CN109581652A - A kind of optical optical tweezers system based on magnetic liquid distorting lens - Google Patents
A kind of optical optical tweezers system based on magnetic liquid distorting lens Download PDFInfo
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- CN109581652A CN109581652A CN201811547947.9A CN201811547947A CN109581652A CN 109581652 A CN109581652 A CN 109581652A CN 201811547947 A CN201811547947 A CN 201811547947A CN 109581652 A CN109581652 A CN 109581652A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
- G02B26/0825—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a flexible sheet or membrane, e.g. for varying the focus
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- G—PHYSICS
- G02—OPTICS
- 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
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0927—Systems for changing the beam intensity distribution, e.g. Gaussian to top-hat
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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
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- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
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Abstract
The invention discloses a kind of optical optical tweezers system based on magnetic liquid distorting lens, which includes: laser generator, magnetic liquid distorting lens and sampling mechanism；The laser difference directive magnetic liquid deformation mechanism and sampling mechanism that laser generator issues, present invention is primarily based on magnetic liquid distorting lens to the controllable property of light beam, such as convergent beam can will be converted to by the laser of magnetic liquid distorting lens, bessel beam etc., a kind of method of no pixelation is provided by control magnetic liquid distorting lens to realize the capture and manipulation of particle, this can effectively be combined with the application of optical tweezer.The convergence of light beam, integer and movement may be implemented by the control to magnetic liquid distorting lens mirror surface face type with lower cost in the present invention, to achieve the effect that while capture and manipulating particle.
Description
Technical field
The invention belongs to adaptive optics and optical control technical field, are related to a kind of optical tweezer system based on magnetic liquid distorting lens
System.
Background technique
Optical optical tweezers system is a kind of optical system that particle is moved using ligh trap.Conventional optical optical tweezers system is by high-NA
Object lens assemble by force laser progress, and when laser convergence is stronger, the gradient force of ligh trap is bigger, are more conducive to fetter particle.
Magnetic liquid distorting lens is a kind of wavefront correction device, and wave-front corrector is the primary element of adaptive optical technique again.In adaptive optical
Real time correction and control are carried out to light wave using wave-front corrector in technology, so that optical system be made to adapt to external environment automatically
Variation, realize and reach the imaging capability or accurate beam steering capacity of diffraction limit.Relative to existing wavefront correction instrument
Device, the LCD space light modulator used as can only only modulate axial polarised light.And magnetic liquid distorting lens is not this
Limitation, it provides a kind of method of no pixelation, and the advantage good, at low cost with performance, is embodied in laser
There is no limit magnetic fluid surface is very smooth so that it does not need polishing treatment, and its support system is exactly a letter
Single container, this not only substantially reduces the cost of modification mirror, it is ensured that modification mirror has perfect surface optical quality.
Utilize the adjustable controllability of magnetic liquid distorting lens.For example, axicon face can be formed by control mirror surface to make incidence
Laser is changed into bessel beam.Leading to common optical tweezer light field is Gaussian Profile, and the cross section of light beam is solid, section
The Gaussian Profile gradually weakened centered on intensity to edge.By control magnetic liquid distoring mirror type change incident beam light field come
Generate Bezier light field.Due to the operating distance of microcobjective and the limitation of Gaussian beam divergence characterization, Gaussian-shaped beam optical tweezer
Manipulation distance in longitudinal direction, usually not more than 100 μm.Bessel beam is a kind of Beams, and light beam is in communication process
In will not dissipate.Advantage based on magnetic liquid distorting lens in optical tweezer application, the present invention solve that optical optical tweezers system is expensive to ask
Topic, and the system is easy to extend, and is effectively reduced and improves being incremented by for structure brought by performance requirement and cost.Become using magnetic liquid
Light beam needed for shape mirror generates, and the movement of light beam can be realized by control magnetic liquid distorting lens, it provides and directly controls light beam
The method for capture particle simultaneously and move.
Summary of the invention
The object of the present invention is to provide a kind of optical tweezers based on magnetic liquid distorting lens that can reduce cost and be easy to extend
The meeting of light beam may be implemented by the control to magnetic liquid distorting lens mirror surface using the adjustable controllability of magnetic liquid distorting lens in system
It is poly-, integer and movement, it will be able to preferably realize and ligh trap is controlled.
