-mentioned photoresponsive composition
The embodiment will be described in the case where a combination of the child 8 is used.
I do. The ND filter 3 is not always necessary
However, the optical components and optical elements that make up the device are unnecessarily high.
To prevent laser light of high power from being incident.
In addition, the optical response performance of the optical element used in the present invention was tested.
This is useful for increasing or decreasing the light intensity of the control light.
You. In this embodiment, several types of ND files are used for the latter purpose.
Used after replacing the heater. The shutter 4 operates as a continuous oscillation laser as control light.
When a laser is used, it blinks in a pulse
For implementing the light control method of the present invention.
It is not an indispensable component of the device. That is, control
The light source 1 is a pulsed laser, and its pulse
When the light source is of a type that can control the pulse width and oscillation interval
Or a laser that has been pulse modulated in advance by appropriate means
When using light as the light source 1, the shutter 4 should not be provided.
You don't have to. When the shutter 4 is used, its format and
You can use any
Tickle chopper, mechanical shutter, LCD shutter
Light, Kerr effect shutter, Pockels cell, acousto-optics
(AO) Consider the operation speed of the shutter itself
It can be selected and used at any time. In this embodiment, the semi-transmissive mirror 5
In testing the operation of the light control method of the present invention, the control light
This is used to estimate the light intensity at all times.
The ratio can be set arbitrarily. The photodetectors 11 and 22 are provided with the optical detectors of the present invention.
The state of change in light intensity due to light control is electrically detected and detected.
Test the function of the optical element of the present invention to prove
Used for The type of the photodetectors 11 and 22 is optional.
It is timely selection considering the response speed of the detector itself.
For example, photomultiplier tubes and photo
Use diodes, phototransistors, etc.
Can be. The light receiving signals of the photodetectors 11 and 22 are
In addition to the oscilloscope 100, the AD converter and computer
Monitor by data combination (not shown)
be able to. The light mixer 6 propagates through the optical element.
Used to adjust the optical path of control light and signal light
And implements the light control method and light control device of the present invention.
It is one of the important components of the equipment for the application. Polarization
Beam splitters, non-polarizing beam splitters,
Can use any of the dichroic mirrors.
Also, the light splitting ratio can be set arbitrarily. The condenser lens 7 is used for both signal light and control light.
As a convergence means, the optical paths are adjusted to be the same.
Irradiates the optical element with the converged signal light and control light
The light control method and the light control method of the present invention.
It is one of the essential components of the control system. Focusing
Lens focal length, numerical aperture, F-number, lens configuration, lens
Use any optional specifications for surface coat etc.
can do. In this embodiment, the condenser lens 7 has a magnification of
For microscope with 40x magnification, focal length 5mm, numerical aperture 0.65
An objective lens was used. The light receiving lens 9 is converged to the optical element 8
The illuminated and transmitted signal light and control light are
And / or a means to return to a convergent beam.
As shown in the embodiment, the numerical aperture of the condenser lens 7 is smaller than the numerical aperture.
By using a lens with a small numerical aperture,
Signal light intensity-modulated and / or flux-density-modulated
Can be separated out with good reproducibility. This embodiment
In the state, the light receiving lens 9 has, for example, a magnification of 20 and an aperture.
A microscope lens of number 0.4 was used. That is, the focusing lens
The numerical aperture of the light receiving lens 9 should be smaller than the numerical aperture of the lens 7.
With the above, the intensity modulation and / or
Separates and collects the luminous flux in the area that has been strongly
Signal modulated by a sufficiently large
The signal light can be detected with good reproducibility. Of course,
Even if the numerical aperture of the lens is large, the aperture 19 can be
The central part of the luminous flux into the light source 22 to substantially reduce the numerical aperture
It is needless to say that may be reduced. Also later
As described, instead of the condenser lens 7 and the light receiving lens 9,
It is also possible to use a concave mirror (see Embodiment 4).
See). The wavelength selective transmission filter 20 is the same as that shown in FIG.
Indispensable for implementing the light control method of the present invention in the device configuration
One of the components of the device, the same light in the optical element
From the mixed light of the signal light and the control light
It is used as one of the means to take out only. Separating signal light and control light having different wavelengths
Other means for this include prisms, diffraction gratings,
A Loic mirror or the like can be used. The wavelength selective transmission used in the device configuration of FIG.
The light in the wavelength band of the control light is completely
It blocks all light while efficiently transmitting light in the signal light wavelength band.
Wavelength selective transmission filter that can pass
If so, any known one can be used. example
For example, plastic or glass colored with dyes,
Such as glass with a multi-layer deposited film can be used
You. The light shown in FIG.
The optical beam of the control light emitted from the light source 1
Adjusts the transmitted light intensity by adjusting the transmittance
Pass through the ND filter 3 for
After passing through the shutter 4 for flickering in a pulse,
It is divided by the transmission mirror 5. One of the control lights split by the semi-transmissive mirror 5
The part is received by the photodetector 11. Here, light source 2
Off, light source 1 on, shutter 4 open
The light intensity at the light beam irradiation position on the optical element 8
Measure the relationship between the intensity and the signal intensity of the photodetector 11 in advance
If a calibration curve is created by performing
, The light intensity of the control light incident on the optical element 8 is always estimated
It becomes possible to have. In this embodiment, the ND fill
The pattern of the control light incident on the film type optical element 8 by the
The power was adjusted in the range of 0.5 mW to 25 mW. The control light split and reflected by the semi-transmissive mirror 5 is
Through the optical mixer 6 and the condenser lens 7,
It is converged and irradiated. Control after passing through the film type optical element 8
After the light beam of the light passes through the light receiving lens 9, the wavelength is selected.
Blocked by the transmission filter 20. Light beam of signal light emitted from light source 2
Is transmitted along the same optical path as the control light by the optical mixer 6.
Through the condenser lens 7 to form a film-type optical
The light converged and irradiated on the element 8 and passed through the element
After passing through the filter 9 and the wavelength selective transmission filter 20,
After passing through an aperture 19 provided as necessary, light detection
The light is received by the device 22. Light control of the present invention using the optical device shown in FIG.
Performing the method, the light intensity as shown in FIGS. 32 and 33
A change was observed. 32 and 33, 111
Is the light reception signal of the photodetector 11, and 222 and 223 are the photodetection signals.
This is a light receiving signal of the output unit 22. Light reception signal 2 of photodetector 22
The difference between the case where 22 is obtained and the case where 223 is obtained is as follows.
It is as follows. In the arrangement shown in FIG. 31, the film type optical element is used.
8, the control light and the signal light are converged and incident.
The position (focal point Fc) where the bundle beam diameter becomes minimum is set to the film type optical element.
Set near the condenser lens 7 of the element 8 (on the light incident side)
And the apparent intensity of the signal light transmitted through the optical element 8.
