CN106526837B - The arbitrarily mobile device and method of multifocal three-dimensional is realized using column vector beam - Google Patents
The arbitrarily mobile device and method of multifocal three-dimensional is realized using column vector beam Download PDFInfo
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- CN106526837B CN106526837B CN201610998476.8A CN201610998476A CN106526837B CN 106526837 B CN106526837 B CN 106526837B CN 201610998476 A CN201610998476 A CN 201610998476A CN 106526837 B CN106526837 B CN 106526837B
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/006—Manipulation of neutral particles by using radiation pressure, e.g. optical levitation
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Abstract
The invention discloses realize the arbitrarily mobile device and method of multifocal three-dimensional using column vector beam, column vector beam passes through amplitude modulaor and phase-modulator respectively, carry amplitude information and phase information, then light beam is focused by high numerical aperture lens, multiple focuses can be obtained in burnt field areas, and each the geometry of focus, polarization state distribution are identical with field distribution.By loading specific amplitude information and phase information on column vector beam, each focal point may be implemented in specific position in burnt field areas；By loading dynamic amplitude information and phase information on column vector beam, it can be achieved that multiple focuses are moved by scheduled track in three dimensions.The method of the present invention is easy to implement, and apparatus structure is simple, is easy to adjust, manufacturing cost is low；Device stability is good, does not need other special optical elements.
Description
Technical field
The present invention relates to the regulation and control of the tightly focused characteristic of column vector beam, belong to the burnt field engineering field of light field, especially
The arbitrarily mobile device and method of multifocal three-dimensional is realized using column vector beam.
Background technology
1986, Ashkin et al. researchs found contactlessly manipulate micro-nano Jie using high NA focus single beam
Plasmid, this single-beam optical capture are referred to as optical tweezer technology.The controllable various micro-nano particles of optical tweezer technology from atom, divide
Son arrives cell, and has a wide range of applications in fields such as physics, chemistry, biologies.The operation principle of optical tweezer is to utilize
Distribution of light intensity spatial variations formed gradient force micro-nano it is particle-stabilised capture in light intensity most strength, i.e. the focus position of light beam
It sets.In order to obtain sufficiently large gradient force, can by micro-nano it is particle-stabilised be strapped in light field potential well, light beam is needed through excessively high
Lens numerical aperture focuses.When laser beam is after high numerical aperture lens focus, if can make focus movement that can manipulate
The micro-nano particle of capture moves together, and realizes and is manipulated to the real-time dynamic of micro-nano particle.
In recent years, column vector beam causes people and more and more pays close attention to.Vector beam refers to that synchronization is same
Different location has the light field of different polarization states distribution in wave surface.Vector beam has specific polarisation distribution, Jiao Chang tools
There is special optical field distribution.The polarization state regulation of vector beam has also shown unique advantage in optical tweezer technology.Such as it is tight
The gradient force that radial polarisation light possesses bigger than linearly polarized light is focused, and scattering force is not present in the direction of the optical axis；And tightly gather
Burnt angularly polarized light can capture the refractive index micro-nano bubble smaller than surrounding medium.
In order to which the capture and manipulation efficiency, researchers that improve micro-nano particle pass through the amplitude to incident beam, polarization state
Regulated and controled to achieve the purpose that with phase to regulate and control Jiao Chang.Such as column vector beam is adjusted using diffraction optical element
Control can generate multiple focus [S.Yan, B.Yao, W.Zhao and M.Lei, " Generation of in burnt field areas
multiple spherical spots with a radially polarized beam in a 4Pi focusing
system,”J.Opt.Soc.Am.A 27(9),2033–2037(2010).]；Using 4Pi systems and phase-plate, spherical shape is realized
Particle in three dimensions translation [Z.Li, S.Yan, B.Yao, M.Lei, B.Ma, P.Gao, D.Dan and R.Rupp,
“Theoretical prediction of three-dimensional shifting of a spherical focal
spot in a 4Pi focusing system,”J.Opt.14(5),055706(2012).].However, up to the present, also
There is no document report that can realize the arbitrary movement to multifocal in three dimensions.
Design realizes the arbitrarily mobile method and device of multifocal three-dimensional using column vector beam, can exist as needed
Burnt field areas generates multifocal, can also realize arbitrary movement of the multifocal in three dimensions.The present invention is aobvious in optical tweezer, Photobiology
There is boundless application value in the technologies such as micro- imaging and photoetching.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention is provided to be realized using column vector beam
The arbitrarily mobile device and method of multifocal three-dimensional is changed burnt by the hologram of Loading Control amplitude information and phase information
The number of point and position.