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of optical optical tweezers systems based on magnetic liquid distorting lens, comprising: swashs
Optical generator, microscope group mechanism, magnetic liquid distorting lens and sampling mechanism, the laser that the laser generator issues via microscope group mechanism at
Directive magnetic liquid distorting lens is managed, is observed after the laser of magnetic liquid distorting lens is converted to required light beam again by microscope group mechanism directive
Mechanism, the sampling mechanism are also made while completing observation work according to beam information and being controlled to adjust to magnetic liquid distorting lens.
In the above scheme, the application that optical tweezer is realized based on magnetic liquid distorting lens, is a kind of based on adaptive optical technique
New optical optical tweezers system, expensive to solve traditional optical tweezer, structure is complicated, the problems such as there are certain requirements to laser, passes through magnetic liquid
Distorting lens provides a kind of method of no pixelation to generate and move optical tweezer light beam.
As advanced optimizing for above scheme, the microscope group mechanism includes the first lens, the second lens, reflecting mirror, the
Three lens, the 4th lens, half-reflecting half mirror, bandpass filter and the 5th lens, first lens, the second lens and reflecting mirror
It is sequentially arranged in the front of laser generator, the laser that first lens and the cooperation of the second lens issue laser generator expands
Big to mirror surface size is suitble to, collimated laser beam is reflected on the direction of magnetic liquid distorting lens by the reflecting mirror, the magnetic liquid deformation
Light beam is converted to after required light beam directive reflecting mirror again by mirror, and it is saturating that the required light beam of the reflecting mirror reflection passes sequentially through third
It is projected on Wavefront sensor after mirror, half-reflecting half mirror, the 4th lens and bandpass filter, institute's light requirement of the reflecting mirror reflection
Beam has half to project along the reflected light path of half-reflecting half mirror when passing through half-reflecting half mirror, the reflected light path of the half-reflecting half mirror
Diameter is equipped with the 5th lens, and focuses of the light beam on sample stage.
In the above scheme, which projects light beams upon specified ground by the cooperation of each lens and reflecting mirror
Side greatly shortens optical path length due to using reflecting mirror and half-reflecting half mirror, is conducive to improve precision, has saved cost, together
When due to shortening optical path length, entire microscope group mechanism can be fixedly mounted in harness, it is carry-on simultaneously, also save
About each experiment when debug time of microscope group, improve conventional efficient.
As advanced optimizing for above scheme, the sampling mechanism includes lighting source, enlarging objective, infrared filtering
Piece, ccd image sensor, computer, Wavefront sensor and data collecting card, the lighting source are being set to half-reflecting half mirror just
Lower section is successively arranged enlarging objective, infrared fileter and ccd image sensor, the CCD figure right above be set forth in sample stage
As sensor and computer electric connection, the computer and data collecting card are electrically connected, and the ccd image sensor will connect
The light beam received is converted to digital information and is transferred to computer completion observation work, and the data collecting card and driving coil have electrical property
Connection, the Wavefront sensor and computer, which are equipped with, to be electrically connected, and the Wavefront sensor is used for computer Real-time Feedback magnetic
The mirror surface information of liquid distorting lens.
In the above scheme, required light beam is thrown by the cooperation of lighting source, enlarging objective and infrared fileter
It is mapped to ccd image sensor, ensure that the validity for receiving light beam, computer is completed to see according to the information of ccd image sensor
Work, the mirror surface information of Wavefront sensor real-time monitoring magnetic liquid distorting lens are examined, and then monitoring data are transmitted to computer, is calculated
Machine is compared according to the mirror surface information and actually required mirror surface information of the magnetic liquid distorting lens of receiving, and is controlled according to contrast difference
Data collecting card processed is modified the mirror surface of magnetic liquid distorting lens.
As advanced optimizing for above scheme, the magnetic liquid distorting lens includes Maxwell's coil, magnetic liquid, reflection
Film and driving coil, middle is equipped with driving coil in the Maxwell's coil, fills magnetic liquid in the driving coil
Body, the magnetic liquid liquid surface cover one layer of reflective film, and the driving coil is corresponding according to the command information of data collecting card
Transformation magnetic field make magnetic liquid generate need mirror surface face type, the reflective film be used for improve magnetic liquid surface it is anti-
Penetrate rate.
