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236 results about "Optical control" patented technology

Adjustable spectrum-based liquid crystal display system and control method thereof

The invention provides an adjustable spectrum-based liquid crystal display system and a control method thereof, relates to the technical field of display systems, and aims to overcome the limitations of poor environmental adaptability, easiness in causing visual fatigue, single user experience and the like of an existing display. The system creatively integrates a liquid crystal panel, a high-precision multi-main-color Micro-LED backlight, a pixel inner sensing array, an external multi-mode sensing module, a dynamic addressable micro-optical array, a dynamic polarization modulation layer and an optional transparent energy collection layer. The intelligent controller carries out fusion processing on the real-time biological state, environment information and application context data of the user obtained by the multi-source sensor, and carries out accurate state evaluation and future trend prediction. And determining an optimal space-time-direction-spectrum-polarized light field output characteristic and an intelligent energy management strategy through a multi-objective optimization decision engine, and driving each optical regulation and control component to execute in real time. The visual comfort and health level are remarkably improved, and the information fidelity and task performance in a complex environment are ensured.
Owner:深圳市双禹盛泰科技有限公司

Multi-modal underwater wireless communication system and communication method based on dynamic link calibration

The invention relates to the technical field of underwater communication and positioning, in particular to a multi-mode underwater wireless communication system based on dynamic link calibration, which integrates underwater acoustic positioning guide, attitude adaptive tracking control, optical link enhancement and an error code correction mechanism. Comprising a central control core, an acoustic communication unit, an optical communication transmitting unit, an optical signal receiving unit, an optical control unit, a multi-axis attitude adjusting unit, a data fusion and verification processing unit and a high-speed modulation-demodulation and error code correction unit. And by using a double-shaft servo motor and automatic gain control, real-time target tracking and accurate alignment of optical signals are realized, FPGA and OFDM modulation are combined to optimize data throughput, and a data cross validation mechanism is introduced to correct error codes, so that the data integrity is improved.
Owner:烟台哈尔滨工程大学研究院

Optical modulator and optical transmission device using same

An optical modulator with which electrical connection between a signal electrode and signal wiring of a wiring substrate can be reliably made even in a case where a width of the signal electrode in an action portion of an optical control substrate is narrow is provided. An optical modulator includes an optical control substrate (1) that includes an optical waveguide (OW) including at least a branched waveguide which branches one light wave into two light waves, and that includes a control electrode for applying an electrical field to the branched waveguide, and a wiring substrate provided with a wiring which relays an electrical signal to be applied to the control electrode or with a wiring which terminates the electrical signal, in which the control electrode is provided with a signal electrode(S), the wiring is provided with signal wiring, and in a part (Sc) in which electrical connection is made between the signal electrode(S) and the signal wiring, a clearance (W1) in which the branched waveguide (OW) sandwiches the signal electrode is wider than a clearance (W2) in which the branched waveguide sandwiches the signal electrode in an action portion in which the control electrode applies the electrical field to the branched waveguide.
Owner:SUMITOMO OSAKA CEMENT CO LTD

Micro-nano particle optical control method and device based on circularly polarized light

The invention relates to the technical field of optical control, in particular to a micro-nano particle optical control method and device based on circularly polarized light. The invention aims to solve the problem of insufficient flexibility of optical control. The optical control method comprises the following steps: pre-processing micro-nano particles to be controlled; the initial Gaussian beam is processed into a circular polarization tube type beam through a beam shaping module, a light guiding module and a polarization regulation and control module, and the micro-nano particles are irradiated from the position above the gas-liquid interface according to a preset mode; by adjusting the polarization regulation and control module and the light guide module, the motion direction, the motion speed and the stop position of the micro-nano particles are optically controlled. The optical control device comprises a control platform module, a laser emitting module, a light beam shaping module, a light guiding module, a polarization regulation and control module and an imaging monitoring module.
Owner:FOSHAN UNIVERSITY

All-optical switching device with high isolation for automotive and other applications

