CN104851434B - Full figure light emission module is with applying its full figure stocking system - Google Patents
Full figure light emission module is with applying its full figure stocking system Download PDFInfo
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- CN104851434B CN104851434B CN201510253752.3A CN201510253752A CN104851434B CN 104851434 B CN104851434 B CN 104851434B CN 201510253752 A CN201510253752 A CN 201510253752A CN 104851434 B CN104851434 B CN 104851434B
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
- G11B7/1372—Lenses
- G11B7/1374—Objective lenses
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Abstract
The present invention relates to a kind of full figure light emission module, light source module and light shape control module are included.Light source module is mutually orthogonal to provide signal light and reference light, the polarization state of wherein signal light and reference light.Light shape control module is to receive signal light and reference light from light source module.Signal light is projected after being modulated with reference light via light shape control module, wherein the reference light projected from light shape control module is surrounded and is located in the middle of signal light by signal light, and signal light partly overlaps with reference light.
Description
Technical field
The present invention relates to a kind of full figure light emission module with applying its full figure stocking system.
Background technology
With the development of science and technology, the required storage consumption of electronic record also and then rises.Common storing mode is record
Change on storage medium surface magnetically or optically, using the foundation as stored data, such as disk sheet or disc.However, with
The required storage consumption increase of electronic record, the technology development of full figure storage starts to attract attention.
Full figure storing technology is to be produced through signal light and reference light after interference, and image data is write into storage medium
It is interior.When reading the data, through on irradiation reference light to storage medium (photosensitive material) again, you can produce image data.Connect
, produced image data is read by detector again.That is, the storage volume of full figure storing technology and signal light and
Reference light has correlation, and the storage volume for how lifting full figure storing technology also turns into the mesh of currently associated area research
Mark.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of full figure stocking system, to provide reference light and signal
Light, wherein reference light are surrounded by signal light.In under this configuration, because the area of signal light is lifted, therefore in write-in program, disk
The unit page that piece is written into can store more data volumes.In addition, the data volume being written into disc time per unit is also carried
Rise, that is, the speed of write-in program gets a promotion.Therefore, the storage material surrounded through signal light in the configuration of reference light, disc
The utilization rate of material is effectively elevated, and then improves the efficiency of the write-in program of full figure light emission module.
Preferably, full figure light emission module, includes light source module and light shape control module.Light source module is to provide signal
Light and reference light, the polarization state of wherein signal light and reference light are mutually orthogonal.Light shape control module comes from light source die to receive
The signal light and reference light of block.Signal light is projected after being modulated with reference light via light shape control module, wherein controlling mould from light shape
The reference light that block is projected is surrounded and is located in the middle of signal light by signal light, and signal light partly overlaps with reference light.
Preferably, light shape control module includes spectral module, the first light guide module, the second light guide module, 1/2nd ripples
Piece, the first light shield device and light convergence module.Spectral module is incited somebody to action to receive signal light and reference light from light source module
Signal light after reference light guiding with projecting.First light guide module is to receive the signal light from spectral module, and by signal light
Guide back spectral module.Second light guide module guides back light splitting to receive the reference light from spectral module, and by reference light
Module, wherein being directed to back the signal light of spectral module and reference light is projected in the same direction from the same side of spectral module.Two
/ mono- wave plate is arranged at the side of spectral module, and in the light path of reference light so that signal light is with passing through 1/2nd
The reference light of wave plate has identical polarization state.First light shield device is arranged in the light path of signal light, to shaded portions news
Number light so that the signal light by the first light shield device is hollow form.Light convergence module is arranged in the light path of reference light, is used to
Reference light is restrained, wherein the sectional area of the reference light after convergence corresponds to the sectional area of the hollow region of signal light so that signal
Light surrounds reference light.
Preferably, wherein the first light guide module and the second light guide module include face mirror respectively.Spectral module is inclined comprising first
Shake spectroscope and the second polarization spectroscope.First polarization spectroscope to receive signal light and reference light from light source module,
Wherein signal light penetrates the face mirror of the first polarization spectroscope and the light guide module of directive first, and reference light is anti-in the first polarization spectroscope
Penetrate the face mirror of the rear light guide module of directive second.Second polarization spectroscope is to be received in the first light guide module and the second light guide module
The reflection of face mirror signal light and reference light, wherein signal light penetrates the second polarization spectroscope, and reference light is in the second polarization spectro
Mirror reflects.First light shield device is located between the first polarization spectroscope and the first light guide module, and it is inclined that light convergence module is located at first
Shake between spectroscope and the second polarization spectroscope.
Preferably, light convergence module includes long focus lens and short focus lens, and long focus lens and short focus lens wherein it
One be located between the first polarization spectroscope and the face mirror of the second light guide module, and another be located at the second light guide module face mirror with
Between second polarization spectroscope.
Preferably, light convergence module includes an at least lens pillar.
Preferably, the quantity of lens pillar is two, and the focus direction of two lens pillars is orthogonal.
Preferably, spectral module includes the first polarization spectroscope.First polarization spectroscope comes from light source module to receive
Signal light and reference light, wherein signal light penetrates the first polarization spectroscope, and reference light reflects in the first polarization spectroscope.First
Light guide module includes face mirror and the first quarter-wave plate.Face mirror reflects to the signal light that will be penetrated from the first polarization spectroscope
Return the first polarization spectroscope.First quarter-wave plate is arranged between face mirror and the first polarization spectroscope.
Preferably, the first light shield device is located between face mirror and the first quarter-wave plate.
Preferably, wherein the first light shield device is located between light source module and spectral module.
Preferably, light convergence module includes convergence lens.Restrain lens and be located at the first polarization spectroscope and 1/2nd ripples
Between piece.
Preferably, wherein the second light guide module includes curved mirror and the second quarter-wave plate.Curved mirror is to will be from
The reference light of one polarization spectroscope reflection is reflected back the first polarization spectroscope.Second quarter-wave plate is arranged at curved mirror and
Between one polarization spectroscope.
Preferably, full figure light emission module further includes the second light shield device.Second light shield device is arranged at curved mirror and
Between two quarter-wave plates.
Preferably, curved mirror has different focal positions in horizontal direction and vertical direction.
Preferably, the second light guide module includes level crossing, condenser lens and the second quarter-wave plate.Level crossing is to incite somebody to action
The first polarization spectroscope is reflected back from the reference light of the first polarization spectroscope reflection.Condenser lens is arranged at level crossing and first inclined
Shake between spectroscope, to restrain reference light, wherein condenser lens has different focusing in horizontal direction and vertical direction
Position.Second quarter-wave plate is arranged between level crossing and the first polarization spectroscope.
Preferably, light shape control module further includes active rotating mechanism.The guide-lighting mould of active rotating mechanism connection second
Block, wherein incident angle of the active rotating mechanism to adjust the reference light for being directed to back spectral module.
