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Wavefront control chip based on electronic control liquid crystal plane micro lens
ActiveCN104298026AFlexible wave front controlWith intelligent featuresStatic indicating devicesSpectrum generationWavefrontElectron
The invention discloses a wavefront control chip based on an electronic control liquid crystal plane micro lens. The chip comprises the area relay electronic control liquid crystal plane micro lens. The area relay electronic control liquid crystal plane micro lens comprises a liquid crystal material layer, a first liquid crystal initial orientation layer, a graphical electrode layer, a first substrate, a first antireflection film, a second liquid crystal initial orientation layer, a public electrode layer, a second substrate and a second antireflection film, the first liquid crystal initial orientation layer, the graphical electrode layer, the first substrate and the first antireflection film are sequentially arranged on the upper surface of the liquid crystal material layer, and the second liquid crystal initial orientation layer, the public electrode layer, the second substrate and the second antireflection film are sequentially arranged on the lower surface of the liquid crystal material layer. The public electrode layer is composed of a homogeneous conducting film. The graphical electrode layer is composed of sub-electrodes distributed in an m*n-ary array, each sub-electrode is composed of four strip-shaped conducting films evenly distributed around the circumference in a cross shape, and the strip-shaped conducting films in each sub-electrode are not in contact. Wavefront controlled modulation or solidification or checking or search or tracking and complex wavefront construction can be achieved, and the chip can be coupled with other optical and photoelectric structures and electronic and mechanical devices easily, and is good in environmental suitability.
Owner:HUAZHONG UNIV OF SCI & TECH
Infrared liquid crystal phased array chip
ActiveCN104330931AFlexible controlHigh control precisionStatic indicating devicesSpectrum generationLiquid crystalPhase modulation
The invention discloses an infrared liquid crystal phased array chip. The chip comprises an electric control liquid crystal phase modulation microcolumn array; the electric control liquid crystal phase modulation microcolumn array comprises a liquid crystal material layer, a liquid crystal initial orientation layer, an electric isolation layer, a patterned electrode layer, a substrate and an infrared antireflection film which are sequentially arranged on the upper surface of the liquid crystal material layer, and a liquid crystal initial orientation layer, an electric isolation layer, a public electrode layer, a substrate and an infrared antireflection film which are sequentially arranged on the lower surface of the liquid crystal material layer; the patterned electrode layer is composed of sub-electrodes which are distributed in an arrayed manner, and each sub-electrode is composed of square or rectangular conductive films; the electric control liquid crystal phase modulation microcolumn array is divided into electrode control liquid crystal phase modulation microcolumns which are distributed in an arrayed manner, the electrode control liquid crystal phase modulation microcolumns correspond to the sub-electrodes one by one, and the rate of the area of each sub-electrode to the optical receiving area of the corresponding electrode control phase crystal phase modulation microcolumn is 50-95 percent. The chip can realize the functions of electric control beam expanding, beam contracting, debunching, beam concentrating, beam tuning, beam scanning and the like, is easy to couple with other infrared optical and photoelectric mechanical structures and has good optical field adaptability.
Owner:HUAZHONG UNIV OF SCI & TECH
Graphene-based double-mold hybrid integrated electronic control liquid crystal micro lens array chip
ActiveCN104298022AFine micro-divergence processingWith intelligent featuresStatic indicating devicesSpectrum generationControl signalLight beam
The invention discloses a graphene-based double-mold hybrid integrated electronic control liquid crystal micro lens array chip which comprises an array light control framework, a first drive control signal input port and a second drive control signal input port. A first substrate, a first micro circular hole patterned graphene electrode, a first liquid crystal orientation layer, a first liquid crystal layer, a second liquid crystal orientation layer, a graphene ground electrode, a second substrate, a third liquid crystal orientation layer, a second liquid crystal layer, a fourth liquid crystal orientation layer, a second micro circular hole patterned graphene electrode and a third substrate are sequentially arranged between an upper layer and a lower layer of the array light control framework. The first micro circular hole patterned graphene electrode, the graphene ground electrode and the second micro circular hole patterned graphene electrode are fixed on the first substrate, the second substrate and the third substrate respectively. Each micro circular hole patterned graphene electrode comprises m*n micro circular holes and micro annular holes. The graphene-based double-mold hybrid integrated electronic control liquid crystal micro lens array chip is compact in structure, high in light beam conversion efficiency, easy to couple with conventional photoelectric machinery structures, and good in environment adaptability.