Purely optically controllable switching device for purely optical control of the current flow in a line (LTG), wherein the purely optically controllable switching device comprises a line (LTG) and where one line (LTG) comprises a first line section and wherein one line (LTG) includes a second line section that is different from the first line section and does not overlap, and wherein the purely optically controllable switching device comprises an optically controllable switch (T2) and wherein the purely optically controllable switching device comprises one or more purely optical sensor elements (SE) and wherein the optically controllable switch (T2) is positioned in the line (LTG) between the first line section and the second line section and wherein the optically controllable switch (T2) in an “on” state electrically connects the first line section of the line (LTG) with the second line section of the line (LTG) and wherein the optically controllable switch (T2) in an “off” state electrically separates the first line section of the line (LTG) from the second line section of the line (LTG) and wherein an optical switching signal (SB) determines which of these two states, "On" state or "Off" state, the optically controllable switch (T2) assumes, and wherein the respective purely optical sensor element (SE) of the one or more purely optical sensor elements (SE) comprises a respective carrier material (TM) with respective crystals comprising one or more respective paramagnetic centers (NV), and wherein the respective purely optical sensor element (SE) of the one or more purely optical sensor elements (SE) emits a respective fluorescence radiation (FL) when irradiated with respective pump radiation (LB), which depends on the respective magnetic flux density B at the respective location of the respective purely optical sensor element (SE), and wherein the respective purely optical sensor element (SE) of the one or more purely optical sensor elements (SE) is positioned relative to the first line section such that a line current (I LTG) in the first section of the line (LTG) a magnetic field with a respective flux density B is generated at the respective location of the respective purely optical sensor element (SE), such that, at sufficient current strength, one or more respective paramagnetic centers (NV) of the respective purely optical sensor element (SE) influence the respective fluorescence radiation (FL) of these one or more respective paramagnetic centers (NV) of the respective purely optical sensor element (SE) in a specific respective way with respect to the respective purely optical sensor element (SE), characterized by that the purely optically controllable switching device has first respective means (LWL1, PL1, LIV) assigned to the respective purely optical sensor element (SE) for irradiating the one or more respective paramagnetic centers (NV) of the respective purely optical sensor element (SE) with respective pump radiation and that the purely optically controllable switching device second means (LWL2, F1, PD, LIV) which are assigned to the respective purely optical sensor element (SE), - for detecting and separating the respective fluorescence radiation (FL) of the one or more respective paramagnetic centers (NV) of the respective purely optical sensor element (SE) and - for the acquisition of a respective measurement signal, which depends on the respective intensity of the respective fluorescence radiation (FL) of the respective paramagnetic centers (NV1) of the respective purely optical sensor element (SE) and / or on the respective phase shift Δt of the respective modulation signal of the respective temporal course of the respective intensity of the respective fluorescence radiation (FL) of the respective paramagnetic centers (NV1) of the respective purely optical sensor element (SE) relative to the respective modulation signal of the respective temporal course of the respective intensity of the respective pump radiation (LB) irradiating the respective paramagnetic centers (NV1) of the respective purely optical sensor element (SE), or relative to a signal associated with this respective signal (e.g., respective transmit signal S5) and / or its respective temporal course, - wherein the respective first means and respective second means may comprise common respective device parts (LWL1, LWL2) relating to a respective purely optical sensor element (SE) individually and / or relating to several purely optical sensor elements (SE) depending on the application, and that the purely optically controllable switching device has third means (LIV) to generate an optical switching signal (SB) and to control the state of the optically controllable switch (T2) with this optical switching signal (SB) and that the optical switching signal (SB, SB') is derived from one or more respective intensities of one or more respective fluorescence radiation (FL, FL') of the respective paramagnetic centers (NV1, NV1') of one or more purely optical sensor elements (SE, SE') and / or from one or more respective phase shifts Δt of one or more respective modulation signals of one or more respective time profiles of one or more respective intensities of one or more respective fluorescence radiation (FL, FL') relative to one or more respective modulation signals of one or more respective time profiles of one or more respective intensities of one or more respective pump radiation (LB, LB') or relative to one or more respective signals associated with one or more respective signals (e.g.,depends on the transmission signals S5, S5') and / or their respective temporal progressions.
Owner:ELMOS SEMICON AG +1