Preferably, the signal light that light source module is provided has the hollow light distribution of identical with reference light.
Another technical problem to be solved by this invention is to provide a kind of full figure stocking system, and mould is launched comprising full figure light
Block, spatial light modulator, spectrophotometric unit, lens combination, dichroic beam splitter, object lens and filtering assembly.Spatial light modulator is received
Signal light and reference light that full figure light emission module is provided.Spatial light modulator launches signal light and ginseng towards spectrophotometric unit
Examine light, and signal light and reference light sequentially from spectrophotometric unit pass through lens combination, dichroic beam splitter and object lens after directive disk
Piece.Filtering assembly is arranged at the position between correspondence spectrophotometric unit and object lens in the light path of reference light.Filtering assembly includes polarization
Piece and the 3rd quarter-wave plate.Polarizer is passed through to provide the reference light from spectrophotometric unit.3rd quarter-wave plate
It is arranged on polarizer, wherein polarizer is towards the side of correspondence spectrophotometric unit in the light path of reference light.
Preferably, filtering assembly is arranged between dichroic beam splitter and object lens.
Preferably, lens combination includes the first lens and the second lens.Signal light and reference light from spectrophotometric unit
Sequentially by the first lens and the second lens, wherein filtering assembly is located between the first lens and the second lens.
Preferably, when full figure stocking system writes to the same position of disc, the ginseng that spatial light modulator is provided
Examining light has multiple polarization states, and wherein this multiple polarization state is orthogonal.
Brief description of the drawings
Fig. 1 is the configuration schematic diagram of the first embodiment of the full figure stocking system according to the present invention.
Fig. 2 shows for the plane of incidence of signal light and reference light from the full figure light emission module directive spatial light modulator in Fig. 1
It is intended to.
Fig. 3 be the 1st figure in full figure stocking system full figure light emission module configuration schematic diagram.
Fig. 4 is the configuration schematic diagram of the second embodiment of the full figure stocking system according to the present invention.
Fig. 5 is the light shape schematic diagram of the reference light projected from the light shape control module in Fig. 4.
Fig. 6 A to Fig. 6 C are the reference light in Fig. 5 in the plane of incidence schematic diagram of diverse location..
Fig. 7 is the configuration schematic diagram of the 3rd embodiment of the full figure stocking system according to the present invention.
Fig. 8 is that reference light carries out disc write-in when reference light is located at the center of coaxial-type full figure stocking system
Schematic diagram.
Fig. 9 is the configuration schematic diagram of the 4th embodiment of the full figure stocking system according to the present invention.
Figure 10 is the plane of incidence schematic diagram that signal light is launched with reference light from Fig. 9 full figure light emission module.
Figure 11 is the configuration schematic diagram of the 5th embodiment of the full figure stocking system according to the present invention.
Figure 12 is the configuration schematic diagram of the 6th embodiment of the full figure stocking system according to the present invention.
Figure 13 is the configuration schematic diagram of the 7th embodiment of the full figure stocking system according to the present invention.
Figure 14 is the configuration schematic diagram of the 8th embodiment of the full figure stocking system according to the present invention.
Figure 15 A and Figure 15 B are respectively the schematic elevation view and schematic side view of the filtering assembly in Figure 14.
Figure 16 is the configuration schematic diagram of the 9th embodiment of the full figure stocking system according to the present invention.
100 full figure stocking systems
101 image-forming modules
102 spatial light modulators
104 spectrophotometric units
106 lens combinations
108 first lens
110 second lens
112 dichroic beam splitters
113 reflector elements
114,115 object lens
116 discs
118 full figure light emission modules
120 light source modules
122 smooth shape control modules
124 spectral modules
126 first light guide modules
128 second light guide modules
/ 130th 2 wave plate
132 first light shield devices
134 second light shield devices
136 face mirrors
138 first polarization spectroscopes
140 second polarization spectroscopes
142 light restrain module
143 long focus lens
144 short focus lens
146 first quarter-wave plates
148 second quarter-wave plates
149 the 3rd quarter-wave plates
150 convergence lens
152 curved mirrors
154 active rotating mechanisms
156 level crossings
158 condenser lenses
160 filtering assemblies
162 polarizers
The 164,165 write-in pages
S signal light
R, R1Reference light
D noise lights
P1, P2Position
z1, z2, z3Coordinate
X, y, z direction.
Embodiment
With schema and the clear explanation present invention, any those of ordinary skill in the art will be described in detail below
After the preferred embodiments of the invention is understood, when the technology that can be taken a hint by the present invention, it is changed and modifies, it does not take off
Within the scope of claimed by the present invention.
On used herein first, second ... etc., the meaning of order or cis-position is not especially censured, it is also non-to use
To limit the present invention, its component described just for the sake of difference with constructed term or operation.
In the full figure stocking system of coaxial-type, signal light is referenced light encirclement, therefore reference light on input face in needing to account for
There is certain area, the mixing efficiency that can ensure signal light and reference light is enough.However, under such a configuration, when
Full figure stocking system is write or during reading program, it will produce the waste of energy.
In view of this, the full figure light emission module of the present invention provides reference light and signal light, and wherein reference light is by signal light
Surround.In under this configuration, because the area of signal light is lifted, therefore in write-in program, the unit page energy that disc is written into
Store more data volumes.In addition, the data volume being written into disc time per unit is also lifted, that is, the speed of write-in program
Get a promotion.Therefore, the utilization rate for the storage material surrounded through signal light in the configuration of reference light, disc is effectively elevated,
And then improve the efficiency of the write-in program of full figure stocking system.
Fig. 1 is the configuration schematic diagram of the first embodiment of the full figure stocking system according to the present invention.Fig. 2 be signal light with
Plane of incidence schematic diagram of the reference light from the full figure light emission module directive spatial light modulator in Fig. 1.
Please see Fig. 1 and Fig. 2 simultaneously, full figure stocking system 100 comprising full figure light emission module 118, image-forming module 101,
Spatial light modulator 102, spectrophotometric unit 104, lens combination 106, dichroic beam splitter 112, reflector element 113 and object lens 114.Entirely
As light emission module 118 includes light source module 120 and light shape control module 122.Light source module 120 to provide signal light S with
Reference light R.Light shape control module 122 to receive signal light S from light source module 120 and reference light R, and signal light S with
Directive spatial light modulator 102 after reference light R is modulated via light shape control module 122.
In present embodiment, when full figure stocking system 100 carries out write-in program to disc 116, full figure light emission module
118 to the light path starting point as full figure stocking system 100.Spatial light modulator 102 receives full figure light emission module 118 and carried
For signal light S and reference light R after, towards spectrophotometric unit 104 launch signal light S and reference light R.Then, stored in full figure
In the light path of system 100, signal light S and reference light R sequentially pass through lens combination 106, dichroic beam splitter from spectrophotometric unit 104
112nd, directive disc 116 after reflector element 113 and object lens 114.