Owner:HUAZHONG UNIV OF SCI & TECH
Dual-mode composite infrared electric control liquid crystal micro-lens array chip
ActiveCN104298047AWide range of variationEffective response to illuminanceStatic indicating devicesSpectrum generationCouplingOptical axis
The invention discloses a dual-mode composite infrared electric control liquid crystal micro-lens array chip which comprises a chip shell, an electric control light divergence liquid crystal micro-lens array and an electric control light condensation liquid crystal micro-lens array. The electric control light divergence liquid crystal micro-lens array and the electric control light condensation liquid crystal micro-lens array are in cascade coupling connection to form a dual-mode composite electronic speed controller framework. The electric control light divergence liquid crystal micro-lens array and the electric control light condensation liquid crystal micro-lens array are both arranged inside the chip shell, are tightly attached to each other and are connected with the chip shell. The optical axis of the electric control light divergence liquid crystal micro-lens array coincides with the optical axis of the electric control light condensation liquid crystal micro-lens array. The light incident plane of the electric control light divergence liquid crystal micro-lens array and the light emergent plane of the electric control light condensation liquid crystal micro-lens array are exposed out through an opening in the top face of the chip shell and an opening in the bottom face of the chip shell respectively. The dual-mode composite infrared electric control liquid crystal micro-lens array chip is compact in structure, capable of being used for forming various light beam forms, better in light field adaptability compared with a conventional electric control liquid crystal micro lens, high in control precision and capable of being coupled with a conventional infrared optics and optoelectronic mechanical structure easily.
Owner:HUAZHONG UNIV OF SCI & TECH
Electrical-control liquid crystal plane diffractive micromirror and manufacturing method thereof
ActiveCN109445146ASolve the technical problem of transmitted light lossHigh utilization rate of incident light waveStatic indicating devicesNon-linear opticsElectricityElectrical control
The invention discloses an electrical-control liquid crystal plane diffractive micromirror, comprising a first substrate, a first pattern electrode conductor layer, a first insulating layer, a first pattern electrode, a first liquid crystal alignment layer, a liquid crystal layer, a second liquid crystal alignment layer, a second pattern electrode, a second insulating layer, a second pattern electrode conductor layer and a second substrate; each of the first pattern electrode and the second pattern electrode comprises multiple electric-driven loop electrodes which are of the same shape and areunclosed rings; the first pattern electrode conductor layer is provided with a plurality of through holes, and the number of the though holes is the same with that of total terminals of the electric-driven loop electrodes. The electrical-control liquid crystal plane diffractive micromirror solves the technical problem of loss of incident light of the existing diffractive micromirror, and also solves the technical problem about bad influence to thermophysical property of liquid crystal material due to the driving way based on frequency signals.
Owner:NANJING OPY ELECTRONICS TECH CO LTD
Infrared image and wave front dual mode integrated imaging detection chip
ActiveCN103512668AHigh measurement accuracyHigh array sizeOptical measurementsPyrometry using electric radation detectorsDual modeImage detection
The invention discloses an infrared image and wave front dual mode integrated imaging detection chip which comprises a ceramic shell, a metal support, a heat dissipation board, a drive control and preprocessing module, an area array non-refrigeration infrared detector and an area array infrared refraction micro lens. The drive control and preprocessing module, the area array non-refrigeration infrared detector and the area array infrared refraction micro lens are coaxially and sequentially arranged in the ceramic shell. The rear portion of the ceramic shell is arranged on the top of the metal support and the top of the heat dissipation board. The drive control and preprocessing module is arranged at the joint of the rear portion of the ceramic shell, the metal support and the heat dissipation board. The area array non-refrigeration infrared detector is arranged on the top of the drive control and preprocessing module, and the area array infrared refraction micro lens is arranged on the top of the area array non-refrigeration infrared detector, wherein the light incident plane of the area array infrared refraction micro lens is exposed through an open hole in the face portion of the ceramic shell, and the area array infrared refraction micro lens comprises M*N unit micro lenses. The infrared image wave front dual mode integrated imaging detection chip is compared in structure, convenient to use, capable of being easily compatible or coupled with a conventional infrared optical system and good in adaptability of a target and the environment.
Owner:HUAZHONG UNIV OF SCI & TECH
Liquid crystal base image and wavefront dual-mode electrical-modulation imaging detection chip
ActiveCN105509894AAchieving Timing CompatibilityWavefront measurement with adjustable line-of-sightRadiation pyrometryImaging qualityDual mode
The invention discloses a liquid crystal base image and wavefront dual-mode electrical-modulation imaging detection chip, and the chip comprises a liquid crystal micro-optical structure, an area-array visible-light detector and a drive control preprocessing module; the liquid crystal micro-optical structure is an area-array electronic control liquid crystal micro lens under a sequential power-up state; the area-array visible-light detector is divided into a plurality of sub-area array visible-light detectors by the area-array electronic control liquid crystal micro lens according to the array size thereof, and each unit of the electronic control liquid crystal micro lens matches one sub-area array visible-light detector to form a wavefront measurement mode; the liquid crystal micro-optical structure is a liquid crystal phase plate for delaying an incident wave beam under a sequential power-off state, and the liquid crystal phase plate and the area-array visible-light detector form an imaging mode. According to the invention, the chip can capture the emerging wavefront and a high image quality flat image of a target based on a sequential electric signal, the detection efficiency is high, the chip is easy to use and couple with a conventional imaging optical system.