Technical solution：To achieve the above object, the technical solution adopted by the present invention is：It is realized using column vector beam more
The arbitrarily mobile device of focus three-dimensional, which is characterized in that including be arranged in order light source, the space light modulation of transmission-type amplitude type
Device, transmission-type phase type spatial light modulator, high numerical aperture lens；It shakes with what transmission-type amplitude type spatial light modulator was connect
Width controller, the phase controller being connect with transmission-type phase type spatial light modulator；
The light source sends out column vector beam to transmission-type amplitude type spatial light modulator, and vector beam vertically enters successively
After penetrating transmission-type amplitude type spatial light modulator, transmission-type phase type spatial light modulator and high numerical aperture lens, obtain burnt
Point；
Distribution of amplitudes of the transmission-type amplitude type spatial light modulator for regulating and controlling column vector beam；The transmission-type
Phase distribution of the phase type spatial light modulator for regulating and controlling column vector beam；The high numerical aperture lens are used for tightly focused
Light beam generates focus；The amplitude controller is used to be loaded with the hologram of amplitude information；The phase controller, for adding
Carrier has the hologram of phase information.
Further, regulate and control number of focus and each by regulating and controlling amplitude information and the phase information of column vector beam
Focal point is in the position of three dimensions.
Further, the geometry of the focus, polarization state distribution are identical with field distribution.
Realize that the focus mobility method of the arbitrarily mobile device of multifocal three-dimensional, this method include using column vector beam
Following steps：
The column vector beam of generation is passed sequentially through transmission-type amplitude type spatial light modulator and transmission-type phase by light source
Type spatial light modulator；Amplitude controller projects hologram in amplitude type spatial light modulator, and the hologram is attached to amplitude
Information, phase controller project hologram on phase type spatial light modulator, and the hologram is attached to phase information.With three
The amplitude information of dimension space position coordinates and the column vector beam of phase information obtain after high numerical aperture lens focus
Multiple focuses；
The amplitude information expression formula loaded in transmission-type amplitude type spatial light modulator is：
The phase information expression formula loaded on transmission-type phase type spatial light modulator is：
Wherein：
(ρ, φ) is the radially and angularly coordinate under polar coordinate system；
M is the number of focus generated；
For the space displacement vector of i-th of focus；
For the space displacement vector of j-th of focus；
For wave vector；
By loading corresponding hologram in transmission-type amplitude type spatial light modulator (2), column vector beam is controlled
Amplitude information, obtain multiple focuses；
By loading corresponding hologram on transmission-type phase type spatial light modulator (3), column vector beam is controlled
Phase information, obtain the focus of translation.
Advantageous effect：The present invention foundation prior art is on the basis of generating column vector beam, by vector beam
Amplitude modulation and phase-modulation are carried out, high numerical aperture lens tightly focused is then used, multiple focuses can be obtained in burnt field areas,
And the geometry of each focus, polarization state distribution are identical with field distribution.It is loaded in amplitude tune by dynamic regulation
The information of device and phase-modulator processed can arbitrarily move the position of each focus in burnt field areas, change vector beam in real time
Amplitude information and phase information enable to multiple focuses to be moved in three dimensions by certain track.The method of the present invention is held
It easily realizes, apparatus structure is simple, is easy to adjust, manufacturing cost is low；Device stability is good, does not need other special optics members
Part.
Description of the drawings
Fig. 1 is apparatus of the present invention structural schematic diagram；
Fig. 2 is the hologram loaded on transmission-type phase type spatial light modulator in the specific embodiment of the invention one；
Fig. 3 is the three-dimensional Field distribution of focal plane figure obtained in the specific embodiment of the invention one；
Fig. 4 is transmission-type amplitude type spatial light modulator and phase type spatial light modulator in the specific embodiment of the invention two
The hologram of upper load；
Fig. 5 is the three-dimensional Field distribution of focal plane figure obtained in the specific embodiment of the invention two.
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1 to realize the arbitrarily mobile method of multifocal three-dimensional using column vector beam, including light source 1, thoroughly
Penetrate formula amplitude type spatial light modulator 2, transmission-type phase type spatial light modulator 3, high numerical aperture lens 4, amplitude controller 5
With phase controller 6.
Column vector beam is generated according to the prior art, incident column vector beam 1 passes through transmission-type amplitude type successively
Spatial light modulator 2 and phase type spatial light modulator 3.The projecting holographic in amplitude type spatial light modulator of amplitude controller 5
Figure, the hologram are attached to amplitude information, and phase controller 6 projects hologram on phase type spatial light modulator, described complete
The subsidiary phase information of breath figure.Column vector beam with special amplitude and phase information is after high numerical aperture lens focus
Obtain multifocal.
It can be obtained by the amplitude information and phase information that change light beam in real time and moved by particular track in three dimensions
Multifocal obtains the Field distribution of focal plane of real-time change.
The present invention is practical to can be achieved two functions：When translation focus, second is that generating multiple focuses.Below in conjunction with the accompanying drawings and
The invention will be further described for embodiment.
Embodiment one：
If only translating focus, it is only necessary to regulate and control the phase information of column vector beam, its amplitude information need not be modulated.
It only needs to load corresponding hologram on transmission-type phase type spatial light modulator 3.For example, by the focus of radial polarisation light
Moving to three-dimensional space position isPlace then loads the holographic graph expression on phase type spatial light modulator
Formula is：
Its phase distribution is as shown in Figure 2.Distribution of the focus in three dimensions as shown in figure 3, radial polarisation light focal spot
Center translation has arrived spatial position coordinatePlace, polarisation distribution of the focus in cross section is radial polarisation point
Cloth, this illustrates that focus is only that center is changed, and any change does not occur for the field distribution of near focal point.