The signal light S that light source module 120 is provided and reference light R directive spaces after the modulation of light shape control module 122
Optical modulator 102.In present embodiment, reference light R is surrounded and is located in the middle of signal light S by signal light S, and signal light S and ginseng
Examine light R-portion overlapping, as shown in Figure 2.In Fig. 2, the signal light S plane of incidence is represented with horizontal line, and the reference light R plane of incidence is with vertical
Straight line represents that wherein horizontal line is region overlapping with reference light R signal light S with the region of vertical line overlap.However, Fig. 2 is only
For schematic diagram, it is not used to limit the signal light S and reference light R of the present invention configuration mode.For example, signal light S and reference light R
It is probably overlapping with outer boundaries with inboard boundary respectively.
In under this configuration, because signal light S and reference light R is is modulated by light shape control module 122 respectively, therefore when by
Light source module 120 is controlled after signal light S and reference light R primary power, signal light S and the ginseng of directive spatial light modulator 102
Roughly the same energy can be had by examining light R.Furthermore, in the beam incident surface from the directive disc 116 of full figure stocking system 100
In, because disc 116 can be write by the signal light S with larger area, therefore disc 116 in the unit interval in being written into
Data volume also increases.In addition, signal light S of the correspondence with larger area, for single one disc 116, disc 116 allows quilt
The total amount of data of write-in can also be lifted.That is, the utilization rate of the storage material in disc 116 is effectively elevated, Jin Erti
The write-in program efficiency of high full figure stocking system 100.
In addition, when full figure stocking system 100 is read out program to disc 116, full figure stocking system 100 is first with writing
Enter program identical light path transmitting reference light R, then, reference light R occurs after diffraction in disc 116, then reflected along same routes
Spectrophotometric unit 104 is returned, and enters back into image-forming module 101 and carries out digital independent.In under this configuration, it is read out when to disc 116
During program, most energy can be switched to and be supplied to reference light R by full figure stocking system 100, with lifted reading efficiency with
Accuracy.
Please see Fig. 2 and Fig. 3 simultaneously again, Fig. 3 shows for the configuration of the full figure light emission module of the full figure stocking system in Fig. 1
It is intended to.In present embodiment, full figure light emission module 118 includes light source module 120 and light shape control module 122, wherein light source
Module 120 is to provide signal light S and reference light R.In addition, the signal light S and reference light R that light source module 120 is provided is partially
Polarization state is mutually orthogonal.In some embodiments, light source module 120 includes Polarization Controller (not drawing), and Polarization Controller is used
To define signal light S and reference light R polarization state.
Light shape control module 122 comprising spectral module 124, the first light guide module 126, the second light guide module 128, two/
One wave plate 130, the first light shield device 132 restrain module 142 with light.Spectral module 124 is to receive from light source module 120
Signal light S and reference light R, and will be projected after signal light S and reference light R guidings.In present embodiment, spectral module 124 is included
First polarization spectroscope 138 and the second polarization spectroscope 140.First polarization spectroscope 138 comes from light source module 120 to guide
Signal light S and reference light R so that the signal light S and reference light R from light source module 120 is respectively from the first polarization spectroscope
138 project along different directions.Signal light S penetrates the first polarization spectroscope 138 and the first light guide module of directive 126, reference light R in
The second light guide module of directive 128 after the reflection of first polarization spectroscope 138.
First light guide module 126 guides back light splitting to receive the signal light S from spectral module 124, and by signal light S
Module 124.Second light guide module 128 guides back light splitting to receive the reference light R from spectral module 124, and by reference light R
Module 124, wherein being directed to back the signal light S and reference light R of spectral module 124 from the same side of spectral module 124 towards same
Project in direction.In addition, the first light guide module 126 and the second light guide module 128 of present embodiment include face mirror 136 respectively.
Furthermore, the signal light S reflected from the face mirror 136 of the first light guide module 126 and the second light guide module 128 with
Reference light R can enter the second polarization spectroscope 140 of spectral module 124, and from the same side of the second polarization spectroscope 140 towards same
Project in one direction.In other words, the second polarization spectroscope 140 is to be received in the first light guide module 126 and the second light guide module
The signal light S and reference light R of 128 face mirror reflection, wherein signal light S penetrate the second polarization spectroscope 140, and reference light R is in the
Two polarization spectroscopes 140 reflect.
First light shield device 132 is arranged in signal light S light path, and positioned at positioned at the first polarization spectroscope 138 and the
Between one light guide module 126.First light shield device 132 is used to shaded portions signal light S so that pass through the first light shield device 132
Signal light S be hollow form.Light convergence module 142 is arranged in reference light R light path, and positioned at the first polarization spectroscope 138
Between the second polarization spectroscope 140.
Light restrains module 142 to restrain reference light R, wherein the sectional area of the reference light R after convergence corresponds to hollow form
Signal light S hollow region sectional area so that signal light S surrounds reference light R.In addition, light convergence module 142 includes focal length
Lens 143 and short focus lens 144, and one of long focus lens 143 and short focus lens 144 are located at the first polarization spectroscope
138 and second light guide module 128 face mirror 136 between, and another be located at the second light guide module 128 face mirror 136 and second
Between polarization spectroscope 140.
/ 2nd wave plates 130 are arranged at the side of spectral module 124, and in reference light R light path so that pass through
The reference light R and signal light S of 1/2 wave plates 130 have identical polarization state.Specifically, 1/2nd wave plates 130 are set
It is placed in the side of the second polarization spectroscope 140, and size the cutting corresponding to the reference light R after convergence of 1/2nd wave plates 130
Area.
In under this configuration, from the signal light S of directive spatial light modulator 102 of light shape control module 122 and matching somebody with somebody for reference light R
Put mode and surround reference light R for signal light S, wherein reference light R is located at signal light S centre, as shown in Figure 2.It is described below to incite somebody to action
The light path to signal light S and reference light R is further described respectively.
In signal light S light path, signal light S will sequentially pass through spectral module 124 from after the injection of light source module 120
First polarization spectroscope 138, the first light shield device 132, the face mirror 136 of the first light guide module 126, the second of spectral module 124
Polarization spectroscope 140, then directive spatial light modulator 102.
Signal light S polarization state the first polarization spectroscope 138 of correspondence so that signal light S can penetrate the first polarization spectro
Mirror 138, and the first light shield device of directive 132.When signal light S is by the first light shield device 132, part signal light S will be because of
The blocking of first light shield device 132 and can not pass through so that signal light S light shape be hollow form, as shown in Figure 2.Then, signal
Light S is in the reflection of face mirror 136 of the first light guide module 126 and the second polarization spectroscope of directive 140.Similarly, signal light S polarization
State the second polarization spectroscope 140 of correspondence so that signal light S can penetrate the second polarization spectroscope 140, and the light modulation of directive space
Device 102.
