CN204129392U - A kind of liquid crystal base infrared wave beam Polarization Control chip - Google Patents
A kind of liquid crystal base infrared wave beam Polarization Control chip Download PDFInfo
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- CN204129392U CN204129392U CN201420623993.3U CN201420623993U CN204129392U CN 204129392 U CN204129392 U CN 204129392U CN 201420623993 U CN201420623993 U CN 201420623993U CN 204129392 U CN204129392 U CN 204129392U
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Abstract
The utility model discloses a kind of liquid crystal base infrared wave beam Polarization Control chip, comprise chip housing (4) and be positioned at the liquid crystal polarized control structure of array (3) of this chip housing (4); Chip housing (4) is provided with first and drives control signal input port (1), second drives control signal input port (2), 3rd drives control signal input port (5), 4 wheel driven control signal input port (6).After infrared waves enters the liquid crystal polarized control structure of array of chip, turned to beamlet battle array according to the array scale of liquid crystal polarized control structure and arrangement situation by discrete.Liquid crystal molecule under beamlet and controlled electrical field encourage interacts.Liquid crystal base of the present utility model infrared wave beam Polarization Control chip structure is compact, can carry out the automatically controlled structure of infrared wave beam polarization state, solidify or modulation.Have compact conformation, control accuracy is high, easily with conventional infrared optics photoelectric mechanical structure Coupling, and the features such as light field adaptability is good.
Description
Technical field
The utility model belongs to infrared wave beam precision measurement and control technology field, more specifically, relates to a kind of liquid crystal base infrared wave beam Polarization Control chip.
Background technology
Generally speaking, from the infrared radiation of artificial light sources as coherence's laser or multiple cold and hot luminophor outgoing, all there is special polarization state.The infrared light that the polarization of the sun, the earth and other celestial body outgoing is relatively uniform, through atmospheric scattering, reflection, transmission or with other structure of matter effects after, present the fixing polarization form being subject to propagation medium material properties affect and constraint, as typical linear polarization, circular polarization and elliptic polarization etc.The structure of matter of specific modality and energy state, based on the intrinsic resonance response of intrinsic electromagnetism framework to light wave certain electric magnetic vibration orientation, by impact and the electromagnetism polarization behavior retraining light wave, generally presents the fingerprint polarizability that power differs.Research and apply shows, and the undulatory property of its Power supply of infrared origin and the fluctuation of material electromagnetic structure eigenvibration, all will affect the stability of radiation polarisation.The time domain instability of local atmospheric flow field and space-variant, also will weaken the fingerprint polarization characteristic of light wave.Now widely used infrared polarization control measure mainly comprise: (one) is by the infrared wave beam of infrared polarization sheet gating specific polarization orientation; (2) by infrared birefringece crystal, the infrared outgoing beam of special polarization state is obtained; (3) by reflection or the refraction effect of interface, the infrared wave beam of specific advantages polarization orientation is obtained; (4) by coupling multi beam polarized light, the transmission light field with particular space polarisation distribution is obtained; (5) by controlling the multi-beam difference intercoupled, realizing solidifying of compound wave beam polarization state and becoming with fine setting.Since entering the new century, develop the infrared polarization management and control technology of little microminiaturization, flexibly the vector property electric and magnetic oscillation form of structure and modulation wave beam, become an important directions of the infrared wave beam precision measurement of development and control technology, be subject to extensive concern and attention.
Mainly contain with its defect of technical measures of modulation infrared polarization state for building at present: (one) only can set up specific infra-red electromagnetic vibration orientation based on the infrared polarization equipment of discrete arrangement and carry out fine setting change; (2) there is spectral range relative narrowness by the special polarization state of infrared film system structure wave beam, polarization state is relatively fixing, only carries out polarization fine setting by the relative motion between overlay film substrate and becomes; (3) interfere by multi-beam the polarization state that only can set up specific orientation and carry out fine setting and become; (4) only in larger spatial domain, globality can build specific polarization light field based on diffraction effect, the effect being carried out modulation wave beam polarization state by adjustment diffraction structure phase place is very limited; (5) due to reasons such as volume, quality and mode of operations, can to build or can the constructional device of limited management and control polarization behavior, be difficult to be coupled in flexible access light path or with other infrared structure; (6) conventional polarization technology be difficult to based on modern micronano optical photoelectric technology carry out can modulation chip transformation.