A light response 222 in a decreasing direction is observed. on the other hand,
The position (focal point Fc) where the convergent beam diameter becomes minimum is set to the film type optics.
Set near the light receiving lens 9 of the element 8 (light emission side)
Then, the apparent value of the signal light transmitted through the optical element 8 is
A light response 223 in the direction of increasing intensity is observed. The details of the mechanism by which such a light response occurs are described below.
Is still unclear, and is currently under intensive study.
Light irradiation changes the transmittance and refractive index of the photoresponsive composition.
It is presumed to be caused by the Here, the control light converged on the same optical path and
How to change the positional relationship between the focal position of the signal light and the optical element
As a method, for example, a frame with a fine movement mechanism
Table, pedestal with piezoelectric actuator, or supersonic
Film-type optical element on a platform with a wave actuator
8 and move it as described above.
Control using a material with a large nonlinear refractive index effect as the material of 7
Changing the focal position by changing the power density of the light pulse
Method, use a material with a large coefficient of thermal expansion for the material of the condenser lens 7
To change the focal position by changing the temperature with a heating device
Etc. can be used. Light control of the present invention using the optical device shown in FIG.
Performing the method, the light intensity as shown in FIGS. 32 and 33
A change was observed. The details are as described below. First, the light beam of the control light and the light beam of the signal light are used.
In the same region in or near the film-type optical element 8.
The light paths and light mixing from each light source are connected so as to connect the point Fc.
The combiner 6 and the condenser lens 7 were adjusted. The film
Light and control light from the cover glass side of the mold optical element 8
Is incident and exits from the slide glass substrate side.
The optical element was then placed. Next, the wavelength selective transmission filter
The function of the monitor 20 was checked. That is, the light source 2 is turned off.
When the light source 1 is turned on and the shutter 4 is opened and closed
In that case, make sure that no response occurs at the photodetector 22.
Was. The minimum position of the convergent beam diameter (focal point Fc)
To change the positional relationship between the film and the film-type optical element 8
The method shown below was used. That is, the condenser lens 7
And the distance between the light receiving lenses 9 (d₇₈+ D₈₉) Is fixed
In addition, it was mounted on a base equipped with a fine movement mechanism using precision screws.
The position of the film-type optical element 8 is moved in the optical axis direction, and the film-type optical element is moved.
The distance between the condenser 8 and the condenser lens 7 is changed so that the
Focus position of bundled control light and signal light and film type optical element
8 was changed. First, the focal point Fc is focused by the film type optical element 8.
The case where it is installed on the lens 7 side will be described. in this case
Response waveform 22 of the signal light with respect to the control light waveform 111
2 is shown in FIG. Light source of control light with shutter 4 closed
1 and then at time t₁ To turn on light source 2
When the optical element 8 is irradiated with the signal light, the signal of the photodetector 22 is output.
The intensity increased from level C to level A. Time t_Two And release shutter 4 at
The same optical path as the signal light inside the optical element 8 is propagating
When the control light converges and irradiates, the signal intensity of the photodetector 22 becomes
It decreased from level A to level B. That is, the signal light
A light response in the direction of decreasing apparent intensity was observed. This
Response time was less than 2 microseconds. Time t_Three Close shutter 4 at
When the control light irradiation to the optical element 8 is stopped, the signal of the photodetector 22 is output.
The intensity returned from level B to level A. Responding to this change
The response time was less than 3 microseconds. Time t_Four And release shutter 4 at
Then, at time t_Five When closed, the signal of the photodetector 22 is
Signal intensity decreases from level A to level B, then level
Returned to A. Time t₆ Turn off the light source 2 at
The output of the output device 22 decreased and returned to the level C. Next, the focal point Fc is set to the value of the film type optical element 8.
The case where it is installed on the light receiving lens 9 side will be described. This place
Response waveform 2 of the signal light with respect to the control light waveform 111
23 is shown in FIG. Light source for control light with shutter 4 closed
1 and then at time t₁ To turn on light source 2
When the optical element 8 is irradiated with the signal light, the signal of the photodetector 22 is output.
The intensity increased from level C to level A. Time t_Two And release shutter 4 at
The same optical path as the signal light inside the optical element 8 is propagating
When the control light converges and irradiates, the signal intensity of the photodetector 22 becomes
Increased from level A to level D. That is, the signal light
Light response in the direction of increasing apparent intensity was observed. This
Response time was less than 2 microseconds. Time t_Three Close shutter 4 at
When the control light irradiation to the optical element 8 is stopped, the signal of the photodetector 22 is output.
The intensity returned from level D to level A. Responding to this change
The response time was less than 3 microseconds. Time t_Four And release shutter 4 at
Then, at time t_Five When closed, the signal of the photodetector 22 is
Signal strength increases from level A to level D, then level
Returned to A. Time t₆ Turn off the light source 2 at
The output of the output device 22 decreased and returned to the level C. In summary, the film type optical element 8 is controlled
Light is represented by a waveform as shown by 111 in FIG. 32 or FIG.
When the light is irradiated with a temporal change in light intensity, the signal
The output waveform of the photodetector 22 which indicates and monitors the light intensity of light.
Is shown as 222 in FIG. 32 or 223 in FIG.
It changes reversibly according to the time change of the light intensity of the control light.
Was. In other words, the light intensity of the control light
Controlling the transmission of signal light, that is, controlling light with light
(Light / light control) or modulating light with light
(Light / light modulation) was confirmed. The signal light corresponding to the intermittent control light
The degree of change in light intensity depends on the output level of the photodetector 22.
The value ΔT [single
%] Or as defined below using A, C and D
Value ΔT '[unit%] ΔT = 100 [(A−B) / (A−C)] ΔT ′ = 100 [(DA) / (AC)] Can be compared quantitatively. Where A is
When the signal light source 2 is turned on while the control light is cut off
The output levels of the photodetector 22, B and D are controlled by the signal light.
The output level of the photodetector 22 when the control light is irradiated simultaneously
And C are the photodetectors 22 with the light source 2 of the signal light turned off.
Output level. In the above example, the incident power of the control light is set to 2
0 mW, and the optical response of signal light by moving the film type optical element 8
Signal light intensity decreases when examining the direction and size of
The maximum value of the direction response magnitude ΔT is 87%,
Maximum value of the response magnitude ΔT ′ in the direction in which the signal light intensity increases
Was 39%. As described above, the position at which the convergent beam diameter is minimized
The positional relationship between the position (focus Fc) and the film-type optical element 8 can be changed.
The direction of the optical response of the signal light is reversed by
In the direction in which the apparent intensity decreases or increases
Response can be obtained. The mechanism by which such a light response change occurs was investigated.
Therefore, the signal light beam cross section that occurs when light control is performed
The change in the light intensity distribution was measured. That is,
In the apparatus of FIG. 31, the light receiving lens 9 is
An aperture larger than the numerical aperture (0.65 in this embodiment)
Change to a mouthpiece (for example, 0.75), and
And a light intensity distribution measuring device (see FIG.