In reference light R light path, reference light R will sequentially pass through spectral module 124 from after the injection of light source module 120
First polarization spectroscope 138, the long focus lens 143 of light convergence module 142 and short focus lens 144, the face of the second light guide module 128
The second polarization spectroscope 140 and 1/2nd wave plates 130 of mirror 136, spectral module 124, then directive spatial light modulator
102。
Reference light R polarization state the first polarization spectroscope 138 of correspondence so that reference light R is anti-in the first polarization spectroscope 138
Penetrate, and the long focus lens 143 of directive.When reference light R is by long focus lens 143, reference light R is by convergence and the guide-lighting mould of directive second
The face mirror 136 of block 128.Then, reference light R reflects in face mirror 136, and directive short focus lens 144.In long focus lens 143 with it is short
In the configuration of focus lens 144, on the focuses of long focus lens 143 and short focus lens 144 is co-located.Therefore, as reference light R
During directive short focus lens 144, reference light R can be first converged in the focus of short focus lens 144 because being restrained by long focus lens 143,
So that turning into a branch of directional light and the second polarization spectroscope of directive 140 by the reference light R of short focus lens 144.Similarly, refer to
Light R polarization state the second polarization spectroscope 140 of correspondence so that reference light R reflects in the second polarization spectroscope 140, and directive two
/ mono- wave plate 130.Because the signal light S and reference light R that are projected from light source module 120 polarization state are orthogonal, therefore work as
After reference light R is by 1/2nd wave plates 130, signal light S and reference light R will have identical polarization state.It is inclined as reference light R
After polarization state is converted, reference light R is by directive spatial light modulator 102.
In summary, in present embodiment, light source module 120 penetrates polarization state orthogonal signal light S and reference light R
To light shape control module 122, wherein the spectral module 124 of light shape control module 122 by signal light S and reference light R polarization
State is isolated so that signal light S and reference light R can be modulated respectively.After signal light S and reference light R completes to modulate, ginseng
Light R is examined to be surrounded by signal light S and be located at signal light S centre, and signal light S is overlapping with reference light R-portion.Then, complete to adjust
The signal light S and reference light R of system are again from the directive spatial light modulator 102 of light shape control module 122.
Fig. 4 is refer to, Fig. 4 is the configuration schematic diagram of the second embodiment of the full figure stocking system according to the present invention.This
The difference of embodiment and first embodiment is, the light convergence module 142 in present embodiment comprising lens pillar 170 with
172。
When the reference light R projected from light shape control module 122 is spherical wave, in order that being penetrated from light shape control module 122
The light beam gone out has Optimal Parameters, and the reference light R of spherical wave pattern can have difference respectively in vertical and horizontal both direction
The depth of focus.Here, Optimal Parameters meaning is, in write-in program of the full figure stocking system to disc, what disc was written into
Spacing between the page and the page can be adjusted and reach stationary value.For different background conditions, such as lens quality
Or disc quality, the page spacing condition being written on the disc of data is also different.And for the different spacing of condition, can be with
Through adjustment reference light R vertical and horizontal both direction the depth of focus so that reference light R conditional parameter and the page of disc
Interplanar distance can be matched, and then increase the stiffness of system of full figure stocking system.
In present embodiment, the quantity of the lens pillar of light convergence module 142 is two, i.e. lens pillar 170 and column
Lens 172, and the focus direction of lens pillar 170 and lens pillar 172 is orthogonal.Therefore, when reference light R is through single
During lens pillar 170, one of direction of reference light R light shape can be restrained.Then, when reference light R passes through another post
During shape lens 172, another direction of the light shape of reference light can be restrained, and this two orthogonal by convergent direction.
In other words, after reference light R is through lens pillar 170 and lens pillar 172, reference light R can have on one group of orthogonal direction
There are the different depths of focus.It is described below to be further described the light shape to the reference light R in present embodiment.
It refer to Fig. 5 and Fig. 6 A to Fig. 6 C.Fig. 5 is that the light shape of the reference light projected from the light shape control module in Fig. 4 is shown
It is intended to.Fig. 6 A to Fig. 6 C are the reference light in Fig. 5 in the plane of incidence schematic diagram of diverse location.In Fig. 5, reference light R is through light shape control
Projected after the completion of molding block 122 (see Fig. 4) modulation, wherein the reference light R projected from light shape control module 122 is in the z-direction
Transmission.
It is the same as those described above, the reference light R in present embodiment has the different depths of focus on one group of orthogonal direction, wherein
This group of orthogonal direction includes x directions and y directions.In other words, i.e. reference light R has different focusing deep in x directions from y directions
Degree.
In Fig. 5, when reference light R is transferred to coordinate z=z1Position when, reference light R is focused in y-direction, and in x directions
On do not focus on, its light shape be distributed as shown in Figure 6A.When reference light R is transferred to coordinate z=z2When, reference light R is in y directions and x side
All do not focus on upwards, but now reference light R light shape has minimum round dot distribution, its light shape is distributed as shown in Figure 6B.Work as ginseng
Examine light R and be transferred to coordinate z=z3When, it is focused in the x direction, and is not focused in y-direction, and its light shape is distributed such as Fig. 6 C institutes
Show.
That is, the light shape control module of the present invention is surrounded on ginseng except signal light and reference light are configured into signal light
Outside the pattern for examining light, also the depth of focus of reference light is modulated to through light convergence module on one group of orthogonal direction to have not
The same depth of focus so that the light beam projected from light shape control module has Optimal Parameters.
Fig. 7 is refer to, Fig. 7 is the configuration schematic diagram of the 3rd embodiment of the full figure stocking system according to the present invention.This
The difference of embodiment and first embodiment is that the polarization spectroscope quantity in present embodiment is one.
In present embodiment, spectral module 124 includes the first polarization spectroscope 138.First polarization spectroscope 138 is to connect
Receive signal light S from light source module 120 and reference light R, wherein signal light S penetrates the first polarization spectroscope 138 and directive the
One light guide module 126, reference light R is in the second light guide module of directive 128 after the reflection of the first polarization spectroscope 138.
First light guide module 126 includes the quarter-wave plate 146 of face mirror 136 and first.Face mirror 136 will be to will be inclined from first
The signal light S that the spectroscope 138 that shakes is penetrated is reflected back the first polarization spectroscope 138.First quarter-wave plate 146 is arranged at face mirror
136 and first between polarization spectroscope 138.In addition, the first light shield device 132 is located at the quarter-wave plate of face mirror 136 and first
Between 146.
Second light guide module 128 includes the quarter-wave plate 148 of curved mirror 152 and second.Curved mirror 152 is to will be from
The reference light R of the reflection of one polarization spectroscope 138 is reflected back the first polarization spectroscope 138.In present embodiment, curved mirror 152 is
Concave mirror, concave mirror is to provide parallel incident convergence of rays in its focus (that is, the focus of concave mirror).Two or four/
One wave plate 148 is arranged between the polarization spectroscope 138 of curved mirror 152 and first.