In the last few years, utilized the automatically controlled modulation effect of liquid crystal material refractive index, and performed this technical approach of adjustable conversion postponed based on Infrared Transmission beam phase and obtain remarkable break-throughs, for the Polarization Control framework building little microminiaturization provides an effective way.The exemplary functions possessed at present mainly contains: (one) adds live and drives control signal on array liquid crystal structure, can realize the automatically controlled expansion of liquid crystal material specific dielectric state, solidify or modulation, and the phase delay of infrared waves can sequential or space-variant be launched; (2) the automatically controlled structure of liquid crystal material refractive index and modulation can be driven by low-power signal and control liquid crystal structure and carry out, drive control signal as typical voltage signal its mean square value or signal frequency etc., one-to-one relationship is presented with liquid crystal material refractive index, add live drive control signal and set up the time constant of stable polarized state sub-Millisecond (current laboratory-scale device reaches Microsecond grade the most), the quick foundation of polarization state can be ensured, solidify or modulation; (3) drive the uniqueness relation between control signal and optical polarization, mean that Polarization Control can quantize to accept the constraint of priori or imaging contexts, intervention or guiding, there is intelligent feature.At present, the electrically-controlled liquid crystal polarization technology how based on little microminiaturization controls infrared polarization state, has become infrared wave beam precision measurement and control technology continues to develop the difficulties faced, in the urgent need to new breakthrough.
Utility model content
For above defect or the Improvement requirement of prior art, the utility model provides liquid crystal base infrared wave beam Polarization Control chip, its can realize infrared its special polarization state of wave beam automatically controlled structure, solidify or modulation, easily and other infrared optics photoelectric mechanical structure Coupling, good environmental adaptability.
For achieving the above object, according to an aspect of the present utility model, provide a kind of liquid crystal base infrared wave beam Polarization Control chip, comprise the liquid crystal polarized control structure of array, the liquid crystal polarized control structure of array is m × n unit, wherein, m, n is the integer being greater than 1, each cellular construction has level, vertically, four micro-square line bunch blocks of 45 ° and 135 ° orientations, the liquid crystal polarized control structure of array adopts sandwich construction, and be provided with the first substrate in turn from bottom to up, first patterned electrode layer, first pattern liquid-crystalline oriented layer, second pattern liquid-crystalline oriented layer, second patterned electrode layer, second substrate, first electricity isolated layer, liquid crystal layer, second electricity isolated layer, first patterned electrode layer comprises m × n the unit pattern polarizing electrode be made up of four pieces of micro-square sub-electrodes be mutually close to, a contact conductor is extended respectively from the micro-square sub-electrode of four each unit pattern polarizing electrode, the contact conductor that in each unit pattern polarizing electrode, the micro-square sub-electrode at same position place extends is interconnected, thus form first, second, third and fourth contact conductor, second patterned electrode layer comprises m × n the unit pattern polarizing electrode be made up of four pieces of micro-square sub-electrodes be mutually close to, extend a contact conductor respectively from the micro-square sub-electrode of four each unit pattern polarizing electrode and be interconnected, form public electrode lead-in wire.
Preferably, after infrared beam enters the liquid crystal polarized control structure of array, sub-incident wave beam battle array is turned to by discrete according to array scale and functional structure arrangement situation, liquid crystal molecule interaction under each sub-incident wave beam battle array and controlled electrical field encourage, phase delay operations needed for being performed by four micro-square lines bunch block, exports from chip through synthesis and the formation transmission wave beam that is coupled again.
Preferably, also comprise chip housing, the liquid crystal polarized control structure of array is positioned at chip housing and is connected with it, and the light entrance face of the liquid crystal polarized control structure of array and light-emitting face are windowed out exposed by the end face of chip housing and bottom surface.
Preferably, chip housing is provided with first and drives control signal input port, second and drive control signal input port, the 3rd and drive control signal input port and 4 wheel driven control signal input port, it is outside exposed by lateral opening hole of chip housing.
Preferably, first, second, third and fourth contact conductor in first patterned electrode layer is connected respectively to first and drives control signal input port, second and drive control signal input port, the 3rd and drive control signal input port and one end of 4 wheel driven control signal input port, and the public electrode lead-in wire in the second patterned electrode layer is connected respectively to first equally and drives control signal input port, second and drive the other end that control signal input port, the 3rd drives control signal input port and 4 wheel driven control signal input port.