34) is installed, and the light flux transmitted through the film type optical element 8 is
All of the light intensity is received and converged by the light receiving lens 9 to obtain the light intensity distribution.
Light is incident on the light receiving part 31 (effective diameter 4 mm) of the measuring instrument,
The light intensity distribution of the cross section of the light beam was measured. Figure of measurement result
35, 36 and 37. Here, the light intensity distribution measurement
As shown in FIG. 34, the light receiving unit 31 (effective diameter 4 m)
m), a first slit 32 having a width of 1 mm is provided.
In the length direction of one slit, that is, the point X in FIG.
From the second slit 33 having a width of 25 μm in the direction of the point Y.
Move at a constant speed and make 2 slits 1mm x
The intensity of light passing through a 25 μm rectangular window is
This is a device that measures according to the moving position. Moving the window
To measure the light intensity corresponding to the moving position, for example,
The storage unit synchronized with the moving speed of the second slit 33
On the oscilloscope, detection that received the light that passed through the window
What is necessary is just to record the output of the vessel. Figures 35, 36 and 37
On the storage oscilloscope as above
Light intensity distribution for the light beam cross section of recorded signal light
The horizontal axis (position in the cross section of the light beam) is
34 corresponds to the position in the direction from point X to point Y, and the vertical axis indicates light intensity.
Indicates degree. FIG. 35 shows that control light is incident on the film-type optical element 8.
The signal light beam is cut off when only the signal light is incident.
It is a light intensity distribution of a surface. The light intensity distribution in this case is
Distribution where the intensity of the part is strong and the intensity decreases as it goes to the periphery
(Generally "Gaussian distribution"). FIG. 36 shows the position where the convergent beam diameter becomes minimum.
(Focus Fc) near the condenser lens 7 of the film type optical element 8
(Light incident side), when the control light is irradiated
The optical response 222 in the direction in which the signal light intensity of
Signal beam when the control light is irradiated under the following conditions:
It is a light intensity distribution of a cross section. The light intensity distribution in this case is
Light intensity in the heart is weak and light intensity increases in the periphery
Has become. The light intensity at the center of the signal light beam cross section is controlled.
Depends on light intensity and positional relationship between film type optical element 8 and focal point
And approaches zero as the control light intensity increases.
Go. Therefore, in this case, the central part of the signal light beam
Take out only and measure the apparent signal light intensity,
Direction in which the intensity of signal light decreases in response to intermittent control light
Light response 222 can be taken out in a sufficient size.
You. FIG. 37 shows a position where the convergent beam diameter becomes minimum.
(Focus Fc) near the light receiving lens 9 of the film type optical element 8
(Light emission side), when the control light is irradiated
The optical response 223 in the direction in which the signal light intensity of
Signal beam when the control light is irradiated under the following conditions:
It is a light intensity distribution of a cross section. In this case, the light intensity at the center
The intensity is the light intensity in the central part when the control light is not irradiated (Fig.
35) It is stronger. In this case, the signal light beam
The light intensity at the center of the surface depends on the control light intensity and the film type optical element.
8 depends on the relationship of the focal position, but the number when control light is not irradiated
Double times. Therefore, in this case, the signal light beam
Take out only the central part and measure the apparent signal light intensity
Then, the intensity of the signal light increases in response to the intermittent control light.
Take out the optical response 223 in the direction of
Can be. From the above experiments, it was found that the signal due to the intermittent control light
The light intensity modulation (light response) of the light is interrupted by the signal light beam (light flux).
It can be seen that it is particularly large at the center of the surface. did
Therefore, contrary to the gist of the present invention, the numerical aperture of the light receiving lens 9
Is made larger than the numerical aperture of the condenser lens 7 so that the optical element 8
The signal light transmitted through is captured and received by the photodetector.
In this case, the detected light response is significantly higher than in the case of the present invention.
It will be smaller. In addition, control light is applied to the photodetector.
Noise components other than those that have undergone light modulation
As a result, the S / N ratio becomes extremely poor. [Comparative Example 1] A pen represented by the above formula [9]
Polymethacrylic acid can be used without using recondensed polycyclic aromatic compounds.
In the same manner as in Embodiment 1 except that only
A thin film (thickness: 50 μm) made of a composite material alone was prepared.
Photoresponse evaluation test for thin films in the same manner as in Embodiment 1.
Was performed, but the control light (wavelength: 514.5 nm) was intermittently emitted.
However, the light intensity of the signal light (wavelength 780 nm) changes completely.
Did not. That is, the matrix material alone
Was not observed at all. Therefore,
The optical response observed in Embodiment 1 is present in the optical element
It is clear that the peri-fused polycyclic aromatic compound
It is easy. [Embodiment 2] The light control method and the light control method of the present invention
In order to increase the light response in the light control device,
Converging the control light and the signal light respectively to the optical element
Irradiating, and each of the control light and the signal light
The region having the highest photon density near the focal point of the optical element
The control light and the front so as to overlap each other in
It is sufficient to arrange the optical paths of the signal light, respectively.
Signal light and control light are propagated in substantially the same optical path.
Preferably. The control light and the signal light
Gaussian where the amplitude distribution of the electric field is Gaussian
Converge at an opening angle of 2θ using a condenser lens 7 or the like.
Of the light beam and the wavefront 30 near the focal point Fc
This is shown in FIG. Where the Gaussian beam of wavelength λ
Diameter 2ω₀Where beam is minimized, that is, beam waist
Radius ω₀Is represented by the following equation. [0133] [Equation 2] ω₀ = Λ / (π · θ) For example, the condenser lens (focal length 5 m) used in the first embodiment
m, numerical aperture 0.65), wavelength 514.5 nm, beam direct
Half of the beam waist when the control light of 1 mm in diameter is converged
Diameter ω₀Is 1.643 μm, similarly, a wavelength of 780 nm,
Beam beam when converging a signal beam with a beam diameter of 8 mm
Strike radius ω₀Is 0.368 μm (almost diffraction limited)
Is calculated. As shown in FIG. 39, the signal light and the control light
Can be considered as “substantially the same optical path” because
Such is the case: 1) When the optical axes of the control light and the signal light are parallel to each other,
Optical path of light, for example, cross section L₀₂(Radius r_Two) Inside the signal light
Optical path, eg cross section L₊₁, L₀₁Or L_-1(Radius r₁;
r₁≤r_Two) Overlap and propagate 2) When the optical axes of the control light and the signal light are parallel to each other,
Optical path of light, for example, cross section L₀₂(Radius r_Two) Inside the control light
Optical path, eg cross section L₊₁, L₀₁Or L_-1(Radius r₁;
r₁≤r_Two) Overlap and propagate 3) The optical axes of the control light and the signal light are parallel to each other (the distance between the optical axes)
l₊₁, L_-1Or l₊₁+ L_-1) And the control light
Road is section L₊₁, L₀₁Or L_-1Either of the signal light
Optical path is also section L₊₁, L₀₁Or L_-1A place that is either
Go. The data shown in Table 1 is used as an example in the first embodiment.