Owner:HUAZHONG UNIV OF SCI & TECH
Photosensitive imaging detection chip based on tip electron fluorescence excitation and preparation method thereof
ActiveCN109781250AImprove detection sensitivityFast Response and Spectral ConversionPhotometry using electric radiation detectorsFluorescencePhysics
The invention discloses a photosensitive imaging detection chip based on tip electronic fluorescence excitation. The photosensitive imaging detection chip comprises an optical antenna, a fluorescent film layer and a photosensitive array which are arranged in parallel, wherein the optical antenna is of an array structure composed of a plurality of antenna elements which are arranged at intervals and electrically connected. The fluorescent film layer is of an array structure composed of a plurality of fluorescent film elements which are arranged at intervals and electrically connected. The photosensitive array is of an array structure composed of a plurality of photosensitive elements which are arranged at intervals. The optical antenna, the fluorescent film layer and the photosensitive array are the same in shape and array scale, the antenna elements of the optical antenna, the fluorescent film elements at the corresponding positions in the fluorescent film layer and the photosensitiveelements at the corresponding positions in the photosensitive array are aligned with one another in the vertical direction, and each antenna element of the optical antenna comprises at least one nanopointed cone of which the top surfaces are electrically connected with one another. Incident light amplification and conversion from infrared light to visible light spectrum are realized through electron controlled emission and fluorescence excitation of the nano pointed cones, so that the detection sensitivity is remarkably improved.
Owner:NANJING OPY ELECTRONICS TECH CO LTD
Light control chip based on electric control liquid crystal dual-mode micro lens
ActiveCN104330929AExcellent ElectricalStrong light control abilityStatic indicating devicesSpectrum generationInsulation layerDual mode
The invention discloses a light control chip based on an electric control liquid crystal dual-mode micro lens. The chip comprises an area array electric control liquid crystal dual-mode micro lens, wherein the area array electric control liquid crystal dual-mode micro lens comprises: a liquid crystal material layer; a first liquid crystal initial orientation layer, a first electrode layer, an electric insulation layer, a second electrode layer, a first substrate and a first antireflection film which are sequentially arranged on the upper surface of the liquid crystal material layer; and a second liquid crystal initial orientation layer, a common electrode layer, a second substrate and a second antireflection film which are sequentially arranged on the lower surface of the liquid crystal material layer. The first electrode layer is formed by a homogenization graphene film; circular holes in m*n-element array distribution are formed on the homogenization graphene film; each of the common electrode layer and the second electrode layer is formed by a homogenization graphene film which is homogeneous with the first electrode layer. The chip is capable of carrying out the operation of collecting array light or diverging and transforming light of wave beams, and has the characteristics of being high in optical wave beam modulation capability, excellent in electro-optical performance, high in environmental adaptability and easy to match with other optical and optoelectronic mechanical structures.
Owner:HUAZHONG UNIV OF SCI & TECH
Infrared light-concentrating chip
ActiveCN104330930ARealize multi-level discrete aggregationRegulatory configurationStatic indicating devicesSpectrum generationIsolation layerOptical field
The invention discloses an infrared light-concentrating chip. The chip comprises a cylindrical liquid crystal phase modulation framework; the cylindrical liquid crystal phase modulation framework comprises a liquid crystal material layer, and a first liquid crystal initial orientation layer, a first electric isolation layer, a patterned electrode layer, a first substrate and a first infrared antireflection film which are sequentially arranged on the upper surface of the liquid crystal material layer, and a second liquid crystal initial orientation layer, a second electric isolation layer, a public electrode layer, a second substrate and a second infrared anti-reflection film which are sequentially arranged on the lower surface of the liquid crystal material layer; the patterned electrode layer is composed of a circular conductive film, and at least one circular-circle-shaped conductive film concentrically arranged on the periphery of the circular conductive film; the diameter of the circular conductive film is greater than the radial width of the adjacent circular-circle-shaped conductive film; when a plurality of circular-circle-shaped conductive films are arranged, the plurality of circular-circle-shaped conductive films are sequentially arranged on the periphery of the circular conductive film, and the radial width of each circular-circle-shaped conductive film is progressively decreased. The infrared light-concentrating chip has high focusing efficiency on infrared wave beams and good optical field adaptability and is small in size, light in weight and easy to couple with other optical and photoelectric mechanical structures.
Owner:HUAZHONG UNIV OF SCI & TECH
Infrared stereo imaging detection chip
ActiveCN103512666AEasy to useEasy to connectPyrometry using electric radation detectorsStereo imageStereoscopic imaging
The invention discloses an infrared stereo imaging detection chip which comprises a ceramic shell, a metal support, a heat dissipation board, a drive control and infrared image preprocessing module, an area array non-refrigeration infrared detector and an area array infrared refraction micro lens. The drive control and infrared image preprocessing module, the area array non-refrigeration infrared detector and the area array infrared refraction micro lens are coaxially and sequentially arranged in the ceramic shell. The rear portion of the ceramic shell is arranged on the top of the metal support and the top of the heat dissipation board. The drive control and infrared image preprocessing module is arranged at the joint of the rear portion of the ceramic shell, the metal support and the heat dissipation board. The area array non-refrigeration infrared detector is arranged on the top of the drive control and infrared image preprocessing module, and the area array infrared refraction micro lens is arranged on the top of the area array non-refrigeration infrared detector, wherein the light incident plane of the area array infrared refraction micro lens is exposed through an open hole in the face portion of the ceramic shell. The infrared stereo imaging detection chip has the advantages that stereo image information of a target is detected through single-photosensitive chips in parallel, the infrared stereo imaging detection chip is easily compatible with a conventional infrared optical system, and adaptability of the target and the environment is good.