Preferably, in first pattern liquid-crystalline oriented layer, micro-square contour linear structure translation of four different orientations of each cell patterned directive texture overlaps, and in the first patterned electrode layer, four of each unit pattern polarizing electrode micro-square sub-electrodes project with micro-square contour linear structure of four different orientations of each cell patterned directive texture in the first pattern liquid-crystalline oriented layer and overlap.
Preferably, in second pattern liquid-crystalline oriented layer, micro-square contour linear structure translation of four different orientations of each cell patterned directive texture overlaps, in second patterned electrode layer, four of each unit pattern polarizing electrode micro-square sub-electrodes project with micro-square contour linear structure of four different orientations of each cell patterned directive texture in the second pattern liquid-crystalline oriented layer and overlap, micro-square contour linear structure of four different orientations of each cell patterned directive texture in first pattern liquid-crystalline oriented layer, there is identical physical dimension with micro-square contour linear structure of four different orientations of cell patterned directive texture each in the second pattern liquid-crystalline oriented layer and mutually project and overlap.
Preferably, the infrared anti-reflection film system of identical material is provided with at the light entrance face of the liquid crystal polarized control structure of array and light-emitting face.
In general, the above technical scheme conceived by the utility model compared with prior art, can obtain following beneficial effect:
1, rapid build or modulation polarization state: the utility model is based on the liquid crystal polarized control structure of array, realize the discretize segmentation of infrared incident wave beam, beamlet polarization state builds or modulation and coupling output, has and solidifies automatically controlled fast for outgoing beam or the advantage of modulation in special polarization state.
2, Polarization Control mode is flexible: independently powered up by each cellular construction in the liquid crystal polarized control structure of pair arrayization and four patterning polarization orientation structures thereof, realizes rapid build or the modulation control flexibly of its polarization state of outgoing beam.
3, intelligent: the powering up of liquid crystal structure is driven control operation and in constraint, the intervention of priori or wave beam polarization situation or can be launched under guiding, and has intelligent feature.
4, good environmental adaptability: the utility model adopts and can automatically controlledly solidify or the liquid crystal polarized structure of modulation infrared waves phase place, the light vector swing etc. can brought out for the fluctuation of wave beam polarization state, environmental factor is carried out electric adjustment and is just even recovered, and has the advantage of good environmental adaptability.
5, easy to use: chip body of the present utility model is the liquid crystal polarized control structure of array be encapsulated in chip housing, patch conveniently in infrared light path, easily mate with conventional infrared optics photoconductive structure, electronics and mechanical hook-up etc. and be coupled.
Accompanying drawing explanation
Fig. 1 is the structural representation of the liquid crystal base infrared wave beam Polarization Control chip of the utility model embodiment;
Fig. 2 is the liquid crystal polarized control structure schematic diagram of array of the utility model embodiment;
Fig. 3 is the liquid crystal polarized control structure schematic diagram of every unit of the utility model embodiment.
In all of the figs, identical Reference numeral is used for representing identical element or structure, wherein:
1-first drives control signal input port, and 2-second drives control signal input port, the liquid crystal polarized control structure of 3-array, 4-chip housing, 5-the 3rd drives control signal input port, 6-4 wheel driven control signal input port, 7-first substrate, 8-first patterned electrode layer, 9-first pattern liquid-crystalline oriented layer, 10-second pattern liquid-crystalline oriented layer, 11-second patterned electrode layer, 12-second substrate, 13-first electricity isolated layer, 14-liquid crystal layer, 15-second electricity isolated layer.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
As shown in Figure 1, liquid crystal base of the present utility model infrared wave beam Polarization Control chip comprises: chip housing 4, the liquid crystal polarized control structure 3 of array be made up of patterned electrodes and pattern liquid-crystalline anchor alignment bunch block.
The liquid crystal polarized control structure 3 of array is positioned at chip housing 4 and is connected with it.
The light entrance face of the liquid crystal polarized control structure of array and light-emitting face are windowed out exposed by the end face of chip housing 4 and bottom surface.
The liquid crystal polarized control structure of array is m × n unit, and wherein, m, n are the integer being greater than 1, and four specific orientation line bunch blocks in each cellular construction are independently powered up drives control.
