CN205581465U - Near -infrared polymer network liquid crystal phase modulator's curing system - Google Patents
Near -infrared polymer network liquid crystal phase modulator's curing system Download PDFInfo
- Publication number
- CN205581465U CN205581465U CN201620413614.7U CN201620413614U CN205581465U CN 205581465 U CN205581465 U CN 205581465U CN 201620413614 U CN201620413614 U CN 201620413614U CN 205581465 U CN205581465 U CN 205581465U
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- polymer network
- crystal phase
- network liquid
- light source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a near -infrared polymer network liquid crystal phase modulator's curing system, include: solidification light source, solidification equipment: to solidify the polymer network liquid crystal phase modulator department emergence space homogenizing that the light source decomposes and treating solidification, the liquid crystal cell: an effect is accomplished down and is solidified that is used for the splendid attire to make near -infrared polymer network liquid crystal phase modulator's material, at the solidification equipment to form near -infrared polymer network liquid crystal phase modulator. The utility model discloses a monochromatic point source that will solidify the light source production comes the polymer network appearance in the controlled polymerization thing network liquid crystal, the stability of monochromatic point source has been utilized, the influence of eliminating its light scattering realizes pure phase modulation, thereby near -infrared polymer network liquid crystal phase modulator's stability has been improved, the stability of its automatically controlled response is improved, and reduce its threshold voltage, extend current liquid crystal phase modulation technique at adaptive optics, optical phased array, the range of application and the degree of depth in fields such as many spectral imaging technique.
Description
Technical field
This utility model relates to liquid crystal phase modulation technique field, specifically refers to the cure system of near-infrared polymer network liquid crystal phase-modulator.
Background technology
Liquid crystal phase modulation technique may be used for LCD space light modulator, liquid crystal tunable optical filter multispectral camera and the field such as liquid crystal optical phased array and tunable waveplate, higher spatial resolution and good control accuracy can be realized, be applied widely in fields such as adaptive optics, optical phased array, multi-optical spectrum imaging technologies.In actual applications, liquid crystal phase modulator limits its range of application and the degree of depth in the response speed of near infrared region, and near-infrared polymer network liquid crystal phase modulation technique is the technology that a kind of comparison is suitable for sub-millisecond response.But, use the sub-millisecond responsive polymer network Liquid Crystal phase-modulator of existing uv cure system and common liquid crystalline materials to there is the impact of the effects such as light scattering, threshold voltage, electrostriction so that its stability is poor with Practical Performance.Existing uv cure system is primarily present the shortcomings such as solidification intensity is relatively low, curing light source energy heat dissipation is serious；The material mixture ratio used in existing preparation method is easily caused the shortcomings such as threshold voltage height and electrostriction, therefore not enough for these, proposes this utility model.
Utility model content
The purpose of this utility model is to provide the cure system of near-infrared polymer network liquid crystal phase-modulator, solve the light scattering that in prior art, polymer network liquid crystal phase-modulator exists, threshold voltage, the problems such as stability, on the premise of ensureing polymer network liquid crystal near infrared region Asia millisecond response performance, the impact eliminating its light scattering realizes phase-only modulation, improve its automatically controlled response stability, and reduce its threshold voltage, expand liquid crystal phase modulation technique at adaptive optics, optical phased array, the range of application in the fields such as multi-optical spectrum imaging technology and the degree of depth.
The purpose of this utility model is achieved through the following technical solutions:
The cure system of near-infrared polymer network liquid crystal phase-modulator, including:
Curing light source: be used for producing monochromater, controls the polymer network pattern in polymer network liquid crystal；
Solidification equipment: carry out curing light source decomposing and generation space homogenizes at polymer network liquid crystal phase-modulator to be solidified；
Liquid crystal cell: for containing the material manufacturing near-infrared polymer network liquid crystal phase-modulator, complete solidification under the effect of solidification equipment, and form near-infrared polymer network liquid crystal phase-modulator.
This utility model controls the polymer network pattern in polymer network liquid crystal by the high intensity produced by curing light source, uniform monochromater, make use of the relatively low and high solidification intensity feature of heat dissipation of this light source, the impact eliminating its light scattering realizes phase-only modulation, thus improve the stability of near-infrared polymer network liquid crystal phase-modulator, improve its automatically controlled response stability, and reduce its threshold voltage, expand the available liquid crystal phase modulation technique range of application in fields such as adaptive optics, optical phased array, multi-optical spectrum imaging technologies and the degree of depth.