In the apparatus of the above, the numerical aperture 0.65
Using the microscope objective lens of
Use a microscope lens with a numerical aperture of 0.4 and minimize the convergent beam diameter.
The smaller position (focal point) is set to the condenser lens 7 of the film type optical element 8.
(Light incident side) and transmit through the optical element
The optical response 222 in the direction in which the signal light decreases is observed.
Under the condition that the optical path of the signal light is₀₂(Diameter 8mm)
Fix, cross section L₊₁, L₀₁Or L_-1(Diameter 1mm)
The optical path (optical axis) of the control light is represented by a distance l between the optical axes.₊₁Or l_-1When
Signal and optical response when moving ± 1.2 mm in parallel
3 shows a change in the magnitude ΔT. Signal light and
Maximum optical response when the optical axis of the control light is perfectly matched
But the distance l between the optical axes₊₁Or l_-1Is ± 0.6mm
The optical response magnitude ΔT changes by about 8 points
It just becomes That is, the converged signal light and control light
Areas with the highest photon density near each focal point
Waist) overlap each other in the optical element.
The optical paths of the control light and the signal light are adjusted so that
Placed and maximized overlap of these areas
When the optical axes of the control light and the signal light are
The light response is maximized when there is a perfect match,
When the optical paths of the control light and the signal light are substantially the same,
It was found that a sufficiently large optical response was obtained. [0137] [Table 1] [Embodiment 3] An embodiment whose schematic configuration is shown in FIG.
In the first light control device, the film-type light according to the first embodiment is used.
Instead of the optical element 8, an optical cell 80 having an internal form of a thin film type
0 or 810 filled with a liquid photoresponsive composition
This will be described below. In addition, as shown in FIG.
The structure and arrangement of the optical device are thin-film
In addition to the case of using a tool, the external and internal forms are plate-shaped, rectangular
Uses optical cells such as body, column, semi-column, and square column
It can be suitably used also when there is. Here, an optical cell having a thin film type as an internal form is an example.
For example, it has the following configuration. (1) Optical glass
Alternatively, a quartz glass cell 800 (FIG. 40). (2) Two sheets of glass are used as a spacer and
Laminate with rubber packing in place and secure with metal frame for fixing.
The assembling optical cell 810 (FIG. 41) having the configuration held. Optical glass or quartz as shown in FIG.
The glass cell 800 includes an entrance / exit surface glass 801 and
802, side glass 803 and 804, and bottom
The glass 805 allows the liquid photoresponsive composition filling portion 80
8 is formed. Quartz glass as glass material
Optics such as soda glass, borosilicate glass, etc.
Glass can be used.
Therefore, it can be manufactured. Precision as an optical cell
In order to obtain it, glass entrance and exit surface
The flatness and parallelism of the source 801 and 802
Need to carry. The liquid photoresponsive composition is supplied at the inlet 80
7 through an inlet tube 806. Inlet 807
For example, insert a polytetrafluoroethylene stopper (not shown)
Or seal the inlet 807 with glass
This allows the filled liquid photoresponsive composition to be
To seal the optical cell and satisfy the functional requirements of the optical cell described above.
Can be. Cell 800 made of optical glass or quartz glass
Is a solution that corrodes glass, for example, a strongly alkaline solution.
Body, hydrofluoric acid, or borofluoric acid
Most organic and inorganic matrix materials, except where
Widely used when filling liquid photoresponsive compositions
Can be used. In particular, as a matrix material,
Hydrochloric acid, sulfuric acid, nitric acid, aqua regia, chlorosulfonic acid, methanes
Rufonic acid, trifluoromethanesulfonic acid, chlor vinegar
Acids, acids such as trichloroacetic acid, trifluoroacetic acid and acetic acid
This is useful when using. The same as the glass optical cell 800 shown in FIG.
The same morphology as polymethyl methacrylate, polystyrene
Transparent plastics such as polycarbonate and polycarbonate
Las) and can be used as an optical cell
You. However, in this case, the matrix material is
Material selection and assembly so that tics do not dissolve or attack
It is necessary to pay attention to the combination. An assembled optical cell 810 as shown in FIG.
Is a spacer provided with a liquid photoresponsive composition filled portion 818.
-814 as two plate-shaped entrance / exit surface glasses 813 and
815 and 815 and the rubber packings 812 and 81
6 and fixed by fixing frames 811 and 817, and fixing screws
Secured to holes 824 and 825 using screws (not shown)
Is what you do. Introducing pipe 82 attached to fixed frame 817
2 and 823 are introduction holes 82 provided in the fixed frame 817.
1. The introduction hole 820 provided in the rubber packing 816, and then
Through the inlet hole 819 provided in the entrance / exit surface glass 815
Liquid photoresponsive composition through these introduction routes
An object can be introduced into the filling section 818. Filling section 81
8, that is, the signal light and / or the control light
Optical path length propagating in a photoresponsive composition at direct incidence
Is determined by the thickness of the spacer 818 at the time of assembly.
You. Spacer 814, entrance / exit surface glass 813 and
And 815, rubber packings 812 and 815, and
The fixed frames 811 and 817 are all liquid responsive groups.
Dissolves liquid matrix material due to contact with product
Materials that withstand permeable, permeable, permeable, and / or corrosive
Need to be quality. Specifically, the spacer 814
The material is optical glass, quartz glass, polytetrafluoroethylene
Rubber, butyl rubber, silicon rubber, ethylene / propylene
Rubber and the like are preferred. In particular, maintaining the accuracy of the optical path length and
In order to maintain the sealing properties of
A fluorine-based polymer material such as styrene is preferably used.
Quartz is used as the entrance / exit surface glass 813 and 815.
In addition to glass, synthetic sapphire, soda glass, bokeh
An optical glass such as an acid glass can be used.
Further, a liquid in which the matrix material corrodes inorganic glass
Body, polymethyl methacrylate, polystyrene, poly
Organic glass such as polycarbonate can also be used.
You. As the material of the rubber packings 812 and 816,
Butyl rubber, silicon rubber, ethylene / propylene rubber
Using radiation-crosslinked fluororesin rubber
be able to. The fixed frames 811 and 817 are stainless steel.
Metal, such as gold-plated brass,
Can be Hereinafter, a liquid photoresponsive group is used as the optical element 8.
The film thickness of the product (optical path length when vertically incident) is 100 μm
Into a quartz glass cell 800 prepared to be
Of peri-condensed polycyclic aromatic compound represented by the formula [9]
Loromethane solution (concentration 1.00 × 10^-2mol / l)
When using a filled liquid photoresponsive composition
Will be described. In this case, the transmittance spectrum of the optical element 8 is
The vector is shown in FIG. The transmittance of the optical element 8 is controlled.