After infrared beam enters the liquid crystal polarized control structure 3 of array, sub-incident wave beam battle array is turned to by discrete according to array scale and functional structure arrangement situation, liquid crystal molecule interaction under each sub-incident wave beam battle array and controlled electrical field encourage, phase delay operations needed for being performed by four micro-square lines bunch block of the orientation such as level, vertical, 45 ° and 135 °, through synthesis and again coupling form the transmission wave beam with special polarization state and export from chip.
Chip housing 4 is provided with first drive control signal input port 1, second and drive control signal input port 2, the 3rd and drive control signal input port 5 and 4 wheel driven control signal input port 6, it is outside exposed by lateral opening hole of chip housing 4.
As shown in Figure 2, the liquid crystal polarized control structure of array adopts the such sandwich construction of electrode layer-liquid crystal layer-electrode layer, and under at the middle and upper levels between be provided with the first substrate 7, first patterned electrode layer 8, first pattern liquid-crystalline oriented layer 9, second pattern liquid-crystalline oriented layer 10, second patterned electrode layer 11, second substrate 12, first electricity isolated layer 13, liquid crystal layer 14, second electricity isolated layer 15 in turn.
First pattern liquid-crystalline oriented layer 9 and the second pattern liquid-crystalline oriented layer 10 are made by polyimide, but should understand alignment layer material and be not limited thereto, and also can be that other can form the channel material of the nanoscale degree of depth and width.
First electricity isolated layer 13 and the second electricity isolated layer 15 are by SiO
2making, but should understand electricity isolated layer material and be not limited thereto, also can be that other can form the material of electrical isolation.
First patterned electrode layer 8 comprises m × n the unit pattern polarizing electrode be made up of four pieces of micro-square sub-electrodes be mutually close to, and wherein, m, n are the integer being greater than 1.A contact conductor is extended respectively from the micro-square sub-electrode of four each unit pattern polarizing electrode, the contact conductor that in each unit pattern polarizing electrode, the micro-square sub-electrode at same position place extends is interconnected, thus forms separate first, second, third and fourth contact conductor.
In first pattern liquid-crystalline oriented layer 9, micro-square contour linear structure translation of four different orientations of each cell patterned directive texture overlaps.
In first patterned electrode layer 8, four of each unit pattern polarizing electrode micro-square sub-electrodes project with micro-square contour linear structure of four different orientations of each cell patterned directive texture in the first pattern liquid-crystalline oriented layer 9 and overlap.
Second patterned electrode layer 11 comprises m × n the unit pattern polarizing electrode be made up of four pieces of micro-square sub-electrodes be mutually close to, and wherein, m, n are the integer being greater than 1.Extend a contact conductor respectively from the micro-square sub-electrode of four each unit pattern polarizing electrode and be interconnected, forming public electrode lead-in wire.
In second pattern liquid-crystalline oriented layer 10, micro-square contour linear structure translation of four different orientations of each cell patterned directive texture overlaps.
In second patterned electrode layer 11, four of each unit pattern polarizing electrode micro-square sub-electrodes project with micro-square contour linear structure of four different orientations of each cell patterned directive texture in the second pattern liquid-crystalline oriented layer 10 and overlap.
Micro-square contour linear structure of four different orientations of each cell patterned directive texture in first pattern liquid-crystalline oriented layer 9, has identical physical dimension mutually projecting with micro-square contour linear structure of four different orientations of cell patterned directive texture each in the second pattern liquid-crystalline oriented layer 10 and overlaps.
In first patterned electrode layer, the first, second, third and fourth contact conductor of 8 is connected respectively to first and drives control signal input port 1, second and drive control signal input port 2, the 3rd and drive control signal input port 5 and one end of 4 wheel driven control signal input port 6.Public electrode lead-in wire in second patterned electrode layer 11 is connected respectively to first equally and drives control signal input port 1, second and drive control signal input port 2, the 3rd and drive control signal input port 5 and the other end of 4 wheel driven control signal input port 6.
In addition, be provided with the infrared anti-reflection film system of identical material at the light entrance face of the liquid crystal polarized control structure of array and light-emitting face, do not mark in figure.