In the above scheme, the optical optical tweezers system based on magnetic liquid distorting lens, compared with traditional optical optical tweezers system, in the mobile behaviour of particle
On work, it can be therefore particularly suited for seeing particulate samples by the movement of the mobile realization ligh trap of liquid mirror surface face type
It surveys and operation, Wavefront sensor is transferred to computer according to the Lighting information received, computer is in data collecting card and wavefront
Under the cooperation of sensor, image observation and magnetic liquid distorting lens mirror surface closed-loop control are completed.
As advanced optimizing for above scheme, the sample stage is placed on three-shaft displacement platform, and the 5th lens are placed in
In two axle position moving stage；The laser generator is used for the laser of the adjustable infrared band of output power；The half-reflecting half mirror is used
In coupled laser optical path and illumination path；The band pass filter is used to filter out the light other than optical maser wavelength used, especially passes through
Visible light after the half-reflecting half mirror reflection, reduces the interference to Wavefront sensor, and the infrared filter is sharp for filtering
Light light beam.
In the above scheme, sample stage is placed on three-shaft displacement platform, and for the fine tuning of sample stage, and the 5th lens are placed in two
Focal length of lens point is enabled to change on shaft platform, to achieve the purpose that change illumination, the half-reflecting half mirror and band being equipped with
Pass filter piece ensure that light beam can be interference-free is irradiated to each sensor.
Detailed description of the invention
Fig. 1 shows the structural schematic diagram of the embodiment of the present invention
Fig. 2 shows the partial enlargement structural representations in magnetic liquid distorting lens
In figure, laser generator 1, the first lens 2, the second lens 3, reflecting mirror 4, magnetic liquid distorting lens 5, the third lens 6, half
Anti- pellicle mirror 7, the 4th lens 8, band pass filter 9, Wavefront sensor 10, lighting source 11, the 5th lens 12, sample stage 13,
Enlarging objective 14, infrared fileter 15, ccd image sensor 16, computer 17, data collecting card 18, Maxwell's coil 51,
Magnetic liquid 52, reflective film 53, driving coil 54.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, right below by attached drawing and embodiment
The present invention is further elaborated.However, it should be understood that specific embodiment described herein is only used to explain this hair
Range that is bright, being not intended to restrict the invention.
Refering to fig. 1-2, the present invention provides a kind of optical optical tweezers systems based on magnetic liquid distorting lens, comprising: laser generator 1,
Microscope group mechanism, magnetic liquid distorting lens 5 and sampling mechanism, the laser that laser generator 1 issues handle directive magnetic liquid via microscope group mechanism
Distorting lens 5, magnetic liquid distorting lens 5 generate axicon face by by laser be converted to bessel beam after again by microscope group mechanism
Directive sampling mechanism, sampling mechanism are also made controlling magnetic liquid distorting lens 5 while completing observation work according to beam information and be adjusted
Section；Optical tweezer is realized based on magnetic liquid distorting lens 5, is a kind of new optical optical tweezers system based on adaptive optical technique, to solve tradition
The problems such as optical tweezer is expensive, and structure is complicated, and laser is needed by polarization, and magnetic liquid distorting lens provides a kind of no pixelation
Method, being adjusted control to light beam by magnetic liquid distorting lens 5 makes to meet optical optical tweezers system requirement.
Microscope group mechanism includes the first lens 2, the second lens 3, reflecting mirror 4, the third lens 6, the 4th lens 8, half-reflection and half-transmission
Mirror 7, bandpass filter 9 and the 5th lens 12, wherein the first lens 2, the second lens 3 and reflecting mirror 4 are sequentially arranged in laser
The laser that laser generator 1 issues is expanded to suitable mirror surface size by the front of device 1, the first lens 2 and the second lens 3, instead
It penetrates mirror 4 collimated laser beam is reflected on the direction of needs, the third lens 6, half-reflecting half mirror 7, the 4th lens 8 and bandpass filter
Piece 9 is sequentially arranged on the reflected light path of reflecting mirror 4, finally projects collimated light beam on Wavefront sensor 10, and light beam passes through
There is half to change optical path when half-reflecting half mirror 7, and be equipped with the 5th lens 12 on the reflected light path of half-reflecting half mirror 7, and will
Light beam focuses on sample stage 13；The microscope group mechanism projects light beams upon specified ground by the cooperation of each lens and reflecting mirror
Side, conducive to precision is improved, has saved cost due to greatly shortening optical path length using reflecting mirror 4 and half-reflecting half mirror 7,
Simultaneously because shortening optical path length, entire microscope group mechanism can be fixedly mounted in harness, it is carry-on simultaneously,
The time for debugging microscope group when each experiment has been saved, conventional efficient is improved.