0.06% at light wavelength (514.5nm), signal light wave
The length (780 nm) was 93%. This optical element 8 (thin film type optical cell 800)
To the same light control device (FIG. 31) as in the first embodiment.
The convergent beam diameter of control light and signal light is minimized.
Position (focal point Fc) and the positional relationship between the film type optical element 8
The direction of the optical response of the signal light corresponding to the intermittent control light
The size and size were examined in the same manner as in the first embodiment.
That is, a semiconductor laser (oscillation) is used as the signal light source 2.
Wavelength 780nm, continuous oscillation output 6mW, after beam shaping
Gaussian beam with a diameter of about 8 mm) is used as the control light source 1
Argon gas laser (oscillation wavelength 514.5 nm, 1
mm Gaussian beam) as a condenser lens 7 with a magnification of 20
A microscope lens having a numerical aperture of 0.4 and a light receiving lens 9
And a microscope objective with a magnification of 10 and a numerical aperture of 0.3
The distance between the condenser lens 7 and the light receiving lens 9 (d₇₈+
d₈₉) Is fixed, the optical cell 8 as the optical element 8
00 and the distance between the condensing lens 7 and
The focus position of the bundled control light and signal light and the thin film optical
This was performed by changing the positional relationship with the file 800. When the incident power of the control light is 6 mW, the signal light
The maximum value of the magnitude ΔT of the response in the direction in which the intensity decreases is 91
%, The magnitude of the response in the direction in which the apparent signal light intensity increases
The maximum value of ΔT ′ was 33%. The focus of the control light
The position is located near the incident side of the photoresponsive composition in the optical cell.
Control light with a pulse width longer than 1 millisecond
If the control light power is greater than 10 mW,
Solvent dichloromethane boil at the focal point of the light
Started. Since the boiling of the solvent occurs very locally,
The pressure rise inside the cell was very small. Also,
As soon as the light was shut off, the boiling stopped. [Comparative Example 2] Comparative experiment based on conventional technology
In order to carry out the method, Japanese Patent Application Laid-Open No.
JP-A-63-231424 and JP-A-64-733.
In accordance with the description in Japanese Patent Publication No. 26, the structure shown in FIG.
Light control was attempted by using the device of the following. That is, the optical path length 1
of the signal light passing through the aperture 19 through the quartz solution cell 27
Illuminates semiconductor laser light (wavelength 780 nm) from light source 2
The transmitted and transmitted light passes through the wavelength selective transmission filter 20
And the light is received by the photodetector 22 while passing through the solution cell 27.
The entire optical path of the signal light to be controlled is controlled from a direction orthogonal to the signal light.
The control light was diffused using the projection lens 26 and irradiated.
In the device configuration of FIG. 42, the light source 1 (wavelength 51
4.5nm), ND filter 3, shutter 4, semi-transparent
The role and specifications of the mirror 5 and the photodetector 11 are implemented.
This is the same as in the case of mode 1 or 3. In addition, wavelength selective transmission
The over-filter 20 controls the scattering from the solution cell 27.
This is to prevent light from being incident on the photodetector 22.
It is possible to use the same one as used in form 1 or 3.
it can. As the dye, the same formula as in Embodiment 3 was used.
Using the peri-condensed polycyclic aromatic compound represented by [9],
The chloromethane solution was filled into the solution cell 27 and tested.
Regarding the density, the difference in the optical path length,
The optical path length 1c is 100 times as large as the optical path length of 100 μm in the case.
m, 100 minutes in the case of the third embodiment.
1 concentration (1.00 × 10^-Fourmol / l)
Adjusted so that the effective transmittance is equal to that of the third embodiment
did. As in the case of the third embodiment, the ND filter 3
Therefore, the control light incident on the optical element (the solution cell 27)
Adjust the power in the range of 0.5mW to 25mW,
The light flickered using the shutter 4. But
Incident on the photodetector 22 even if the power of the control light is maximized.
The result is that the signal light intensity does not change at all.
Was. That is, the power of the control light is set to 0.5 mW to 25 mW.
As long as it is adjusted within the range of mW, the device configuration and device shown in FIG.
Light and light control could not be realized in the arrangement. [Embodiment 4] FIG. 43 shows the light of this embodiment.
The schematic configuration of the control device is shown. Such an optical device
The configuration and arrangement are as shown in FIG.
In addition to the element 8, a fiber type, an optical waveguide type,
When using an optical element such as a channel array type,
Using an optical cell filled with a liquid photoresponsive composition
In this case, it can be suitably used. The light sources 1 and 2, the ND filter 3,
, The photodetectors 11 and 22, the film-type optical element 8,
Wavelength selective transmission filter 20 and oscilloscope 1
00 is the same as that of the first embodiment (FIG. 31).
It was used in the same manner. Dichroic in an arrangement as shown in FIG.
By using the mirror 21, the control light is split and the light is split.
The intensity is monitored by the photodetector 11, and at the same time, the control light and
The optical paths of the signal light can be overlapped, and the arrangement shown in FIG.
Thus, the necessary light mixer 6 can be omitted. However,
In the arrangement in FIG.
Complete signal light to complement wavelength selective transmission and reflection.
Wavelength selective transmission that completely blocks and transmits only control light
It is preferable to provide the filter 10 before the photodetector 11.
New In addition, the signal light and / or the control light
Back to step 2 to avoid adversely affecting the light source device.
If necessary, optical isolators 13 and 14
May be provided before the light sources 1 and 2, respectively. The signal light and the control light whose optical paths are matched are
Light converging method when irradiating the film-type optical element 8 by converging it at the beginning
As a step, instead of condenser lens 7 and light receiving lens 9
In the arrangement shown in FIG.
Can be used. Common convergence method for signal light and control light
When a lens is used as a step, strictly speaking, it depends on the wavelength.
There is a problem that the point distance is different.
Don't worry. Light control according to the present invention as illustrated in FIG.
Diverging after passing through the optical element in the device
The intensity modulation and / or the luminous flux of the signal luminous flux
The signal light flux in the area that has been strongly
The following method can be adopted for the start. (1) An aperture 19 is provided in front of the photodetector 22.
How to go. (2) The opening angle of the concave mirror 15 on the irradiation side is larger than the opening angle.
A method of reducing the opening angle of the concave mirror 16 on the light receiving side. (3) The opening angle of the concave mirror 15 on the irradiation side is larger than the opening angle.
The aperture angle of the concave mirror 16 on the light receiving side is reduced, and
A method in which the diaphragm 19 is provided before the vessel 22. Light control of the present invention as illustrated in FIG.