As shown in Figure 3, the characteristic feature of the liquid crystal polarized control structure of every unit of the utility model embodiment comprises:
Every cell patterned directive texture in first and second pattern liquid-crystalline oriented layers its four micro-square contour linear structures, from left to right comprise the orientations such as vertical, 45 °, 135 ° and level from top to bottom; Its cellular construction of first (end face) patterned electrode layer is made up of four micro-square sub-electrodes, with micro-square contour linear structure of every its four different orientations of cell patterned directive texture in pattern liquid-crystalline oriented layer, there is identical physical dimension, and extend four electrical leads along sideline; Second (bottom surface) patterned electrodes is made up of micro-square-shaped electrode array, and the micro-square-shaped electrode of every unit has identical physical dimension with the cellular construction in the first patterned electrodes, and extends the contact conductor of a mutual UNICOM along sideline.
The course of work of the liquid crystal base infrared wave beam Polarization Control chip of the utility model embodiment is described below in conjunction with Fig. 1, Fig. 2 and Fig. 3.
First control signal input port 1 driven in signal wire access, drive control signal input port 2, drive control signal input port 5, drive control signal input port 6, the input of control signal will be driven and be carried in array electrically-controlled liquid crystal Polarization Control structure.
For making those skilled in the art understand the utility model better, introduce the principle of work of liquid crystal base of the present utility model infrared wave beam Polarization Control chip below in detail.
Liquid crystal base infrared wave beam Polarization Control chip is placed in optical system for testing, or the focal plane place being placed in the infrared optical system be made up of primary mirror also can weak out of focus configuration.
After infrared beam enters the liquid crystal polarized control structure of array, encourage the lower liquid crystal molecule with specific refractive index distributional pattern built to interact with controlled electrical field, produce the phase delay under electric signal constraint, form the beamlet with special polarization state.The electric and magnetic oscillation orientation of beamlet, is retrained or modulation by the electric signal of independent loads on the electrode corresponding with four micro-square line bunch blocks in level, vertical, 45 ° and 135 ° of orientations.There is the infrared transmission wave beam of special polarization state through coupling formation and export from chip.
Fig. 2 is the fundamental diagram of the liquid crystal base infrared wave beam Polarization Control chip of the utility model embodiment.As shown in Figure 2, the liquid crystal polarized control structure of each unit drives control signal by independent loads on its patterned electrodes Shang tetra-tunnel, as illustrated voltage signal V, carries out automatically controlled structure and modulation to infrared wave beam polarization state.The end face of liquid crystal microcavity and bottom-side electrodes flat board have similar patterned electrodes and pattern liquid-crystalline anchor fixed structure.Liquid crystal base infrared wave beam Polarization Control structure comprises liquid crystal material, the pattern liquid-crystalline anchor fixed structure of four lines bunch formula, pattern metal electrodes, substrate and infrared anti-reflection film system.Coverage diagram patterning liquid crystal anchor fixed structure, pattern metal electrodes, substrate and the infrared anti-reflection film system successively of two surfaces up and down of liquid crystal material.
Described liquid crystal base infrared wave beam Polarization Control chip, for building and modulation infrared beam polarization state.By regulating the electric signal that is carried in the liquid crystal polarized control structure of array, regulating the phase delay degree of infrared wave beam in level, vertical, 45 ° and 135 ° of orientations, obtaining having the infrared beamlet of special polarization state and exporting from chip through coupling.The outgoing beam obtained operates by the modulation of its frequency of electric signal or amplitude, is set in special polarization state or is tuned in predetermined polarisation orientation.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a liquid crystal base infrared wave beam Polarization Control chip, comprises the liquid crystal polarized control structure of array, it is characterized in that,
The liquid crystal polarized control structure of array is m × n unit, and wherein, m, n are the integer being greater than 1, and each cellular construction has four micro-square line bunch blocks of level, vertical, 45 ° and 135 ° orientations;
The liquid crystal polarized control structure of array adopts sandwich construction, and is provided with the first substrate, the first patterned electrode layer, the first pattern liquid-crystalline oriented layer, the second pattern liquid-crystalline oriented layer, the second patterned electrode layer, the second substrate, the first electricity isolated layer, liquid crystal layer, the second electricity isolated layer from bottom to up in turn;
First patterned electrode layer comprises m × n the unit pattern polarizing electrode be made up of four pieces of micro-square sub-electrodes be mutually close to, a contact conductor is extended respectively from the micro-square sub-electrode of four each unit pattern polarizing electrode, the contact conductor that in each unit pattern polarizing electrode, the micro-square sub-electrode at same position place extends is interconnected, thus forms first, second, third and fourth contact conductor;
Second patterned electrode layer comprises m × n the unit pattern polarizing electrode be made up of four pieces of micro-square sub-electrodes be mutually close to, extend a contact conductor respectively from the micro-square sub-electrode of four each unit pattern polarizing electrode and be interconnected, forming public electrode lead-in wire.