Light convergence module 142 includes convergence lens 150.Restrain lens 150 be located at the first polarization spectroscope 138 and two/
Between one wave plate 130.In addition, the focus and the focus of curved mirror 152 of convergence lens 150 are co-located so that through curved surface
The convergent light beam of mirror 152 will accordingly converge at the focus of convergence lens 150.
In under this configuration, because the quantity of polarization spectroscope is one so that the component Configuration in light shape control module 122
Can be more close, and then reduce the volume of light shape control module 122.In addition, being adjusted from the directive spatial light of light shape control module 122
The signal light S and reference light R of device 102 processed configuration mode still maintain signal light S to surround reference light R.It is described below will be right respectively
The light path of signal light S and reference light R in present embodiment are further described.
In signal light S light path, signal light S will sequentially pass through spectral module 124 from after the injection of light source module 120
First polarization spectroscope 138, the first quarter-wave plate 146, the first light shield device 132, the face mirror of the first light guide module 126
136th, the first polarization spectroscope 138 of the first light shield device 132, the first quarter-wave plate 146, spectral module 124, is then penetrated
To spatial light modulator 102.
Signal light S polarization state the first polarization spectroscope 138 of correspondence so that signal light S can penetrate the first polarization spectro
Mirror 138, and the first quarter-wave plate of directive 146.After signal light S is by the first quarter-wave plate 146, signal light S's
Polarization state can produce 90 degree of phase transformation.Then, when signal light S is by the first light shield device 132, part signal light S will be because of
The blocking of first light shield device 132 and can not pass through so that signal light S light shape be hollow form.The signal light S of hollow form then at
The face mirror 136 of first light guide module 126 reflects, and the first quarter-wave plate of directive 146.When signal light S is again by first
After quarter-wave plate 146, signal light S polarization state can produce 90 degree of phase transformation again, now, pass through the first quarter-wave
Signal light S of the signal light S of the piece 146 twice polarization state with being projected from light source module 120 polarization state differs 180 degree.Therefore,
After signal light S is returned and enters the first polarization spectroscope 138, signal light S can reflect in the first polarization spectroscope 138, and penetrate
To spatial light modulator 102.
In reference light R light path, reference light R, will be sequentially by spectral module 124 from after the injection of light source module 120
The first polarization spectroscope 138, the second quarter-wave plate 148, the second light guide module 128 curved mirror the 152, the 2nd 4/
One wave plate 148, the first polarization spectroscope 138, light restrain the wave plate 130 of convergence lens 150 and 1/2nd of module 142, then
Directive spatial light modulator 102.
Reference light R polarization state the first polarization spectroscope 138 of correspondence so that reference light R is anti-in the first polarization spectroscope 138
Penetrate, and the second quarter-wave plate of directive 148.After reference light R is by the second quarter-wave plate 148, reference light R polarization
State can produce 90 degree of difference, and directive curved mirror 152.Then, reference light R is in after the reflection of curved mirror 152, again by second
Quarter-wave plate 148 so that reference light R polarization state can produce 90 degree of difference again, now, pass through the second a quarter
Reference light R of the reference light R of the wave plate 148 twice polarization state with being projected from light source module 120 polarization state differs 180 degree.Cause
This, after reference light R is returned and enters the first polarization spectroscope 138, reference light R can penetrate the first polarization spectroscope 138, and penetrate
To convergence lens 150.After reference light R is by restraining lens 150, reference light R will converge to a branch of directional light, and two points of directive
One of wave plate 130.Similarly, because the signal light S and reference light R that are projected from light source module 120 polarization state are orthogonal, because
This is after reference light R is by 1/2nd wave plate 130, and signal light S and reference light R will have identical polarization state.As reference light R
After 1/2nd wave plates 130, reference light R is by directive spatial light modulator 102.
It is the same as those described above, in order that the light beam projected from light shape control module 122 has Optimal Parameters, the ginseng of spherical wave pattern
The different depths of focus can be had in vertical and horizontal both direction by examining light R.Therefore, in some embodiments, curved mirror
152 have different focal positions in horizontal direction and vertical direction.So that the reference light R reflected through curved mirror 152 exists
There is the different depths of focus on one group of orthogonal direction.
It refer to Fig. 8.Fig. 8 is that reference light is carried out when reference light is located at the center of coaxial-type full figure stocking system
The schematic diagram of disc write-in.
When center transmittings of the reference light R from coaxial-type full figure stocking system, in the write-in program of disc 116,
Due to the reference light R that the reference light R of correspondence disc 116 center is low-angle1, therefore full figure stocking system will have it is relatively low
Displacement sensitivity.Here, the reference light R of low-angle1In angle be reference light R1Angle between the optical axis of object lens 115,
For example as reference light R1It is the reference light R to approach during vertical incidence disc1Angle between the optical axis of object lens 115 levels off to zero
Degree.In addition, displacement sensitivity meaning is the discriminating degree between the write-in page 164 and 165 of disc 116.When coaxial-type full figure
When the displacement sensitivity of stocking system is higher, there can be nearer spacing between the write-in page 164 and 165 of disc 116.Change speech
It, when the displacement sensitivity of coaxial-type full figure stocking system is lower, the spacing of the write-in page 164 and 165 of disc 116 also can
Correspondence increase.
Furthermore, in the case of there is nearer spacing between the write-in page 164 and 165, coaxial-type full figure stocking system
The information that disc 116 can be write also corresponds to increase.That is, when the displacement sensitivity increase of coaxial-type full figure stocking system, together
Shaft type full figure stocking system can carry out the write-in program of more big data quantity to disc 116.
In addition, in reference light R light distribution, as the reference light R of low-angle1Occupy overall reference light R ratios
When lower, coaxial-type full figure stocking system is by with higher displacement sensitivity.Furthermore, the condition of displacement sensitivity is also corresponded to
The background environment condition of coaxial-type full figure stocking system, wherein background environment condition for example shake or disc quality.And work as background
When environmental condition is permitted, through the displacement sensitivity of adjustment coaxial-type full figure stocking system, it can further increase coaxial-type complete
As write-in data volume of the stocking system to disc 116.
Referring to Fig. 9 and Figure 10.Fig. 9 is the configuration of the 4th embodiment of the full figure stocking system according to the present invention
Schematic diagram.Figure 10 is the plane of incidence schematic diagram that signal light is launched with reference light from Fig. 9 full figure light emission module.Present embodiment
It is with the difference of the 3rd embodiment, the full figure light emission module in present embodiment further includes the second light shield device 134.