Owner:HUAZHONG UNIV OF SCI & TECH
Area array electric control liquid crystal light divergence micro-lens chip driven and controlled by double voltage signals
ActiveCN104298023AQuick buildGood light field adaptabilityStatic indicating devicesSpectrum generationSurface electrodeAperture array
The invention discloses an area array electric control liquid crystal light divergence micro-lens chip driven and controlled by double voltage signals. The chip comprises an electric control liquid crystal light divergence micro-lens array, a first drive and control signal input port and a second drive and control signal input port. Area array electric control liquid crystal light divergence micro lenses are m*n elements, wherein the m and the n are both integers which are larger than one. The electric control liquid crystal light divergence micro-lens array is of a liquid crystal sandwich structure and is sequentially provided with a first substrate, a common ground electrode layer, a first liquid crystal orientation layer, a liquid crystal layer, a second liquid crystal orientation layer, a top surface patterning electrode layer, a top layer inter-electrode insulating layer, a top surface electrode layer and a second substrate between the lower layer and the upper layer. The common ground electrode layer and the top surface electrode layer are fixed on the first substrate and the second substrate respectively. The top surface patterning electrode layer is formed by orderly arranging m*n holes. The area array electric control liquid crystal light divergence micro-lens chip is compact in structure, the double drive and control signals are loaded independently to quickly establish a micro light aperture array light field which can be further shaped exquisitely, the chip can be coupled with a conventional optics and optoelectronic mechanical structure easily, and thus the environmental adaptability is good.
Owner:HUAZHONG UNIV OF SCI & TECH
Liquid-crystal-based infrared wave beam polarization control chip
ActiveCN104298024APolarization control method is flexibleFast modulation controlStatic indicating devicesSpectrum generationElectric fieldLight wave
The invention discloses a liquid-crystal-based infrared wave beam polarization control chip. The liquid-crystal-based infrared wave beam polarization control chip comprises a chip shell (4) and an array liquid crystal polarization control structure (3) located in the chip shell (4). The chip shell (4) is provided with a first drive control signal input port (1), a second drive control signal input port (2), a third drive control signal input port (5) and a fourth drive control signal input port (6). Infrared light waves are dispersed into a sub-wave-beam array according to the array scale and the arrangement situation of the liquid crystal polarization control structure after entering the array liquid crystal polarization control structure of the chip. The specific polarization-state transmission beam wave is obtained by making sub-wave-beams interact with liquid crystal molecules excited by a controlled electric field, conducting phase delay operation in the horizontal direction, the vertical direction, the 45-degree direction, the 135-degree direction and the like and then conducting beam combining. The liquid-crystal-based infrared wave beam polarization control chip is compact in structure, and electronic control establishment or solidification or modulation in the infrared wave beam polarization state can be conducted.
Owner:HUAZHONG UNIV OF SCI & TECH
Infrared perspective imaging detecting chip
ActiveCN103512667AHigh measurement accuracyImprove structural stabilityPyrometry using electric radation detectorsOptoelectronicsInfrared detector
The invention discloses an infrared perspective imaging detecting chip which a ceramic shell, a metal support, a heat dissipation board, a drive control and perspective image preprocessing module, an area array non-refrigeration infrared detector and an area array infrared refraction micro lens. The drive control and perspective image preprocessing module, the area array non-refrigeration infrared detector and the area array infrared refraction micro lens are coaxially and sequentially arranged in the ceramic shell. The rear portion of the ceramic shell is arranged on the top of the metal support and the top of the heat dissipation board. The drive control and perspective image preprocessing module is arranged at the joint of the rear portion of the ceramic shell, the metal support and the heat dissipation board. The area array non-refrigeration infrared detector is arranged on the top of the drive control and perspective image preprocessing module, and the area array infrared refraction micro lens is arranged on the top of the area array non-refrigeration infrared detector. The infrared perspective imaging detecting chip is compact in structure and has the advantages that single-chip perspective imaging detection is performed on an infrared target based on an infrared beam direction, the measuring precision is high, the infrared perspective imaging detecting chip is easily compatible or coupled with a conventional infrared optical system, and the adaptability of the target and the environment is good.