2. liquid crystal base according to claim 1 infrared wave beam Polarization Control chip, it is characterized in that, after infrared beam enters the liquid crystal polarized control structure of array, sub-incident wave beam battle array is turned to by discrete according to array scale and functional structure arrangement situation, liquid crystal molecule interaction under each sub-incident wave beam battle array and controlled electrical field encourage, phase delay operations needed for being performed by four micro-square lines bunch block, exports from chip through synthesis and the formation transmission wave beam that is coupled again.
3. liquid crystal base according to claim 1 infrared wave beam Polarization Control chip, it is characterized in that, also comprise chip housing, the liquid crystal polarized control structure of array is positioned at chip housing and is connected with it, and the light entrance face of the liquid crystal polarized control structure of array and light-emitting face are windowed out exposed by the end face of chip housing and bottom surface.
4. liquid crystal base according to claim 3 infrared wave beam Polarization Control chip, it is characterized in that, chip housing is provided with first drive control signal input port, second and drive control signal input port, the 3rd and drive control signal input port and 4 wheel driven control signal input port, it is outside exposed by lateral opening hole of chip housing.
5. liquid crystal base according to claim 4 infrared wave beam Polarization Control chip, is characterized in that,
First, second, third and fourth contact conductor in first patterned electrode layer is connected respectively to first and drives control signal input port, second and drive control signal input port, the 3rd and drive control signal input port and one end of 4 wheel driven control signal input port;
Public electrode lead-in wire in second patterned electrode layer is connected respectively to first equally and drives control signal input port, second and drive control signal input port, the 3rd and drive control signal input port and the other end of 4 wheel driven control signal input port.
6. liquid crystal base according to claim 1 infrared wave beam Polarization Control chip, is characterized in that,
In first pattern liquid-crystalline oriented layer, micro-square contour linear structure translation of four different orientations of each cell patterned directive texture overlaps;
In first patterned electrode layer, four of each unit pattern polarizing electrode micro-square sub-electrodes project with micro-square contour linear structure of four different orientations of each cell patterned directive texture in the first pattern liquid-crystalline oriented layer and overlap.
7. liquid crystal base according to claim 1 infrared wave beam Polarization Control chip, is characterized in that,
In second pattern liquid-crystalline oriented layer, micro-square contour linear structure translation of four different orientations of each cell patterned directive texture overlaps;
In second patterned electrode layer, four of each unit pattern polarizing electrode micro-square sub-electrodes project with micro-square contour linear structure of four different orientations of each cell patterned directive texture in the second pattern liquid-crystalline oriented layer and overlap;
Micro-square contour linear structure of four different orientations of each cell patterned directive texture in first pattern liquid-crystalline oriented layer, has identical physical dimension mutually projecting with micro-square contour linear structure of four different orientations of cell patterned directive texture each in the second pattern liquid-crystalline oriented layer and overlaps.
8. liquid crystal base according to claim 1 infrared wave beam Polarization Control chip, is characterized in that, is provided with the infrared anti-reflection film system of identical material at the light entrance face of the liquid crystal polarized control structure of array and light-emitting face.
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| CN201420623993.3U CN204129392U (en) | 2014-10-24 | 2014-10-24 | A kind of liquid crystal base infrared wave beam Polarization Control chip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104298024A (en) * | 2014-10-24 | 2015-01-21 | 华中科技大学 | Liquid-crystal-based infrared wave beam polarization control chip |
| CN109374132A (en) * | 2018-09-21 | 2019-02-22 | 南京奥谱依电子科技有限公司 | A kind of imaging detection chip and preparation method thereof of adjustable polarization and spectrum |
-
2014
- 2014-10-24 CN CN201420623993.3U patent/CN204129392U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104298024A (en) * | 2014-10-24 | 2015-01-21 | 华中科技大学 | Liquid-crystal-based infrared wave beam polarization control chip |
| CN109374132A (en) * | 2018-09-21 | 2019-02-22 | 南京奥谱依电子科技有限公司 | A kind of imaging detection chip and preparation method thereof of adjustable polarization and spectrum |
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