In Fig. 9, the full figure light emission module 118 in present embodiment further includes the second light shield device 134, wherein second hides
Optical assembly 134 is arranged between the quarter-wave plate 148 of curved mirror 152 and second.Therefore, when reference light R passes through the second shading
During component 134, part reference light R will can not pass through because of the blocking of the second light shield device 134 so that reference light R light shape
For hollow form.In other words, the reference light R after being modulated through light shape control module 122 has hollow light distribution.Further, since
First light shield device 132 is arranged between the first quarter-wave plate 146 and face mirror 136, therefore signal light S still keeps hollow
Shape, wherein the signal light S and reference light R launched from light shape control module 122 the plane of incidence is as shown in Figure 10.In Figure 10, signal
The light S plane of incidence represents that the reference light R plane of incidence is represented with vertical line with horizontal line, wherein horizontal line and vertical line overlap
Region is the signal light S region overlapping with reference light R.Similarly, Figure 10 is only schematic diagram, is not used to limit the signal of the present invention
Light S and reference light R configuration mode, signal light S is also likely to be overlapping with outer boundaries with inboard boundary respectively with reference light R.
In under this configuration, reference light R has hollow light distribution, therefore reduces the reference light R of low-angle1(see
Fig. 8) occupy overall reference light R ratio so that the displacement sensitivity lifting of full figure stocking system.Due to full figure stocking system
Displacement sensitivity is lifted, and also therefore full figure stocking system can carry out the write-in journey of more big data quantity to disc 116 (see Fig. 1)
Sequence.
In addition, when the first light shield device 132 is identical with the area of the second light shield device 134, signal light S divides with reference light R
The not area that is blocked in light path by the first light shield device 132 and the second light shield device 134 also can be identical.In other words, light source is worked as
When module 120 provides the signal light S and reference light R of identical energy, signal light S and reference light R is because being blocked and the energy of reduction
Also can be identical.Therefore, though the signal light S modulated through light shape control module 122 (please with different incident areas from reference light R
See Figure 10), but signal light S and reference light R has identical energy.That is, the signal light modulated through light shape control module 122
S and reference light R energy ratio ratio is 1.
In addition, in some embodiments, it is empty when full figure stocking system writes to the same position of disc 116
Between optical modulator 102 provide reference light R there are multiple polarization states, wherein this multiple polarization state is orthogonal.That is, work as full figure
When stocking system 100 carries out the write-in of data to the same position of disc 116, reference light R is produced through spatial light modulator 102
Raw phase-modulation so that the orthogonal reference light R of phase with one another can be by the same position of the data Ji Lu discs 116 of the different pages
Put.In other words, phase-modulation is produced to reference light R through spatial light modulator 102, the position of full figure stocking system can be adjusted
Move sensitivity so that adjacent or same position the page is the reference light R write-ins through quadrature phase, and then increases disc
116 storage data volume.
Figure 11 is refer to, Figure 11 is the configuration schematic diagram of the 5th embodiment of the full figure stocking system according to the present invention.
The difference of present embodiment and the 4th embodiment is, the signal light S that the light source module 120 in present embodiment is provided with
Reference light R has the hollow light distribution of identical, (between the light source module 120 and light shape control module 122 as depicted in Figure 11
Shaded side), and the first light shield device 132 and the second light shield device 134 (see Fig. 9) are replaced with this hollow light distribution.This
Outside, in order that schema will not be excessively complicated, signal light S and reference light R into spectral module 124 only illustrate the outside of light beam
Boundary.
In under this configuration, by the signal light S provided from light source module 120 is identical with reference light R energy, therefore enter
Identical energy can also be had by entering the signal light S and reference light R of light shape control module 122.Also therefore, through light shape control module
The signal light S and reference light R of 122 modulation have identical energy, and signal light S and reference light R energy ratio ratio is 1.
Figure 12 is refer to, Figure 12 is the configuration schematic diagram of the 6th embodiment of the full figure stocking system according to the present invention.
The difference of present embodiment and the 3rd embodiment is that the first light shield device 132 in present embodiment is located at light source module
Between 120 and spectral module 124.
In under this configuration, because the first light shield device 132 is located at the first polarization of light source module 120 and spectral module 124
Between spectroscope 138, thus signal light S and reference light R enter the first polarization spectroscope 138 in first time before will first pass through the
One light shield device 132.When signal light S and reference light R are by the first light shield device 132, part signal light S and part reference light
R will can not pass through because of the blocking of the first light shield device 132 so that signal light S and reference light R light shape is hollow form.Connect
, in the follow-up light paths of reference light R, convergence lens 150 restrain reference light R so that reference light R is except by signal light S bags
Enclose, reference light R also has hollow light distribution.
In addition, in some embodiments, light shape control module 122 further includes active rotating mechanism 154.Active turn
Motivation structure 154 connects the second light guide module 128, wherein active rotating mechanism 154 is directed to back spectral module 124 to adjust
Reference light R incident angle.For example, in present embodiment, active rotating mechanism 154 connects the second light guide module
128 curved mirror 152, and the first polarization spectroscope of spectral module 124 is reflexed to adjust reference light R from curved mirror 152
138 incident angle.
Be same as it is foregoing, due to when reference light R directives disc 116 (see Fig. 8) carry out write-in program when, the reference of low-angle
Light R1(see Fig. 8) declines the displacement sensitivity for causing full figure stocking system.Therefore, by the master for being connected to curved mirror 152
Dynamic formula rotating mechanism 154, the incident angle that reference light R is incident to the first polarization spectroscope 138 can be controlled.In other words, join
Examine light R to be controlled from the incident angle of the directive spatial light modulator 102 of light shape control module 122, and then adjust full figure storage
The displacement sensitivity of deposit system.Furthermore, when the same position of disc 116 is incident (for example, different angles using the light beam of different condition
Degree) when, this same position can note down the data of the different pages of two or more simultaneously.
Figure 13 is refer to, Figure 13 is the configuration schematic diagram of the 7th embodiment of the full figure stocking system according to the present invention.
The difference of present embodiment and the 6th embodiment is that the second light guide module 128 in present embodiment includes level crossing 156
With condenser lens 158.
In present embodiment, the second light guide module includes level crossing 156, the quarter-wave plate of condenser lens 158 and second
148.Level crossing 156 is reflected back the first polarization spectroscope 138 to the reference light R that will be reflected from the first polarization spectroscope 138.It is poly-
Focus lens 158 are arranged between the polarization spectroscope 138 of level crossing 156 and first, to restrain reference light R, wherein condenser lens
158 have different focal positions in horizontal direction and vertical direction.Second quarter-wave plate 148 is arranged at level crossing
156 and first between polarization spectroscope 138.
It is the same as those described above, has different focusing deep on one group of orthogonal direction when the reference light R depth of focus is modulated into
When spending, the light beam projected from light shape control module 122 has Optimal Parameters.Therefore, by condenser lens 158 is set, by the
Reference light R after the guiding of two light guide modules 128 has different focal positions in horizontal direction and vertical direction.