Sampling mechanism includes lighting source 11, enlarging objective 14, infrared fileter 15, ccd image sensor 16, computer
17, Wavefront sensor 10 and data collecting card 18, lighting source 11 is set to the underface of half-reflecting half mirror 7, in sample stage 13
Surface is successively arranged enlarging objective 14, infrared fileter 15 and ccd image sensor 16, ccd image sensor 16 and calculating
Machine 17 is electrically connected, and computer 17 and data collecting card 18 are electrically connected, and the light beam of receiving is converted to by ccd image sensor 16
Digital information is transferred to computer 17, and computer 17 completes observation work according to the information of ccd image sensor 16；Data acquisition
Card 18 has electric connection with driving coil 54, and Wavefront sensor 10 and computer 17 have electric connection for real-time to computer 17
Feed back the mirror surface information of magnetic liquid distorting lens 5；It will be required by the cooperation of lighting source 11, enlarging objective 14 and infrared fileter 15
The light beam wanted projects ccd image sensor 16, ensure that the validity for receiving light beam, and computer 17 is according to pre-set programs by wave
The information control data capture card 18 that the transmission of front sensor 10 comes.
Magnetic liquid distorting lens 5 includes 53 driving coil 54 of Maxwell's coil 51, magnetic liquid 52 and reflective film, Mike
Middle is equipped with driving coil 54 in this Wei coil 51, fills magnetic liquid 52 in driving coil 54, Maxwell's coil 51 exists
Its internal invention uniform magnetic field, realizes the big stroke control of magnetic liquid distorting lens, and driving coil 54 is according to the letter of data collecting card 18
The corresponding transformation magnetic field of breath makes magnetic liquid 52 generate the face type needed, and 52 surface of magnetic liquid liquid covers one layer of reflective film
53；Based on the optical optical tweezers system of magnetic liquid distorting lens 5, compared with traditional optical optical tweezers system, in particle moving operation, since magnetic liquid deforms
The mirror feature controllable to light beam can realize the movement of ligh trap by the variation of liquid mirror surface face type, therefore especially suitable
Together in being observed and operating to particulate samples, Wavefront sensor 10 is passed according to the mirror surface information of the magnetic liquid distorting lens 5 received
It is handed to computer 17, computer 17 completes image observation and magnetic under the cooperation of data collecting card 18 and Wavefront sensor 10
The 5 mirror surface closed-loop control of liquid distorting lens.
Sample stage 13 is placed on three-shaft displacement platform, and the 5th lens 12 are placed in two axle position moving stage；Laser generator 1 is for defeated
The laser of the infrared band of power adjustable out；Half-reflecting half mirror 7 is used for coupled laser optical path and illumination path；Band pass filter 9
For filtering out the light other than optical maser wavelength used, the especially visible light after the reflection of half-reflecting half mirror 7, reduce to wavefront sensing
The interference of device 10；Infrared filter 15 is for filtering laser beam；Sample stage 13 is placed on three-shaft displacement platform, for sample stage
Fine tuning, and the 5th lens 12 are placed on two shaft platforms and focal length of lens point are enabled to change, to reach the mesh for changing illumination
, the half-reflecting half mirror 7 and band pass filter 9 being equipped with ensure that light beam can be interference-free is irradiated to each sensor.