Owner:HUAZHONG UNIV OF SCI & TECH
An infrared concentrating chip
ActiveCN104330930BRealize multi-level discrete aggregationMaximize light energy utilizationStatic indicating devicesSpectrum generationIsolation layerStructural coupling
Owner:HUAZHONG UNIV OF SCI & TECH
An electronically controlled liquid crystal plane diffraction micromirror and its preparation method
ActiveCN109445146BSolve the technical problem of transmitted light lossHigh utilization rate of incident light waveStatic indicating devicesNon-linear opticsElectric driveMaterials science
The invention discloses an electronically controlled liquid crystal plane diffraction micromirror, which comprises a first substrate, a first patterned electrode lead layer, a first insulating layer, a first patterned electrode, and a first liquid crystal alignment layer arranged in parallel from top to bottom. , a liquid crystal layer, a second liquid crystal alignment layer, a second pattern electrode, a second insulating layer, a second pattern electrode lead layer, and a second substrate, each of the first pattern electrode and the second pattern electrode includes a plurality of The concentrically arranged electric drive control loop wire electrodes, each electric drive control loop wire electrode has the same shape, and are all non-closed rings, and a plurality of through holes are arranged on the lead layer of the first pattern electrode, the number of which is It is the same as the total number of terminals of all the electrically driven control ring electrodes in the first pattern electrode. The invention can solve the technical problem that the existing diffractive micromirror has a certain transmission light loss, and the technical problem that the thermophysical property of the liquid crystal material will be adversely affected because it is driven and controlled based on a frequency signal.
Owner:NANJING OPY ELECTRONICS TECH CO LTD
An electronically controlled liquid crystal light-diffusing microlens array chip based on graphene electrodes
ActiveCN104317116BEfficient coagulationWide spectral rangeStatic indicating devicesNon-linear opticsLiquid-crystal displayControl signal
The invention discloses an electric control liquid-crystal light divergence microlens array chip on the basis of graphene electrodes. The electric control liquid-crystal light divergence microlens array chip comprises a driving control signal input port and a graphene liquid-crystal light divergence microlens array, the graphene liquid-crystal light divergence microlens array comprises m*n of elements and is of liquid-crystal interlayer structure, a first substrate, a patterning graphene electrode, a first liquid crystal direction layer, a liquid crystal layer, a second liquid crystal direction layer, a graphene electrode and a second substrate are sequentially arranged between the lower layer and the upper layer, the patterning graphene electrode and the graphene electrode are manufactured on the first substrate and the second substrate respectively, the patterning graphene electrode is composed of m*n of micro circular graphene which are isolated by microloops and connected by microlines and are distributed in order, and the patterning graphene electrode and the graphene electrode extend to form a metal electrode lead respectively. The electric control liquid-crystal light divergence microlens array is long in device service life and high in reliability, can be easily coupled with a conventional optic photoelectric mechanism structure, and is high in environment suitability and the like.
Owner:HUAZHONG UNIV OF SCI & TECH
Infrared beam control chip based on electronically controlled liquid crystal infrared diverging planar microcylindrical mirror
ActiveCN104298029BRealize array divisionAchieve divergenceStatic indicating devicesSpectrum generationRectangular apertureCrystal plane
The invention discloses an infrared beam control chip based on an electric control liquid crystal infrared divergence planar micro-cylindrical-lens. The chip comprises an electric control liquid crystal infrared divergence planar micro-cylindrical-lens array, wherein the electric control liquid crystal infrared divergence planar micro-cylindrical-lens array comprises a liquid crystal material layer, a first liquid crystal initial orientation layer, a first electrical isolation layer, a graphical electrode layer, a first substrate, a first infrared antireflection film, a second liquid crystal initial orientation layer, a second electrical isolation layer, a common electrode layer, a second substrate and a second infrared antireflection film, the first liquid crystal initial orientation layer, the first electrical isolation layer, the graphical electrode layer, the first substrate and the first infrared antireflection film are sequentially arranged on the upper surface of the liquid crystal material layer, the second liquid crystal initial orientation layer, the second electrical isolation layer, the common electrode layer, the second substrate and the second infrared antireflection film are sequentially arranged on the lower surface of the liquid crystal material layer, the common electrode layer is composed of a homogeneous conducting film layer, and the graphical electrode layer is composed of a homogeneous conducting film layer on which rectangular hole pairs are distributed into an m*n element array. The chip can achieve electric control formation and modulation of a micro rectangular aperture array graphical optical field, can be easily matched and coupled with other infrared optical and photoelectric structures, electronic and mechanical devices and the like, and is good in environmental suitability.