Described curing light source uses multiple monochrome photodiode LASER Light Sources arrangement forming array.Further, by the way of using multiple monochrome photodiode LASER Light Sources arrangement forming array, can be polymer network liquid crystal solidification process provide high power density homogenize curing light source, be conducive to the anisotropic holding of polymer network liquid crystal, the elimination of light scatter intensity and the formation of uniform polymeric network Liquid Crystal, thus realize uniform sub-millisecond response near-infrared polymer network liquid crystal phase modulation technique.
Described monochrome photodiode LASER Light Source is as curing light source, and its wavelength is liquid crystal solvent ABSORPTION EDGE and the geometrical mean on photosensitive polymer monomer absorption limit.Further, use monochrome photodiode LASER Light Source as curing light source, its wavelength is liquid crystal solvent ABSORPTION EDGE and the geometrical mean on photosensitive polymer monomer absorption limit, the solidification optical wavelength of this wavelength can produce the temperature rising that minimum photic absorption causes, most beneficial for the formation of homogeneous anisotropy's polymer network.
Described solidification equipment includes microlens array and optical lens, the monochromatic light that curing light source sends is split by space after microlens array, focus on various location on microlens array focal plane, then, after optical lens, at polymer network liquid crystal phase-modulator to be solidified, generation space homogenizes.Further, by using microlens array, and optical lens combination forms solidification equipment, utilize microlens array that light source is diffused, it is then passed through optical lens and carries out mix homogeneously, make to be radiated at uniform light at polymer network liquid crystal phase-modulator to be solidified, homogenize in space, such solidification equipment can be polymer network liquid crystal solidification process provide high power density homogenize curing light source, be conducive to the anisotropic holding of polymer network liquid crystal, the elimination of light scatter intensity and the formation of uniform polymeric network Liquid Crystal, thus realize uniform sub-millisecond response near-infrared polymer network liquid crystal phase modulation technique.
This utility model compared with prior art, has such advantages as and beneficial effect:
The cure system of 1 this utility model near-infrared polymer network liquid crystal phase-modulator, use monochrome photodiode LASER Light Source as curing light source, its wavelength is liquid crystal solvent ABSORPTION EDGE and the geometrical mean on photosensitive polymer monomer absorption limit, the solidification optical wavelength of this wavelength can produce the temperature rising that minimum photic absorption causes, most beneficial for the formation of homogeneous anisotropy's polymer network；
The cure system of 2 this utility model near-infrared polymer network liquid crystal phase-modulators, by using microlens array, and optical lens combination forms solidification equipment, utilize microlens array that light source is diffused, it is then passed through optical lens and carries out mix homogeneously, make to be radiated at uniform light at polymer network liquid crystal phase-modulator to be solidified, homogenize in space, such solidification equipment can be polymer network liquid crystal solidification process provide high power density homogenize curing light source, be conducive to the anisotropic holding of polymer network liquid crystal, the elimination of light scatter intensity and the formation of uniform polymeric network Liquid Crystal, thus realize uniform sub-millisecond response near-infrared polymer network liquid crystal phase modulation technique；
The cure system of 3 this utility model near-infrared polymer network liquid crystal phase-modulators, it is combined by specific formula and technique, make that produces can realize sub-millisecond response liquid crystal phase modulation technique near infrared region for sub-millisecond response near-infrared polymer network liquid crystal phase-modulator, eliminate the light scatter intensity that polymer network liquid crystal is brought when phase-modulation, automatically controlled response instability, the problems such as threshold voltage is higher, be conducive to expanding available liquid crystal phase modulation technique at adaptive optics, optical phased array, the range of application in the fields such as multi-optical spectrum imaging technology and the degree of depth.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by this utility model embodiment, constitutes the part of the application, is not intended that the restriction to this utility model embodiment.In the accompanying drawings:
Fig. 1 population structure of the present utility model schematic diagram；
Fig. 2 is the schematic diagram that in this utility model, curing light source wavelength selects.