Working principle: 1 outgoing laser beam of laser generator, laser beam first focuses after the first lens 2 dissipates injection again
Laser beam is expanded to the size of suitable mirror surface and is incident upon on reflecting mirror 4 by the second lens 3, the second lens 3, and reflecting mirror 4 is by light
Beam, which reflexes to, to be covered with the 52 surface back reflection of magnetic liquid of reflective film 53 and forms required light beam, which is emitted back towards reflective mirror 4,
Light beam is injected the third lens 6 by reflective mirror 4, and the third lens 6 first focus light beam to be scattered again, and light beam has the light of half before focusing
Beam reflexes to the 5th lens 12 by half-reflecting half mirror 7, and the light beam that the 5th lens 12 will inject into, which focuses, injects sample stage 13, sample stage
13 are located on the focal length of the 5th lens 12, inject after light beam penetrates the 5th lens 12 and dissipate and all inject enlarging objective 14, light
Beam injects infrared fileter 15 after passing through enlarging objective 14, and infrared fileter 15 filters infrared beam, and lighting source 11 issues
Light beam focus on sample stage 13 by the 5th lens 12 after half-reflecting half mirror 7 after, penetrated after object lens 14 and infrared filter 15
Enter ccd image sensor 16, optical signalling is converted to digital signal and is transferred to computer 17 by ccd image sensor 16, is calculated
Machine 17 obtains observed information and completes observation work；
After half-reflecting half mirror 7, remaining half light beam is perforated through half-reflecting half mirror 7 and injects the 4th thoroughly required light beam
Light beam is converted to directional light and injects bandpass filter by mirror 8, the 4th lens 8, and bandpass filter only allows the light beam needed to pass through
And Wavefront sensor 10 is injected, Wavefront sensor 10 obtains the mirror surface face type information of magnetic liquid distorting lens 5 according to optical information and passes
It is handed to computer 17, computer 17 believes the mirror surface of the mirror surface information of the magnetic liquid distorting lens 5 and the magnetic liquid distorting lens 5 of actual demand
Breath compares, and computer 17 issues command information according to pre-set programs and then in real time to data collecting card 18, to adjust driving
Coil 54,52 mirror surface of magnetic liquid required for obtaining, thus at the closed loop control of 5 mirror surface of image observation and magnetic liquid distorting lens
System.
Only presently preferred embodiments of the present invention is not intended to limit the invention, all in the spirit and principles in the present invention
Within made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of optical optical tweezers system based on magnetic liquid distorting lens, comprising: laser generator (1), microscope group mechanism, magnetic liquid distorting lens (5)
And sampling mechanism, it is characterised in that: the laser that the laser generator (1) issues is via the processing directive magnetic liquid deformation of microscope group mechanism
Mirror (5), again by microscope group mechanism directive sampling mechanism, institute after the laser of magnetic liquid distorting lens (5) is converted to required light beam
It states also to make while sampling mechanism completes observation work according to beam information and magnetic liquid distorting lens (5) is controlled to adjust.
2. the optical optical tweezers system according to claim 1 based on magnetic liquid distorting lens, it is characterised in that: the magnetic liquid distorting lens
(5) based on the advantage controllable to light beam, incident laser can be such as changed by adjusting the mirror surface face type of magnetic liquid distorting lens
Focus on light beam and bessel beam etc..
3. the optical optical tweezers system according to claim 1 based on magnetic liquid distorting lens, it is characterised in that: the microscope group mechanism includes
First lens (2), the second lens (3), reflecting mirror (4), the third lens (6), the 4th lens (8), half-reflecting half mirror (7), band logical
Optical filter (9) and the 5th lens (12), first lens (2), the second lens (3) and reflecting mirror (4) are sequentially arranged in laser hair
The laser that the front of raw device (1), first lens (2) and the second lens (3) cooperation issue laser generator (1) expands
To suitable mirror surface size, collimated laser beam is reflected on magnetic liquid distorting lens (5) by the reflecting mirror (4), the magnetic liquid distorting lens
(5) light beam is converted to after required light beam directive reflecting mirror (4) again, the required light beam of reflecting mirror (4) reflection successively leads to
Wavefront sensor (10) are projected after crossing the third lens (6), half-reflecting half mirror (7), the 4th lens (8) and bandpass filter (9)
On, the required light beam of reflecting mirror (4) reflection has half along the reflection of half-reflecting half mirror (7) when passing through half-reflecting half mirror (7)
Light path projects, and the reflected light path of the half-reflecting half mirror (7) is equipped with the 5th lens (12), and the 5th lens (12) will
Light beam focuses on sample stage (13).