Embodiment two：
By taking three focuses as an example, the radial polarisation light if necessary to input is in three dimensional space coordinate WithPlace generates three focuses, then loads complete in amplitude type spatial light modulator
Ceasing graph expression formula is：
Loading hologram expression formula on phase type spatial light modulator is：
Amplitude and phase distribution of the load on vector beam are as shown in Figure 4.Distribution of the focus in three dimensions such as Fig. 5
Shown, radial polarisation light produces three focuses, and the center of each focus is respectively WithThe embodiment not only creates multifocal, and the center of each focus
It is adjustable, it realizes multifocal three-dimensional arbitrary mobile.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.As changed amplitude and phase information of the load on vector beam in real time, can dynamically grasp
Control the movement locus of focus, and then the fields such as Dynamical capture and PARTICLE TRANSPORT FROM for being used in multiple particles.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (3)
1. realizing the arbitrarily mobile method of multifocal three-dimensional using column vector beam, which is characterized in that realize the dress of this method
Set light source (1), transmission-type amplitude type spatial light modulator (2), transmission-type phase type spatial light modulator including being arranged in order
(3), high numerical aperture lens (4)；The amplitude controller (5) being connect with transmission-type amplitude type spatial light modulator (2) and transmission
The phase controller (6) of formula phase type spatial light modulator (3) connection；
The light source (1) sends out column vector beam to transmission-type amplitude type spatial light modulator (2), and vector beam is vertical successively
Incident transmission formula amplitude type spatial light modulator (2), transmission-type phase type spatial light modulator (3) and high numerical aperture lens
(4) after, focus is obtained；
Distribution of amplitudes of the transmission-type amplitude type spatial light modulator (2) for regulating and controlling column vector beam；The transmission-type
Phase distribution of the phase type spatial light modulator (3) for regulating and controlling column vector beam；The high numerical aperture lens (4) are used for
Tightly focused light beam generates focus；The amplitude controller (5) is used to be loaded with the hologram of amplitude information；The phase controlling
Device (6), the hologram for being loaded with phase information；
Included the following steps using the focus mobility method of the device：
The column vector beam of generation is passed sequentially through transmission-type amplitude type spatial light modulator to light source and transmission-type phase type is empty
Between optical modulator；Amplitude controller projects hologram in amplitude type spatial light modulator, and the hologram is attached to amplitude information,
Phase controller projects hologram on phase type spatial light modulator, and the hologram is attached to phase information；With three-dimensional space
Between the amplitude information of position coordinates and the column vector beam of phase information obtained after high numerical aperture lens focus it is multiple
Focus；
The amplitude information expression formula loaded in transmission-type amplitude type spatial light modulator is：
The phase information expression formula loaded on transmission-type phase type spatial light modulator is：
Wherein：
(ρ, φ) is the radially and angularly coordinate under polar coordinate system；
M is the number of focus generated；
For the space displacement vector of i-th of focus；
For the space displacement vector of j-th of focus；
For wave vector；
By loading corresponding hologram in transmission-type amplitude type spatial light modulator (2), control column vector beam shakes
Width information obtains multiple focuses；
By loading corresponding hologram on transmission-type phase type spatial light modulator (3), the phase of column vector beam is controlled
Position information, obtains the focus of translation.
2. realizing that the arbitrarily mobile method of multifocal three-dimensional, feature exist using column vector beam as described in claim 1
In regulating and controlling number of focus and each focal point in three-dimensional space by the amplitude information and phase information that regulate and control column vector beam
Between position.
3. realizing that the arbitrarily mobile method of multifocal three-dimensional, feature exist using column vector beam as described in claim 1
In the geometry of the focus, polarization state distribution are identical with field distribution.
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| CN109116539B (en) * | 2018-09-11 | 2020-11-06 | 鲁东大学 | Real-time moving control system for optical tweezers |
| CN109783888B (en) * | 2018-12-26 | 2023-02-14 | 南京师范大学 | Method for generating multidimensional controllable photoinduced needle-shaped magnetization field |
| CN113640030B (en) * | 2021-08-25 | 2023-11-14 | 安徽省汉博科技有限公司 | Intensity testing device and method for furniture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103424879A (en) * | 2013-06-07 | 2013-12-04 | 上海理工大学 | Focusing optical system based on single object lens |
| CN104238135A (en) * | 2013-06-17 | 2014-12-24 | 上海理工大学 | Control device for distance between double focuses |
| CN105425401A (en) * | 2015-12-24 | 2016-03-23 | 鲁东大学 | Transverse multi-focus generation device and method |
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| CN103424879A (en) * | 2013-06-07 | 2013-12-04 | 上海理工大学 | Focusing optical system based on single object lens |
| CN104238135A (en) * | 2013-06-17 | 2014-12-24 | 上海理工大学 | Control device for distance between double focuses |
| CN105425401A (en) * | 2015-12-24 | 2016-03-23 | 鲁东大学 | Transverse multi-focus generation device and method |
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