The essential device components of the device are light sources 1 and 2,
Ichroic mirror 21, wavelength selective transmission filter 2
0, concave mirrors 15 and 16, and film-type optical element 8.
Note that the dichroic mirror 21 in FIG.
Use a polarized or unpolarized beam splitter
Can also be. The light control method of the present invention is shown in FIG.
As a procedure in the case of using the apparatus, first, the control light (light source 1)
And the optical path of the signal light (light source 2) coincides with the common focal point Fc.
The optical element 8 is arranged at the (beam waist) position.
Make adjustments, then dichroic mirror 21 and
Function of wavelength selective transmission filters 10 and 20
Light sources 1 and 2 are turned on alternately, and only light source 1 is turned on.
(Shutter 4 opened) No response to photodetector 22
The light detector 11 when only the light source 2 is turned on.
Confirmed that there was no response. Hereinafter, in the same manner as in the first embodiment,
The light / light control method using the film type optical element 8 was implemented,
Experimental results equivalent to those of the first embodiment were obtained. [Embodiment 5] FIG. 44 shows the light of this embodiment.
The schematic configuration of the control device is shown. FIG. 31 and FIG.
In the device configuration illustrated in FIG. 3, the signal light and the control light are transmitted in the same direction.
Compared to irradiating the light-responsive optical element from
In FIG. 44, the signal light and the control light are aligned from the opposite direction, and the optical axes coincide
In order to converge at the same focal point.
There is a sign. The configuration and arrangement of such an optical device are shown in FIG.
In addition to the film-type optical element 8 illustrated in FIG.
Type, optical waveguide type, micro channel array type, etc.
When using an optical element, and a liquid photoresponsive composition
To use even when using an optical cell filled with
Can be. In the device configuration illustrated in FIG.
And 2, ND filter 3, shutter 4, condenser lens
Size 7, film type optical element 8, wavelength selective transmission filter 10 and
And 20, photodetectors 11 and 22, optical isolator
13 and 14, and the oscilloscope 100
Indicates the embodiment 1 (FIG. 31) and / or the embodiment 4 (FIG. 31).
43) can be used in a similar manner.
Wear. Two dichroic lamps are arranged in an arrangement as shown in FIG.
By using Ick mirrors (23 and 24), the signal
Light and control light from the opposite direction
Irradiation can be performed to converge at a point. In addition, two
The condensing lens 7 has the control light transmitted through the optical element and
Light-receiving lens for returning the beam and signal light to parallel beams, respectively
Also serves as the role of 9. Light control of the present invention as exemplified in FIG.
The essential device components in the device are light sources 1 and 2, 2
Dichroic mirrors (23 and 24), wavelength selection
Selective transmission filters 10 and 20, two condenser lenses
7 and a film-type optical element 8. The dichroic mirror in FIG.
-Polarized or non-polarized beads instead of (23 and 24)
Musplitters can also be used. The light control method of the present invention is as shown in FIG.
As a procedure in the case of using the apparatus, first, the control light (light source 1)
And the optical path of the signal light (light source 2) coincide with each other,
Adjustment is made so that the optical element 8 is arranged, and then the wavelength
To check the function of the selective transmission filters 10 and 20
Therefore, the light sources 1 and 2 are turned on alternately, and only the light source 1 is turned on (sharing).
When the photo detector 22 is open)
And when the light source 2 alone is turned on, the light detector 11 responds.
I confirmed that there was no answer. Hereinafter, in the same manner as in the first embodiment,
The light / light control method using the film type optical element 8 was implemented,
Experimental results equivalent to those of the first embodiment were obtained. [0167] As described in detail above, the present invention
According to the light control method and the light control device, for example,
Laser light in the near-infrared region as control light
It is extremely simple to modulate the signal light efficiently
Depending on the device, the actual
It becomes feasible with a sufficient response speed for practical use. The light control method and light control device of the present invention
Of near-infrared laser by visible light laser using
Direct modulation, for example, is transmitted through a plastic optical fiber.
With a visible light laser suitable for transport,
Directly modulates a near-infrared laser suitable for propagating light
It is extremely useful in such applications. Also, for example
New optical computing method in the field of optical computing
It is expected to help in developing. Further, the light control method and light control device of the present invention
According to the configuration, peri-condensed polycyclic aromatic compound as an optical element
Responsiveness by dissolving or dispersing in a matrix material
An optical element comprising a composition can be used,
Expand the selection range of materials used for elements, and optical elements
To make it easier to process and broaden the way of application to industry.
Can be. Further, the liquid photoresponsive composition is applied to an optical element.
By filling and using, optical scattering can be reduced.
And a large optical response with as little power as possible
An optical device can be provided. Also in the optical element
Exchange of the photoresponsive composition can be easily carried out.
You. In addition, the focus of the control light irradiated into the photoresponsive composition
Even if the nearby dyes deteriorate,
Therefore, compared to the case where the photoresponsive composition is not liquid,
Functions can be demonstrated. Further, the liquid photo-responsiveness can be improved by using a volatile solvent.
By creating a composition, the control light with excessive power
When incident, the solvent boils to generate bubbles,
Blocks control light and prevents optics from being damaged
It can be caught. Control light and signal light are respectively converged on the optical element.
The converging means and / or the light in the optical element
Signal light flux diverging after passing through the responsive composition
Of these, intensity modulation and / or flux density modulation
Means for separating and extracting the signal light beam in the
And / or through the photoresponsive composition in the optical element.
The mixed light of the signal light and the control light
Extremely simple by incorporating means of separation
In addition, a compact light control device can be provided.

[Brief description of the drawings] FIG. 1 shows a peri-condensed polycyclic aromatic compound used in the present invention.
It is the figure which illustrated the structure of the thing. FIG. 2 shows a peri-condensed polycyclic aromatic compound used in the present invention.
It is the figure which illustrated the structure of the thing. FIG. 3 is a peri-condensed polycyclic aromatic compound used in the present invention.
It is the figure which illustrated the structure of the thing. FIG. 4 is a peri-condensed polycyclic aromatic compound used in the present invention.
It is the figure which illustrated the structure of the thing. FIG. 5 is a peri-condensed polycyclic aromatic compound used in the present invention.
It is the figure which illustrated the structure of the thing. FIG. 6 shows a peri-condensed polycyclic aromatic compound used in the present invention.
It is the figure which illustrated the structure of the thing. FIG. 7 is a peri-condensed polycyclic aromatic compound used in the present invention.
It is the figure which illustrated the structure of the thing. FIG. 8 shows a peri-condensed polycyclic aromatic compound used in the present invention.
It is the figure which illustrated the structure of the thing. FIG. 9 shows a peri-condensed polycyclic aromatic compound used in the present invention.