Owner:HUAZHONG UNIV OF SCI & TECH
Light control chip based on electronically controlled liquid crystal dual-mode microlens
ActiveCN104330929BStrong light control abilityGood light transmissionStatic indicating devicesSpectrum generationInsulation layerDual mode
Owner:HUAZHONG UNIV OF SCI & TECH
Infrared beam control chip based on electronically controlled liquid crystal infrared converging planar microlens
ActiveCN104298028BFast convergenceQuick buildStatic indicating devicesSpectrum generationElectrical tuningElectric control
The invention discloses an infrared beam control chip based on an electric control liquid crystal infrared convergence planar micro lens. The chip comprises an electric control liquid crystal infrared convergence planar micro lens array, wherein the electric control liquid crystal infrared convergence planar micro lens array comprises a liquid crystal material layer, a first liquid crystal initial orientation layer, a first electrical isolation layer, a graphical electrode layer, a first substrate, a first infrared antireflection film, a second liquid crystal initial orientation layer, a second electrical isolation layer, a common electrode layer, a second substrate and a second infrared antireflection film, the first liquid crystal initial orientation layer, the first electrical isolation layer, the graphical electrode layer, the first substrate and the first infrared antireflection film are sequentially arranged on the upper surface of the liquid crystal material layer, the second liquid crystal initial orientation layer, the second electrical isolation layer, the common electrode layer, the second substrate and the second infrared antireflection film are sequentially arranged on the lower surface of the liquid crystal material layer, the common electrode layer is composed of a homogeneous conducting film layer, and the graphical electrode layer is composed of a homogeneous conducting film layer on which round holes or square holes are distributed into an m*n element array. The chip can achieve electric control formation and electric modulation of a micro condensation lattice and electric control homogenization of a far-field infrared transmission beam, can be easily matched and coupled with other infrared optical and photoelectric structures, electronic and mechanical devices and the like, and is good in environmental suitability.
Owner:HUAZHONG UNIV OF SCI & TECH
An infrared perspective imaging detection chip
ActiveCN103512667BImplement imaging detection operationsHigh measurement accuracyPyrometry using electric radation detectorsFluoroscopic imagingImage detection
The invention discloses an infrared perspective imaging detecting chip which a ceramic shell, a metal support, a heat dissipation board, a drive control and perspective image preprocessing module, an area array non-refrigeration infrared detector and an area array infrared refraction micro lens. The drive control and perspective image preprocessing module, the area array non-refrigeration infrared detector and the area array infrared refraction micro lens are coaxially and sequentially arranged in the ceramic shell. The rear portion of the ceramic shell is arranged on the top of the metal support and the top of the heat dissipation board. The drive control and perspective image preprocessing module is arranged at the joint of the rear portion of the ceramic shell, the metal support and the heat dissipation board. The area array non-refrigeration infrared detector is arranged on the top of the drive control and perspective image preprocessing module, and the area array infrared refraction micro lens is arranged on the top of the area array non-refrigeration infrared detector. The infrared perspective imaging detecting chip is compact in structure and has the advantages that single-chip perspective imaging detection is performed on an infrared target based on an infrared beam direction, the measuring precision is high, the infrared perspective imaging detecting chip is easily compatible or coupled with a conventional infrared optical system, and the adaptability of the target and the environment is good.
Owner:HUAZHONG UNIV OF SCI & TECH
A liquid crystal based infrared beam polarization control chip
ActiveCN104298024BQuick buildPolarization control method is flexibleStatic indicating devicesSpectrum generationPhase retardationControl signal
The invention discloses a liquid-crystal-based infrared wave beam polarization control chip. The liquid-crystal-based infrared wave beam polarization control chip comprises a chip shell (4) and an array liquid crystal polarization control structure (3) located in the chip shell (4). The chip shell (4) is provided with a first drive control signal input port (1), a second drive control signal input port (2), a third drive control signal input port (5) and a fourth drive control signal input port (6). Infrared light waves are dispersed into a sub-wave-beam array according to the array scale and the arrangement situation of the liquid crystal polarization control structure after entering the array liquid crystal polarization control structure of the chip. The specific polarization-state transmission beam wave is obtained by making sub-wave-beams interact with liquid crystal molecules excited by a controlled electric field, conducting phase delay operation in the horizontal direction, the vertical direction, the 45-degree direction, the 135-degree direction and the like and then conducting beam combining. The liquid-crystal-based infrared wave beam polarization control chip is compact in structure, and electronic control establishment or solidification or modulation in the infrared wave beam polarization state can be conducted.
Owner:HUAZHONG UNIV OF SCI & TECH
A liquid crystal-based electromagnetic protective film capable of electronic control and reconfiguration and its preparation method
ActiveCN109952010BCan accumulate electromagnetic absorptionReleasable electromagnetic absorptionMagnetic/electric field screeningMaterials scienceLiquid crystal
The present invention discloses a liquid crystal-based electromagnetic protection film capable of electronic control and reconstruction. The liquid crystal-based electromagnetic protection film comprises a first flexible substrate, an aperture array pattern electrode, a first liquid crystal orientation layer, a liquid crystal layer, a second liquid crystal orientation layer, a common electrode, and a second flexible substrate which are arranged in order from top to bottom. The aperture array pattern electrode comprises m*n block electrodes distributed in a matrix mode, each block electrode comprises a plurality of unit holes, the common electrode and the aperture array pattern electrode have completely same block electrode structures, the size of each unit hole in the common electrode is smaller than the size of each unit hole in the aperture array pattern electrode, one metal wire is led out from one side of each block electrode of the aperture array pattern electrode, the other one metal wire is led out from the same side of the block electrode, corresponding to the aperture array pattern electrode, in the common electrode, and the two metal wires are commonly connected with external voltage signals. The technical problems are solved that a current electromagnetic protection material cannot regulate the electromagnetic reflection or transmission capacities with the change ofthe intensity and incident direction of the electromagnetic wave beams.