4. the optical optical tweezers system according to claim 1 based on magnetic liquid distorting lens, it is characterised in that: the sampling mechanism includes
Lighting source (11), enlarging objective (14), infrared fileter (15), ccd image sensor (16), computer (17), wavefront pass
Sensor (10) and data collecting card (18), the lighting source are set to the underface of half-reflecting half mirror (7), be set forth in sample stage
(13) enlarging objective (14), infrared fileter (15) and ccd image sensor (16), the CCD figure are successively arranged right above
As sensor (16) and computer (17) electric connection, the computer (17) and data collecting card (18) are electrically connected, described
The light beam of receiving is converted to digital information and is transferred to computer (17) by ccd image sensor (16), computer (17) root
Observation work is completed according to the information of ccd image sensor (16), the Wavefront sensor (10) and computer (17) are equipped with electrically
Connection, the mirror surface face type letter for the magnetic liquid distorting lens (5) that the Wavefront sensor (10) monitors to computer (17) Real-time Feedback
Breath, the data collecting card (18) and driving coil have electric connection, and the computer (17) transmits Wavefront sensor (10)
The mirror surface face type information of magnetic liquid distorting lens (5) and the mirror surface face type information of magnetic liquid distorting lens (5) of actual demand compare,
The computer (17) issues revision directive to data collecting card (18) according to pre-set programs, makes data collecting card (18) completion pair
The mirror surface profile control of magnetic liquid distorting lens (5).
5. the optical optical tweezers system according to claim 1 based on magnetic liquid distorting lens, it is characterised in that: the magnetic liquid distorting lens
It (5) include Maxwell's coil (51), magnetic liquid (52), reflective film (53) and driving coil (54), the Maxwell
Coil (51) interior middle is equipped with driving coil (54), fills magnetic liquid (52) on the driving coil (54), magnetic liquid liquid
(52) surface covers one layer of reflective film (53), and the driving coil (54) is corresponding according to the command information of data collecting card (18)
Transformation magnetic field make magnetic liquid (52) to generate the mirror surface face type needed, the reflective film (53) is for improving magnetic liquid
(52) surface reflectivity.
6. the optical optical tweezers system according to claim 2 based on magnetic liquid distorting lens, it is characterised in that: the sample stage (13) is set
In on three-shaft displacement platform, the 5th lens (12) are placed in two axle position moving stage.
7. the optical optical tweezers system according to claim 2 based on magnetic liquid distorting lens, it is characterised in that: the laser generator
(1) for emitting the laser of the adjustable infrared band of output power.
8. the optical optical tweezers system according to claim 2 based on magnetic liquid distorting lens, it is characterised in that: the half-reflecting half mirror
(7) coupled laser optical path and illumination path are used for.
9. the optical optical tweezers system according to claim 2 based on magnetic liquid distorting lens, it is characterised in that: the band pass filter
(9) for filtering out the light other than optical maser wavelength used, reduce the interference to Wavefront sensor.
10. the optical optical tweezers system according to claim 3 based on magnetic liquid distorting lens, it is characterised in that: the infrared filter
(15) for filtering laser beam.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811547947.9A CN109581652A (en) | 2018-12-18 | 2018-12-18 | A kind of optical optical tweezers system based on magnetic liquid distorting lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811547947.9A CN109581652A (en) | 2018-12-18 | 2018-12-18 | A kind of optical optical tweezers system based on magnetic liquid distorting lens |
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| CN109581652A true CN109581652A (en) | 2019-04-05 |
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| CN201811547947.9A Pending CN109581652A (en) | 2018-12-18 | 2018-12-18 | A kind of optical optical tweezers system based on magnetic liquid distorting lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112987321A (en) * | 2021-03-22 | 2021-06-18 | 中国科学院光电技术研究所 | Method and device for generating high-power vortex laser |
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| US20040256542A1 (en) * | 2003-06-19 | 2004-12-23 | Fuji Photo Film Co., Ltd. | Optical tweezer device |
| CN1659935A (en) * | 2002-04-10 | 2005-08-24 | 阿尔利克斯公司 | Apparatus and method to generate and control optical traps to manipulate small particles |
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| CN1659935A (en) * | 2002-04-10 | 2005-08-24 | 阿尔利克斯公司 | Apparatus and method to generate and control optical traps to manipulate small particles |
| US20040256542A1 (en) * | 2003-06-19 | 2004-12-23 | Fuji Photo Film Co., Ltd. | Optical tweezer device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112987321A (en) * | 2021-03-22 | 2021-06-18 | 中国科学院光电技术研究所 | Method and device for generating high-power vortex laser |
| CN112987321B (en) * | 2021-03-22 | 2022-08-02 | 中国科学院光电技术研究所 | Method and device for generating high-power vortex laser |
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