It is the figure which illustrated the structure of the thing. FIG. 10: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 11: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 12: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 13: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 14: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 15: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 16: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 17: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 18: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 19: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 20: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 21: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 22: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 23: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 24: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 25: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 26: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 27: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 28: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 29: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 30: Peri-condensed polycyclic aromatization used in the present invention
It is the figure which illustrated the structure of the compound. FIG. 31 is an apparatus configuration used in carrying out the present invention.
FIG. 1 is a configuration diagram of a first exemplary embodiment. FIG. 32 shows an example of temporal changes in light intensity of control light and signal light.
FIG. FIG. 33 shows an example of temporal changes in light intensity of control light and signal light.
FIG. FIG. 34 shows a slit and a light beam used for measuring the light intensity distribution.
FIG. 6 is a diagram showing a relationship with a program. FIG. 35 shows a light intensity distribution of a signal beam cross section.
FIG. FIG. 36 illustrates a light intensity distribution of a beam cross section of a signal light.
FIG. FIG. 37 shows the light intensity distribution of the beam cross section of the signal light.
FIG. FIG. 38 shows a Gaussian beam converged by a condenser lens or the like.
FIG. 3 is a schematic diagram showing a state near a focal point of the image forming apparatus. FIG. 39 shows optical paths (and optical axes) of control light and signal light.
FIG. 3 is a diagram illustrating the relationship of FIG. FIG. 40 shows an optical cell made of optical glass or quartz glass.
It is the schematic diagram illustrated. FIG. 41 is a schematic view illustrating the components of a prefabricated optical cell.
FIG. FIG. 42 illustrates a device configuration used in a conventional technique.
FIG. FIG. 43 is an apparatus configuration used in carrying out the present invention.
FIG. 12 is a configuration diagram of a fourth exemplary embodiment. FIG. 44 is a diagram showing a configuration of an apparatus used in carrying out the present invention.
FIG. 14 is a configuration diagram of a fifth exemplary embodiment. FIG. 45 shows a transmittance specification of the film-type optical element of the first embodiment.
It is torr. FIG. 46 shows a film-type optical element (thin-film optical element) of a third embodiment.
13) is a transmittance spectrum of FIG. [Explanation of symbols] 1 light source for control light, 2 light source for signal light, 3 ND fill
, 4 shutters, 5 transflectors, 6 light mixers,
7. Condensing lens, 8. Optical element composed of photoresponsive composition
, 9 light receiving lens, 10 wavelength selective transmission filter
(For blocking signal light), 11 optical detector, 13 optical isolator
(For control light), 14 optical isolator (signal light
), 15 concave mirror, 16 concave mirror, 19 aperture, 20
  Wavelength selective transmission filter (for blocking control light), 21 da
Ichroic mirror, 22 photodetector (light intensity of signal light
23 dichroic mirrors, 24 dikes
Loic mirror, 26 projection lens, 27 quartz solution
Cell (optical path length 1cm), 30 wavefronts, 31 light intensity distribution measurement
Light receiving part of the measuring instrument (effective diameter 4 mm), 32 first slit
G (width 1 mm), 33 second slit (width 25μ)
m), 100 oscilloscope, 111 photodetector 11
(Light intensity time change curve of control light)
And 223 the signal from the photodetector 22 (the light intensity of the signal light)
Time change curve), 800 glass optical cell, 801
Incoming / outgoing surface glass, 802 Incoming / outgoing surface glass, 8
03 Side glass, 804 Side glass, 805 Bottom
Glass, 806 inlet tube, 807 inlet, 808 light
Responsive composition filling section, 810 Assembled optical cell, 811
  Fixed frame, 812 rubber packing, 813 Incoming / outgoing
Face glass, 814 spacer, 815 entrance / exit surface
Glass (with inlet hole), 816 rubber packing (inlet hole
Attached), 817 fixed frame (with introduction tube), 818 light response
Composition filling portion, 819 introduction hole, 820 introduction hole, 82
1 introduction hole, 822 introduction pipe, 823 introduction pipe, 824
  Fixed screw hole, 825 Fixed screw hole, A Blocks control light
Detector 22 when the light source of the signal light is turned on in the state of
Output level, B focus Fc is closer to the condensing lens side of the optical element 8
Is set to, and the signal light source is turned on
The output level of the photodetector 22 when irradiating the control light with
C The output level of the photodetector 22 with the signal light turned off.
The focus Fc is set on the light receiving lens side of the optical element 8.
Control light when the signal light source is turned on.
, The output level of the photodetector 22 when d.₇₈  Collection
Distance between optical lens 7 and optical element 8, d₈₉  Optical element 8 and receiver
Distance of optical lens 9, Fc focus, L₀₁, L₊₁, L_-1And
And L₀₂  Light beam cross section of signal light or control light, l₊₁And
Bi_-1  The translation distance of the optical axis of the signal light or control light, r
₁ Light beam cross section L of signal light or control light₀₁, L_{+ 1}Also
Is L_-1Radius of r_Two Light beam break of signal light or control light
Surface L₀₂Radius of t₁Time when the light source of the signal light is turned on, t_Two
The time when the shutter that has blocked the control light is opened, t_Three
 The time when the control light is shut off again by the shutter, t_Four Control light
Time when the shutter that opened the shutter was opened, t_Five Control light
Time when the shutter was shut off again, t₆ Turn off the signal light source
Lighting time, θ Outside of the light beam converged by the condenser lens
The angle that the circumference makes with the optical axis, ω₀ Focused by a condenser lens
Gaussian beam waist (beam at focal position)
Radius).

   ────────────────────────────────────────────────── ─── Continuation of front page    (72) Inventor Shigeru Takarada             1-9-4 Horinouchi, Adachi-ku, Tokyo Dainichi             Seika Industry Co., Ltd. Tokyo Manufacturing Office (72) Inventor Hiromitsu Yanagimoto             1-9-4 Horinouchi, Adachi-ku, Tokyo Dainichi             Seika Industry Co., Ltd. Tokyo Manufacturing Office (72) Inventor Koji Tsujida             3-12 Moriyacho, Kanagawa-ku, Yokohama, Kanagawa Prefecture             Local Japan Victor Co., Ltd. (72) Inventor Ichiro Ueno             3-12 Moriyacho, Kanagawa-ku, Yokohama, Kanagawa Prefecture             Local Japan Victor Co., Ltd.