Similarly, in present embodiment, active rotating mechanism 154 can also be connected to the flat of the second light guide module 128
Face mirror 156, to adjust the incident angle that reference light R reflexes to the first polarization spectroscope 138 from level crossing 156, and then adjusts complete
As the displacement sensitivity of stocking system.
Figure 14, Figure 15 A and Figure 15 B are please seen simultaneously.Figure 14 is the 8th implementation of the full figure stocking system according to the present invention
The configuration schematic diagram of mode.Figure 15 A and Figure 15 B are respectively the schematic elevation view and schematic side view of the filtering assembly in Figure 14.
The difference of present embodiment and first embodiment is that the full figure stocking system 100 in present embodiment further includes optical filtering group
Part 160, wherein filtering assembly 160 are arranged at the position between correspondence spectrophotometric unit 104 and object lens 114 in reference light R light path.
When full figure stocking system 100 performs reading program, full figure stocking system 100 can launch reference light R to disc
116, and occur the light beam after diffraction as reading light in disc 116 using reference light R.However, working as has part reference light R not turned
When changing diffraction light into, this part reference light R will return to full figure stocking system 100 after disc 116 reflects, and as noise light D.
However, after reference light R is modulated via full figure light emission module 118, according to different designs, reference light R can be various forms of
Wave mode.For example, divergent spherical wave, plane wave or convergence spherical wave.Regardless of whether being any waveform, reference light R is anti-in disc 116
In light path after penetrating, the state for being focused into a dot all there are.That is, in order to prevent noise light D from causing shadow to reading program
Ring, filtering assembly 160 can be designed to be arranged on noise light D focal position.
In present embodiment, full figure stocking system 100 is exemplified by providing the reference light R of convergence spherical wave.Say for convenience
Bright, Figure 14 is to have the signal light S and reference light R launched from full figure light emission module 118.It is the same as those described above, when full figure stocking system
During 100 execution reading program, part reference light R can turn into noise light D in the position of disc 116, and this noise light D can be in position P1
Focusing on turns into a bit.Therefore, the filtering assembly 160 in present embodiment is arranged at this position P1.That is, filtering assembly 160
Between dichroic beam splitter 112 and object lens 114.
In Figure 15 A and Figure 15 B, filtering assembly 160 includes the quarter-wave plate 149 of polarizer 162 and the 3rd.Polarizer
162 pass through to provide the reference light R from spectrophotometric unit 104.3rd quarter-wave plate 149 is arranged on polarizer 162,
Wherein polarizer 162 is towards the side of correspondence spectrophotometric unit 104 in reference light R light path.
In other words, polarizer 162 corresponds to the signal light S and reference light R launched from full figure light emission module 118 so that
Signal light S and reference light R advances in light path from full figure light emission module 118 can be by filtering assembly toward the direction of disc 116
160 polarizer 162, therefore the setting of filtering assembly 160 will not produce influence to write-in program.In addition, when reference light R passes through
, can be because by the 3rd quarter-wave plate 149 during filtering assembly 160, and polarization state is had 90 degree of difference.
Then, for the noise light D in reading program, full figure stocking system is reflected back from disc 116 in noise light D
In 100 light path, noise light D can be again by filtering assembly 160.Because the polarizer 162 of filtering assembly 160 is directed towards light path
The side of middle correspondence spectrophotometric unit 104, therefore noise light D traveling is sequentially by the 3rd quarter-wave plate 149 and polarization
Piece 162.When noise light D is by three quarter-wave plates 149, its polarization state can produce 90 degree of difference.That is, now
Reference light R of the noise light D polarization state with launching from full figure light emission module 118 polarization state has differing for 180 degree, from entirely
Under conditions of the reference light R that picture light emission module 118 is launched can be by polarizer 162, this noise light D is by because of 180 degree
Differ and polarizer 162 can not be passed through.Therefore, through filtering assembly 160 is set, noise light D traveling can be by filtering assembly 160
Interrupt, and then reduce noise when full figure stocking system 100 is read out program.
Figure 16 is refer to, Figure 16 is the configuration schematic diagram of the 9th embodiment of the full figure stocking system according to the present invention.
The difference of present embodiment and the 8th embodiment is that the position of the filtering assembly 160 in present embodiment corresponds to lens
Combination 106.
In present embodiment, lens combination 106 includes the first lens 108 and the second lens 110, wherein from spectrophotometric unit
104 signal light S and reference light R will sequentially pass through the first lens 108 and the second lens 110.
In present embodiment, full figure stocking system 100 is by taking the reference light R for providing divergent spherical wave as an example.In under this configuration,
Noise light D can be between the first lens 108 and the second lens 110 position P2Focusing on turns into a bit.Therefore, in present embodiment
Filtering assembly 160 be arranged at this position P2.That is, filtering assembly 160 is located between the first lens 108 and the second lens 110.
Similarly, the polarizer 162 (see Figure 15) of filtering assembly 160 towards spectrophotometric unit 104, that is, polarizer 162 is towards
One lens 108, and the 3rd quarter-wave plate 149 (see Figure 15) second lens 110 of direction.Therefore, when noise light D is back to
Full figure stocking system 100, and from the second lens 110 advance toward the first lens 108 when, noise light D traveling can be by filtering assembly
160 block, and then reduce noise when full figure stocking system 100 is read out program.
In summary, the full figure stocking system of the present invention includes full figure light emission module, wherein full figure light emission module bag
Containing light source module and light shape control module.Light source module is to provide signal light and reference light, and light shape control module will be that will interrogate
Number light is separated with reference light, and signal light is modulated respectively with reference light.So that the signal launched from full figure light emission module
Light has the configuration of signal light encirclement reference light with reference light, and signal light has roughly the same energy with reference light.Furthermore,
When program is read out, most energy can be switched to reference light by full figure stocking system so that full figure stocking system
Reading result to disc is more accurate.Led in addition, full figure light emission module also provides the reference light of hollow light shape with being connected second
The active rotating mechanism of optical module, uses the displacement sensitivity of adjustment full figure stocking system.In addition, full figure stocking system
Also filtering assembly is included, as the traveling for interrupting noise light, the reading program of full figure stocking system is produced with eliminating noise light
Influence.
Although the present invention is disclosed above with embodiment, so it is not limited to the present invention, any to be familiar with this skill
Person, without departing from the spirit and scope of the invention, when can make various changes with retouching, therefore the present invention protection domain ought
It is defined depending on the rear attached claim person of defining.