Optical control element, optical modulation device using the same, and optical transmission apparatus

ActiveCN115380240BSuppress propagation lossesReduce construction differencesElectromagnetic transmissionOptical waveguide light guideOptical controlWaveguide
Provided is an optical control element capable of arranging an input portion and an output portion of an optical waveguide on the same side of a substrate in which the optical waveguide is formed, and capable of reducing differences in the configuration of each branch waveguide while minimizing optical path differences between branch waveguides. The optical control element has a substrate (1) having an electro-optic effect, an optical waveguide (2) formed in the substrate, and a control electrode that controls an optical wave propagating in the optical waveguide, characterized in that an input portion (incident light (L1)) and an output portion (emitted light (L2)) of the optical waveguide are formed on the same side of the substrate, the optical waveguide has at least one Mach-Zehnder type optical waveguide portion (MZ) having two branch waveguides (21, 22) branched from one optical waveguide and recombining the two branch waveguides to form one optical waveguide, and the branch waveguides have an even number of return portions (A1, A2).
Owner:SUMITOMO OSAKA CEMENT CO LTD

Optical-mechanical gas sensor based on graphene annular microcavity

The invention belongs to the technical field of biochemical sensing, and particularly relates to an optical-mechanical gas sensor based on a graphene annular microcavity. According to the sensor, a high-sensitivity and low-noise gas detection platform is constructed by combining a high-quality-factor annular microcavity with single-layer graphene; the sensor excites the boundary of the cavity to generate optical mechanical vibration by utilizing radiation pressure generated by propagation of photons in the microcavity; a phonon laser signal with stable frequency and extremely low noise is formed under the continuous action of the pump light; after target gas molecules are adsorbed by graphene, effective mass change of the microcavity is caused, measurable deviation of phonon laser frequency is caused, and therefore real-time high-sensitivity detection of gas concentration is achieved. The optical-mechanical interaction mechanism, the two-dimensional material gas adsorption characteristic and the microcavity optical regulation and control technology are fused, and the device has the advantages of being high in response speed, low in detection limit, easy to integrate and the like and is suitable for multiple scenes such as environment monitoring, biochemical analysis and industrial safety.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Automatic tuning and calibration method and system for crystal resonator

The invention discloses an automatic tuning and calibration method and system for a crystal resonator, and relates to the technical field of automatic control. Comprising the following steps: S1, generating a multi-physics field coupling matrix: constructing three-dimensional space distribution of an electromagnetic-mechanical-thermal coupling field through a quantum dot sensor array, and generating the multi-physics field coupling matrix; s2, determining a compensation amount: determining time-varying characteristic parameters in the magnetic component, the mechanical component and the thermal component, constructing a nonlinear multi-body coupling state equation, and determining the corresponding compensation amount; and S3, multi-dimensional cooperative compensation: respectively carrying out mechanical compensation, capacitance compensation and light-operated tuning, and carrying out cooperative compensation through multiple actuators. According to the method, modeling is performed through high-precision three-dimensional space distribution of multiple physical fields, and the interaction of electromagnetic coupling, mechanical coupling and thermal coupling is quantified through the obtained total coupling strength among the resonators, so that the defect that the multi-body effect is ignored in a traditional method is overcome.
Owner:LINYI YAXIN ELECTRONIC TECH CO LTD

Energy-saving dimming assembly and manufacturing method

The invention discloses an energy-saving dimming assembly and a manufacturing method, and relates to the technical field of building energy-saving facilities, and the energy-saving dimming assembly is sequentially provided with a first transparent layer, a second transparent layer, a third transparent layer and a fourth transparent layer from outside to inside, the temperature response functional layer comprises a mixture of at least two thermochromic high polymer materials and is configured to realize adjustment of light transmittance in a preset temperature interval; the second transparent layer is used for supporting the temperature response functional layer; and an optical regulation and control layer configured to have a low-radiation characteristic in a long-wave infrared region. According to the invention, the transmittance of visible light and infrared light of the window can be changed along with the change of temperature at 20-38 DEG C. Meanwhile, programmed adjustment of the corresponding temperature response interval can be achieved through temperature change; and the gradual change of the transmittance of visible light and infrared light can be regulated and controlled in a programmed manner through the temperature change, so that the effects of regulating the indoor brightness and temperature and protecting the visual comfort of a user are realized, and the aim of saving energy is fulfilled.
Owner:HUNAN INST OF TECH