Claims (1)

Claims 1. An optical element made of a photoresponsive composition is irradiated with control light having a wavelength to which the optical element is sensitive, and the transmittance of signal light in a wavelength band different from that of the control light. And / or a light control method for performing intensity modulation and / or light flux density modulation of the signal light passing through the optical element by reversibly changing a refractive index, wherein the control light and the signal light are respectively converged. Irradiate the optical element, and the optical path of the control light and the signal light, respectively, so that the region where the photon density near the focal point of each of the control light and the signal light is highest overlaps in the optical element. A light controlling method, wherein the optical element contains at least one kind of peri-condensed polycyclic aromatic compound represented by any of the following formulas [1] to [8]. A light control method comprising a photoresponsive composition having Embedded image (In the formula [1], R ^N1 and R ^N2 each represent a hydrogen atom, a hydroxyl group, an amino group, a substituted amino group, a group IV element (C, Si, Ge, S
n represents a monovalent substituent derived from a compound of Pb), R ^C1 to R ^C4 each represent a hydrogen atom, a compound of a group IV element (C, Si, Ge, Sn, Pb), or a group V A compound of the element (N, P, As, Sb, Bi), a compound of the group VI element (O, S, Se, Te, Po) or V
Represents a monovalent substituent derived from a group II element (F, Cl, Br, I), and when these substituents are different from each other,
Also, a case where two adjacent substituents are bonded to each other to form a ring is included. ) (In the formula [2], Z ¹ and Z ² each represent a residue which forms a condensed heterocyclic ring by bonding to two nitrogen atoms, including a case where these residues have a substituent. ^C5 to R ^C8 have the same ^{meanings as} R ^C1 to R ^C4 in formula [1]. (In the formula [3], Z ³ and Z ⁴ are each Z ¹ or Z ² in the formula [2].
And R ^C9 to R ^C12 are the same as R ^C1 to R ^C4 in the formula [1].
Is synonymous with ) (In the formula [4], R ^N3 and R ^N4 each have the same meaning as R ^N1 or R ^N2 in the formula [1], and R ^C13 to R ^C20 are the same as R ^C1 to R ^C4 in the formula [1].
Is synonymous with ) (In the formula [5], Z ⁵ and Z ⁶ are each Z ¹ or Z ² in the formula [2].
And R ^C21 to R ^C28 are the same as R ^C1 to R ^C4 in the formula [1].
Is synonymous with ) (In the formula [6], Z ⁷ and Z ⁸ are each Z ¹ or Z ² in the formula [2].
And R ^C29 to R ^C36 are the same as R ^C1 to R ^C4 in the formula [1].
Is synonymous with ) (In the formula [7], Z ⁹ has the same meaning as Z ¹ or Z ² in the formula [2], ^RN5 has the same meaning as R ^N1 or R ^N2 in the formula [1], and R ^C37 to R ^{C37 C40} represents R ^C1 to R ^C4 in the formula [1].
Is synonymous with ) (In the formula [8], Z ¹⁰ has the same meaning as Z ¹ or Z ² in the formula [2], R ^N6 has the same meaning as R ^N1 or R ^N2 in the formula [1], and R ^C41 to R ^{C41 C48} represents R ^C1 to R ^C4 in the formula [1].
Is synonymous with 2. The light control method according to claim 1, wherein said control light and said signal light are propagated in substantially the same optical path in said optical element. 3. The light control method according to claim 1, wherein a region of the signal light beam diverging after passing through the optical element has been subjected to the intensity modulation and / or the light beam density modulation. A light control method characterized by separating and extracting the signal light beam bundle of (1). 4. The light control method according to claim 1, wherein the signal light beam that diverges after passing through the optical element has an angle range (opening) smaller than the divergence angle of the signal light beam. A light beam in a region that has been strongly subjected to the intensity modulation and / or the light flux density modulation to extract the light beam. 5. The light control method according to claim 1, wherein the control light and the signal light have different focal positions and a positional relationship between the optical element and the control light. By irradiating, it is possible to selectively extract one of a light response in a direction in which the apparent intensity of the signal light transmitted through the optical element decreases and an optical response in which the apparent intensity of the signal light increases. Characteristic light control method. 6. The light control method according to claim 1, wherein the photoresponsive composition is a liquid, and an optical cell filled with the liquid photoresponsive composition is used as the optical element. A light control method characterized by being used. 7. The light control method according to claim 6, wherein the liquid photoresponsive composition contains a volatile solvent. 8. An optical element made of a photoresponsive composition is irradiated with control light having a wavelength to which the optical element is sensitive, and the transmittance and / or the refractive index of signal light in a wavelength band different from that of the control light is adjusted. A light control device used in a light control method of performing intensity modulation and / or light flux density modulation of the signal light transmitted through the optical element by reversibly increasing and decreasing, wherein the control light and the signal light are respectively converged. Having converging means for causing the converged control light and the signal light to be arranged such that regions having the highest photon densities near the respective focal points of the control light and the signal light overlap with each other, and the optical paths of the control light and the signal light are respectively arranged; and , The optical element is disposed at a position where regions near the focal points of the converged control light and the signal light and having the highest photon density overlap each other. Child, the light control device characterized by consisting of photoresponsive composition containing at least one peri fused polycyclic aromatic compound represented by any one of [8] from the equation [1]. 9. The light control device according to claim 8, further comprising an optical path arrangement such that said control light and said signal light propagate in substantially the same optical path in said optical element. Control device. 10. The light control device according to claim 8, wherein a region of the signal light beam that diverges after passing through the optical element and that is strongly subjected to the intensity modulation and / or the light beam density modulation. A light control device comprising means for separating and extracting the signal light beam of (1). 11. The light control device according to claim 10, wherein the signal light is converged on the optical element as means for separating and extracting a signal light beam in a region which has been strongly subjected to the intensity modulation and / or the light beam density modulation. A light control device characterized by using a convergence means having a numerical aperture smaller than the numerical aperture of the convergence means used when the light is made incident. 12. The light control device according to claim 10, wherein a diaphragm is used as a unit for separating and extracting a signal light beam in a region that has been strongly subjected to the intensity modulation and / or the light beam density modulation. Control device. 13. The light control device according to claim 8, further comprising a moving unit configured to change a positional relationship between a focus position of each of the control light and the signal light and the optical element, By using a moving unit, by changing the positional relationship between the respective focus positions of the control light and the signal light and the optical element, the apparent appearance of the signal light transmitted through the optical element by the irradiation of the control light is changed. A light response in a direction in which the intensity of the signal light decreases and a light response in which the apparent intensity of the signal light increases. 14. The light control device according to claim 8, further comprising means for separating mixed light of signal light and control light transmitted through the optical element into signal light and control light. A light control device characterized by the above-mentioned. 15. The light control device according to claim 8, wherein the photoresponsive composition is a liquid, and the optical cell filled with the liquid photoresponsive composition is an optical element. A light control device characterized by being used as a light control device. 16. The light control device according to claim 15, wherein the liquid photoresponsive composition contains a volatile solvent. 17. The light control device according to claim 8, wherein the converging unit converges the control light and the signal light, and / or the photoresponsive composition in the optical element. Means for separating and extracting the signal light beam bundle in the region which has been strongly subjected to the intensity modulation and / or the light beam density modulation, out of the signal light beam bundles diverging after passing through the optical element, and / or A light control device, wherein a means for separating mixed light of signal light and control light transmitted through the photoresponsive composition into signal light and control light has a structure incorporated in the optical element. .