Owner:NANJING OPY ELECTRONICS TECH CO LTD
Electronically Controlled Liquid Crystal Laser Shaping Chip Based on Wavefront Adjustment
ActiveCN104345508BRealize phase modulation shaping operationFlexible control modeStatic indicating devicesNon-linear opticsElectric controlLaser beams
The invention discloses an electric control liquid crystal laser shaping chip based on wave front adjustment. The chip comprises a cylindrical liquid crystal phase modification framework, wherein the liquid crystal phase modification framework comprises a liquid crystal material layer, a first liquid crystal initial alignment layer, an imaging electrode layer, a first substrate and a first antireflection film which are arranged on the upper surface of the liquid crystal material layer in sequence, and a second liquid crystal initial alignment layer, a common electrode layer, a second substrate and a second antireflection film which are arranged on the lower surface of the liquid crystal material layer in sequence; the common electrode layer is composed of a homogeneous conducting film; the imaging electrode layer is composed of a circular conducting film and at least one circular ring-shaped conducting film concentrically arranged on the periphery of the circular conducting film, and the circle center of the circular conducting film coincides with the axis of the liquid crystal phase modification framework; when a plurality of circular ring-shaped conducting films are arranged, the radial widths of all circular ring-shaped conducting films are equal, and the radial space of adjacent conducting films is equal. The chip is large in laser beam shaping variation range, good in adaptability and small in size and mass, and is easily coupled with other optical and optoelectronic mechanical structures.
Owner:HUAZHONG UNIV OF SCI & TECH
Visible light near-infrared close-range depth-of-field extension imaging system
PendingCN113917722ALarge depth of fieldExtended depth of fieldStatic indicating devicesNon-linear opticsLight beamDepth of field
The invention discloses a visible light near-infrared close-range depth-of-field extension imaging system, and belongs to the technical field of optical imaging detection. The system comprises a short-focus main lens, an electrically-controlled liquid crystal micro-optical structure, an area array photosensitive detector, a driving control module and a processing module, wherein the short-focus main lens is used for carrying out primary compression imaging on a distant object; the driving control module provides voltage signals for driving and regulation for the area array photosensitive detector and the electrically-controlled liquid crystal micro-optical structure; the electrically-controlled liquid crystal micro-optical structure is used for discretizing and arranging target light beams in different directions and converging the target light beams on photosensitive elements; the area array photosensitive detector converts a characteristic light beam incident on the photosensitive elements into an electric signal; and the processing module carries out quantification processing on the electric signals from the photosensitive elements to obtain sequence sub-image data containing three-dimensional space information. According to the visible light near-infrared close-range depth-of-field extension imaging system, the electric signal-target depth relation is established, so that electric control chromatography imaging is carried out, and the depth of field is further expanded.
Owner:HUAZHONG UNIV OF SCI & TECH
FP (Fabry-Perot) spectrum structure for spectral addressing measurement, preparation method and optimal microscope
InactiveCN109752323AEasy to operateTune spectrumColor/spectral properties measurementsNon-linear opticsElectricityControl signal
The invention discloses an FP (Fabry-Perot) spectrum structure for spectral addressing measurement for microscopic imaging measurement, comprising a first anti-reflection film, a first substrate, a pattern electrode, a first liquid crystal orientation layer, a liquid crystal layer, a second liquid crystal orientation layer, a common electrode, a second substrate, and a second anti-reflection film,which are sequentially arranged in parallel from top to bottom; the pattern electrode and the common electrode are disposed concentrically with each other, both serve as a high reflection film, and both of the pattern electrode and the common electrode are made of a metal material; the pattern electrode comprises a plurality of rectangular sub-electrodes arranged in a symmetrical manner, and eachof the rectangular sub-electrodes is electrically insulated; each of the rectangular sub-electrodes is lead out of the pattern electrode through respective electrical connection wire and is connectedto the two ends of each external control signal together with the electrical connection wire lead out of the common electrode, respectively. The FP spectrum structure in the invention has the advantages of high spectral microscopic imaging efficiency, good target and light field adaptability, small volume and mass, and easy to be coupled with other optical opto-mechanical structures.