Claims (19)
1. a kind of full figure light emission module, comprising a light source module, to provide a signal light and a reference light, the signal light with
The polarization state of the reference light is mutually orthogonal；And a smooth shape control module, to receive the signal light from the light source module
With the reference light, and the signal light and the reference light modulated via the light shape control module after project, from the light shape control module
The reference light projected is surrounded and is located in the middle of the signal light by the signal light, and the signal light partly overlaps with the reference light,
It is characterized in that：One spectral module, to receive the signal light from the light source module and the reference light, and by the signal light
With being projected after reference light guiding；One first light guide module, to receive the signal light from the spectral module, and this is interrogated
Number light guide leads back the spectral module；One second light guide module, to receive the reference light from the spectral module, and this is joined
Examine light guide and lead back the spectral module, wherein being directed to back the signal light of the spectral module and the reference light from the spectral module
Project in the same direction the same side；/ 1st wave plate, is arranged at the side of the spectral module, and positioned at the light of the reference light
Lu Shang so that the signal light by the reference light of 1/2nd wave plate with having identical polarization state；One first shading group
In part, the light path for being arranged at the signal light, to the shaded portions signal light so that pass through the signal of first light shield device
Light is hollow form；And one light convergence module, be arranged in the light path of the reference light, to restrain the reference light, wherein restraining
The sectional area of reference light afterwards corresponds to the sectional area of the hollow region of the signal light so that the signal light surrounds the reference light.
2. full figure light emission module according to claim 1, it is characterised in that：Wherein first light guide module with this second
Light guide module includes a face mirror respectively, and the spectral module is included, one first polarization spectroscope, and the light source die is come to receive
The signal light of block and the reference light, wherein the signal light penetrate first polarization spectroscope and directive first light guide module it
The face mirror, the reference light is in the face mirror of directive second light guide module after first polarization spectroscope reflection；And one second
Polarization spectroscope, to be received in first light guide module with the signal light of the face mirror reflection of second light guide module with being somebody's turn to do
Reference light, wherein the signal light penetrate second polarization spectroscope, and the reference light reflects in second polarization spectroscope；
Wherein first light shield device is located between first polarization spectroscope and first light guide module, light convergence module position
Between first polarization spectroscope and second polarization spectroscope.
3. full figure light emission module according to claim 2, it is characterised in that：Wherein light convergence module includes a focal length
Lens and a short focus lens, and one of the long focus lens and the short focus lens be located at first polarization spectroscope with this
Between the face mirror of two light guide modules, and another be located at second light guide module the face mirror and second polarization spectroscope it
Between.
4. full figure light emission module according to claim 2, its feature exists
In：Wherein light convergence module includes an at least lens pillar.
5. full figure light emission module according to claim 4, its feature exists
In：Wherein the quantity of an at least lens pillar is two, and the focus direction of those two lens pillars is orthogonal.
6. full figure light emission module according to claim 1, its feature exists
In：Wherein the spectral module includes one first polarization spectroscope, to receive the signal light from the light source module with
The reference light, wherein the signal light penetrate first polarization spectroscope, and the reference light reflects in first polarization spectroscope, wherein
First light guide module is included, a face mirror, the signal light will be penetrated from first polarization spectroscope be reflected back this first
Polarization spectroscope；And one first quarter-wave plate, it is arranged between the face mirror and first polarization spectroscope.
7. full figure light emission module according to claim 6, its feature exists
In：Wherein first light shield device is located between the face mirror and first quarter-wave plate.
8. full figure light emission module according to claim 6, its feature exists
In：Wherein first light shield device is located between the light source module and the spectral module.
9. full figure light emission module according to claim 6, its feature exists
In：Wherein light convergence module includes a convergence lens, and the wherein convergence lens are located at first polarization spectroscope and should
Between 1/2nd wave plates.
10. full figure light emission module according to claim 6, its feature
It is：Wherein second light guide module includes a curved mirror, to will be from the reference of the first polarization spectroscope reflection
Light is reflected back first polarization spectroscope；And one second quarter-wave plate, it is arranged at the curved mirror and first polarization point
Between light microscopic.
11. full figure light emission module according to claim 10, its feature
It is：Wherein second light guide module includes one second light shield device, is arranged at the curved mirror and second a quarter
Between wave plate.
12. full figure light emission module according to claim 10, its feature
It is：Wherein the curved mirror has different focal positions respectively in horizontal direction and vertical direction.
13. full figure light emission module according to claim 6, its feature
It is：Wherein second light guide module includes a level crossing, to will be from the reference of the first polarization spectroscope reflection
Light is reflected back first polarization spectroscope；One condenser lens, is arranged between the level crossing and first polarization spectroscope, is used to
The reference light is restrained, the wherein condenser lens has different focal positions in horizontal direction and vertical direction；And one
Two quarter-wave plates, are arranged between the level crossing and first polarization spectroscope.
14. full figure light emission module according to claim 1, its feature
It is：Wherein the light shape control module further includes an active rotating mechanism, connects second light guide module, the wherein master
Incident angle of the dynamic formula rotating mechanism to adjust the reference light for being directed to back the spectral module.
15. full figure light emission module according to claim 1, its feature
It is：The signal light that wherein light source module is provided has the hollow light distribution of identical with the reference light.
16. a kind of full figure stocking system, it is characterised in that：Launch mould comprising the full figure light as described in claim any one of 1-15
Block；One spatial light modulator, receives the signal light and the reference light that the full figure light emission module is provided；One light splitting list
Member；One lens combination；One dichroic beam splitter；One object lens, the wherein spatial light modulator launch the signal light towards the spectrophotometric unit
And the reference light, and the signal light and the reference light sequentially pass through the lens combination, the two colors light splitting from the spectrophotometric unit
After mirror and the object lens, the disc of directive one；And a filtering assembly, it is arranged in the light path of the reference light to should spectrophotometric unit
With the position between the object lens, and comprising a polarizer, passed through to provide the reference light from the spectrophotometric unit；And one
3rd quarter-wave plate, is arranged on the polarizer, wherein the polarizer towards in the light path of the reference light to should light splitting
The side of unit.
17. full figure stocking system according to claim 16, its feature exists
In：Wherein the filtering assembly is located between the dichroic beam splitter and the object lens.
18. full figure stocking system according to claim 16, its feature exists
In：Wherein the lens combination includes one first lens and one second lens, wherein the signal light from the spectrophotometric unit
And the reference light, sequentially by first lens and second lens, the wherein filtering assembly is located at first lens with being somebody's turn to do
Between second lens.
19. full figure stocking system according to claim 16, its feature exists
In：Wherein when the full figure stocking system writes to the same position of the disc, what the spatial light modulator was provided
Reference light has a plurality of polarization states, and wherein those polarization states are orthogonal.
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| CN1774748A (en) * | 2004-03-09 | 2006-05-17 | 三星电子株式会社 | Hologram memory medium, and recording device and reproducing device |
| CN1790495A (en) * | 2004-10-05 | 2006-06-21 | 索尼株式会社 | Hologram recording device and hologram recording method |
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| CN1774748A (en) * | 2004-03-09 | 2006-05-17 | 三星电子株式会社 | Hologram memory medium, and recording device and reproducing device |
| CN1790495A (en) * | 2004-10-05 | 2006-06-21 | 索尼株式会社 | Hologram recording device and hologram recording method |
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