Labelling and corresponding parts title in accompanying drawing:
2-liquid crystal cell, 3-solidification equipment, 4-curing light source, 301-microlens array, 302-optical lens, polymer network liquid crystal phase-modulator to be solidified for 7-.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only used for explaining this utility model, are not intended as restriction of the present utility model.
Embodiment
If Fig. 1 is to shown in 2, the cure system of this utility model near-infrared polymer network liquid crystal phase-modulator includes: curing light source 4: be used for producing monochromater, control the polymer network pattern in polymer network liquid crystal, in this fact Example, curing light source 4 uses the arrangement of multiple monochrome photodiode LASER Light Source to constitute regular hexagon, wherein monochrome photodiode LASER Light Source is as curing light source, and its wavelength is liquid crystal solvent ABSORPTION EDGE and the geometrical mean on photosensitive polymer monomer absorption limit；Solidification equipment 3 curing light source 4 carries out decomposing and generation space homogenizes at polymer network liquid crystal phase-modulator to be solidified, wherein solidification equipment 3 includes microlens array 301 and optical lens 302, the monochromatic light that curing light source 4 sends is split by space after microlens array 301, focus on various location on microlens array 301 focal plane, then, after optical lens 302, at polymer network liquid crystal phase-modulator 7 to be solidified, generation space homogenizes；Liquid crystal cell 2: for containing the material manufacturing near-infrared polymer network liquid crystal phase-modulator, complete solidification under the effect of solidification equipment, and form near-infrared polymer network liquid crystal phase-modulator.
The preparation method of near-infrared polymer network liquid crystal phase-modulator, comprises the following steps:
(a) dispensing: weight percent be configured that selection dielectric anisotropy more than 50, viscosity is more than 500mms-1Material as liquid crystal solvent, liquid crystal solvent is more than 90%, and photosensitive polymer monomer 6～8%, remaining is impurity, and in this fact Example, the content of photosensitive polymer monomer is 7.2%；
(b) filler: material step (a) configured is contained in liquid crystal cell 2, and make polymer network liquid crystal phase-modulator 7 to be solidified；
C () solidifies: measure liquid crystal solvent and the absorption spectra of photosensitive polymer monomer the most respectively, determine respective ABSORPTION EDGE, using the geometrical mean on liquid crystal solvent ABSORPTION EDGE and photosensitive polymer monomer absorption limit as the wavelength of curing light source 4 monochromatic optical wave, the monochromatic light that curing light source 4 sends is split by space after microlens array 301, focusing on various location on microlens array 301 focal plane, then after optical lens 302, at polymer network liquid crystal phase-modulator 7 to be solidified, generation space homogenizes.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only detailed description of the invention of the present utility model; it is not used to limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.
Claims (4)
1. the cure system of near-infrared polymer network liquid crystal phase-modulator, it is characterised in that including:
Curing light source (4): be used for producing monochromater, controls the polymer network pattern in polymer network liquid crystal；
Solidification equipment (3): carry out curing light source (4) decomposing and generation space homogenizes at polymer network liquid crystal phase-modulator to be solidified；
Liquid crystal cell (2): for containing the material manufacturing near-infrared polymer network liquid crystal phase-modulator, complete solidification under the effect of solidification equipment, and form near-infrared polymer network liquid crystal phase-modulator.
The cure system of near-infrared polymer network liquid crystal phase-modulator the most according to claim 1, it is characterised in that: described curing light source (4) uses multiple monochrome photodiode LASER Light Source arrangement forming array.
The cure system of near-infrared polymer network liquid crystal phase-modulator the most according to claim 2, it is characterized in that: described monochrome photodiode LASER Light Source is as curing light source, and its wavelength is liquid crystal solvent ABSORPTION EDGE and the geometrical mean on photosensitive polymer monomer absorption limit.