Owner:NANJING OPY ELECTRONICS TECH CO LTD
An area-array electronically controlled liquid crystal light-diverging microlens chip driven by a dual-channel voltage signal
ActiveCN104298023BQuick buildGood light field adaptabilityStatic indicating devicesSpectrum generationSurface patternControl signal
The invention discloses an area array electric control liquid crystal light divergence micro-lens chip driven and controlled by double voltage signals. The chip comprises an electric control liquid crystal light divergence micro-lens array, a first drive and control signal input port and a second drive and control signal input port. Area array electric control liquid crystal light divergence micro lenses are m*n elements, wherein the m and the n are both integers which are larger than one. The electric control liquid crystal light divergence micro-lens array is of a liquid crystal sandwich structure and is sequentially provided with a first substrate, a common ground electrode layer, a first liquid crystal orientation layer, a liquid crystal layer, a second liquid crystal orientation layer, a top surface patterning electrode layer, a top layer inter-electrode insulating layer, a top surface electrode layer and a second substrate between the lower layer and the upper layer. The common ground electrode layer and the top surface electrode layer are fixed on the first substrate and the second substrate respectively. The top surface patterning electrode layer is formed by orderly arranging m*n holes. The area array electric control liquid crystal light divergence micro-lens chip is compact in structure, the double drive and control signals are loaded independently to quickly establish a micro light aperture array light field which can be further shaped exquisitely, the chip can be coupled with a conventional optics and optoelectronic mechanical structure easily, and thus the environmental adaptability is good.
Owner:HUAZHONG UNIV OF SCI & TECH
An Addressable Imaging Detection Chip for Local Wavefront Measurement
ActiveCN105486415BRealization of local wavefront measurement and adjustmentFlexible switchingOptical measurementsControl signalImage detection
The invention discloses an imaging detection chip capable of addressably measuring local wavefront. The imaging detection chip comprises an addressable power-up liquid crystal micro-optical structure, an area array visible light detector and a drive and control preprocessing module. The liquid crystal micro-optical structure is divided into a plurality of liquid crystal micro-optical blocks capable of independently applying electrical drive and control signals. The liquid crystal micro-optical blocks have the same surface shape and structure size; the powered-up liquid crystal micro-optical block is a liquid crystal microlens array block, and the rest non-powered-up liquid crystal micro-optical blocks are liquid crystal phase shift blocks; and the liquid crystal micro-optical structure divided into the liquid crystal micro-optical blocks divides the area array visible light detector corresponding thereto into area array visible light detector blocks having the same shape and scale, and each area array visible light detector block comprises detectors in same quantity and arrangement mode. The imaging detection chip has an imaging detection effect of executing addressable selection and changing local wavefront measurement, is convenient to use and is easy to be coupled with a conventional imaging optical system.
Owner:HUAZHONG UNIV OF SCI & TECH
An infrared imaging detection chip based on wave vector measurement
ActiveCN103542940BAchieve captureEasy to operatePyrometry using electric radation detectorsRefraction
The invention discloses a wave vector measurement based infrared imaging detection chip comprising an area-array infrared refraction micro-lens, an area-array uncooled infrared detector and a driven and controlled preprocessing module. The area-array uncooled infrared detector is located at the position of a focal plane of the area-array infrared refraction micro-lens and divided into a plurality of secondary area-array uncooled infrared detector in array distribution, and each secondary area-array uncooled infrared detector comprises a plurality of photosensitive elements in array distribution and identical in number and arrangement mode; the area-array infrared refraction micro-lens comprises a plurality of infrared refraction micro-lens units in array distribution, and each infrared refraction micro-lens unit corresponds to one secondary area-array uncooled infrared detector. The wave vector measurement based infrared imaging detection chip is large in variation range of measurable infrared wave vector direction, high in measuring accuracy, compact in structure, good in environmental suitability, and easy to match and couple with conventional infrared optical systems and electronic and mechanical devices.
Owner:HUAZHONG UNIV OF SCI & TECH
A wide-illuminance full-color imaging detection chip
ActiveCN103528675BImplement imaging detection operationsHigh measurement accuracyPhotometry using electric radiation detectorsIlluminanceDual mode
The invention discloses a wide-illuminance panchromatic imaging detection chip comprising an area array electronic-control dual-mode plane liquid crystal micro-lens, an area array panchromatic detector and a drive-control preprocessing module, wherein the area array panchromatic detector is divided into a plurality of array-distributed sub area array panchromatic detectors, each sub area array panchromatic detector comprises a plurality of array-distributed photosensitive elements with the same numbers and arrangement manners; the area array electronic-control dual-mode plane liquid crystal micro-lens is coupled with the area array panchromatic detector in a matching manner and comprises a plurality of array-distributed unit electronic-control dual-mode plane liquid crystal micro-lenses, and each unit electronic-control dual-mode plane liquid crystal micro-lens corresponds to one sub area array panchromatic detector; the area array electronic-control dual-mode plane liquid crystal micro-lens carries out oriented collection and dispersion on incident light or maintains the space transmission form of a light beam based on the intensity of the incident light. According to the wide-illuminance panchromatic imaging detection chip disclosed by the invention, the panchromatic image information in a wide illuminance range can be obtained, the measurement precision is high, the target and environment suitability is good, and the detection chip is easy to be coupled with a regular optical system.
Owner:HUAZHONG UNIV OF SCI & TECH
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