The cure system of near-infrared polymer network liquid crystal phase-modulator the most according to claim 1, it is characterized in that: described solidification equipment (3) includes microlens array (301) and optical lens (302), the monochromatic light that curing light source (4) sends is split by space after microlens array (301), focus on various location on microlens array (301) focal plane, then, after optical lens (302), homogenize in generation space, polymer network liquid crystal phase-modulator (7) place to be solidified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413614.7U CN205581465U (en) | 2016-05-10 | 2016-05-10 | Near -infrared polymer network liquid crystal phase modulator's curing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620413614.7U CN205581465U (en) | 2016-05-10 | 2016-05-10 | Near -infrared polymer network liquid crystal phase modulator's curing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205581465U true CN205581465U (en) | 2016-09-14 |
Family
ID=56856942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620413614.7U Expired - Fee Related CN205581465U (en) | 2016-05-10 | 2016-05-10 | Near -infrared polymer network liquid crystal phase modulator's curing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205581465U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759489A (en) * | 2016-05-10 | 2016-07-13 | 中国工程物理研究院流体物理研究所 | Solidification system and production method of near infrared polymer network liquid crystal phase modulator |
-
2016
- 2016-05-10 CN CN201620413614.7U patent/CN205581465U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759489A (en) * | 2016-05-10 | 2016-07-13 | 中国工程物理研究院流体物理研究所 | Solidification system and production method of near infrared polymer network liquid crystal phase modulator |
| CN105759489B (en) * | 2016-05-10 | 2023-03-24 | 中国工程物理研究院流体物理研究所 | Curing system and preparation method of near-infrared polymer network liquid crystal phase modulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ren et al. | Reconfigurable metasurfaces that enable light polarization control by light | |
| CN102882107B (en) | Method capable of adjusting polarization and intensity of terahertz wave rapidly and continuously | |
| CN106711745A (en) | Wide-tuning and narrow-linewidth nanosecond pulse double-resonance medium-infrared parameter oscillator | |
| CN103944041B (en) | A kind of based on the terahertz emission source of optics parametric effect and optical difference frequency effect | |
| CN205581465U (en) | Near -infrared polymer network liquid crystal phase modulator's curing system | |
| Rong et al. | Polymer-stabilized blue-phase liquid crystal fresnel lens cured with patterned light using a spatial light modulator | |
| Hassan et al. | Third-order optical nonlinearities and optical-limiting properties of phloxine b dye doped pmma films investigated by z-scan technique | |
| CN107069408B (en) | Femtosecond high power supercontinuum generation device and method | |
| CN104201549B (en) | Wavelength space adjustable double-color soliton pulse light source system | |
| CN102702548B (en) | Preparation method of polymer dispersed liquid crystal film with hole and performance testing device | |
| CN108474974A (en) | By optical isotropy liquid formed can automatically controlled optical element, especially lens, and the method for manufacturing the element based on liquid compound | |
| CN102231475B (en) | Method and device for acquiring stimulated Brillouin scattering light with high-fidelity pulse waveforms | |
| CN105759489A (en) | Solidification system and production method of near infrared polymer network liquid crystal phase modulator | |
| Li et al. | Full-aperture random polarization smoothing for a low-coherence laser facility | |
| CN106953224A (en) | Continuous tilt impulse wave face-pumping lithium niobate produces the method and device of THz wave | |
| Penninckx et al. | Impact of FM-AM conversion on smoothing by spectral dispersion | |
| Chai et al. | Research on the growth interfaces of pyramidal and prismatic sectors in rapid grown KDP and DKDP crystals | |
| CN112152065A (en) | Laser pulse spectrum broadening device and laser | |
| Ortuño et al. | Experimental Conditions to Obtain Photopolymerization Induced Phase Separation Process in Liquid Crystal-Photopolymer Composite Materials under Laser Exposure | |
| CN206378647U (en) | A kind of beam shaping modulation piece of focal beam spot Fast Convergent | |
| Deliancourt et al. | Kerr beam auto-selection of a low order mode in graded-index multimode fiber | |
| CN105700157B (en) | Based on the smoothing by spectral dispersion method of compound grating in inertially confinement fusion device | |
| Lin et al. | Wide-band tunable photonic bandgap device and laser in dye-doped liquid crystal refilled cholesteric liquid crystal polymer template system | |
| Yan et al. | Fabrication of multi-focal chalcogenide glass microlens arrays based on femtosecond laser-assisted chemical etching method | |
| Masuda et al. | Two-photon induced chiral mass-transport of azo-polymers as a function of pulse duration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20180510 |