Atomic sensing laser collimation rounding method based on function multiplexing metasurface

The invention discloses an atomic sensing laser collimation rounding method based on a function multiplexing metasurface. Through the metasurface phase regulation and control technology, a metasurface unit library meeting the collimation phase configuration requirement and circular polarization combined regulation and control is designed, and dual-function integration of collimation of emergent light of the atomic sensing laser and conversion from linear polarization to circular polarization is achieved. A highly circularly polarized collimated light beam is provided for atom system comprehensive polarization through a single-layer metasurface device. According to the technology, the size of a pumping light path in an atom sensing system can be remarkably reduced, the integration degree of a collimation circular polarization light path system is improved, and the technology is suitable for the optical regulation and control requirement of a miniaturized chip atom sensor.
Owner:BEIHANG UNIV

Micro-nano particle self-assembly and optical control method and device based on vector light field

The invention relates to the technical field of optical systems, in particular to a micro-nano particle self-assembly and optical control method and device based on a vector light field. The purpose of the invention is to improve the precision of controlling the micro-nano particles. The first purpose is to provide a micro-nano particle self-assembly and optical control method based on a vector light field, and the method comprises the steps: carrying out the combined regulation and control of the orbital angular momentum and polarization state of a linear polarization Gaussian beam through a light field regulation and control assembly, so as to enable the linear polarization Gaussian beam to be converted into a high-order Poincare vector light field with a spatial polarization distribution characteristic; the vector light field is collimated, reflected and focused through the light guiding assembly, so that the vector light field acts on the micro-nano particles, and the micro-nano particles are self-assembled to form a self-assembled structure; and the rotation direction and the rotation speed of the self-assembly structure are regulated and controlled through the light field regulation and control assembly. The second purpose is to provide a micro-nano particle self-assembly and optical control system based on a vector light field.
Owner:FOSHAN UNIVERSITY

Vehicle-mounted active noise reduction and variable privacy glass integrated regulation and control system and method

The invention relates to the technical field of intelligent cabins, in particular to a vehicle-mounted active noise reduction and variable privacy glass integrated regulation and control system and method.According to the system, vehicle environment and state signals are collected through a signal sensing module, fusion analysis is conducted through a cooperative control module, and a current operation scene is judged based on a safety priority rule; and a cooperative control instruction is generated to drive the integrated execution module. The execution module integrates active noise reduction, glass dimming and partition acoustic isolation functions, and intelligent linkage of optical regulation and control, acoustic noise reduction and voice privacy can be achieved in different scenes such as parking, high speed and VIP. According to the method, the problem that all functions run independently and cannot respond cooperatively in the prior art is solved, and quietness, privacy and overall comfort in the vehicle are remarkably improved.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Electro-optical pod-based method for correcting IMU installation misalignment angle in geographic tracking mode

PCT designated stageWO2026103187A1Image analysisComputational physicsComputer vision
The present application relates to the technical field of electro-optical control. The present application provides an electro-optical pod-based method for correcting an IMU installation misalignment angle in a geographic tracking mode. In embodiments of the present disclosure, online calibration is performed by continuously correcting a target geographic tracking result by means of image-derived line-of-sight angle calculation, thereby enabling an electro-optical pod to achieve more accurate target positioning and geographic tracking during a calibration flight; moreover, storing the calibrated installation misalignment angle ensures target positioning and geographic tracking effects in subsequent flights, thereby significantly improving the execution efficiency of flight missions.
Owner:LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC

Backpack type laser-induced breakdown spectroscopy analysis system

The invention relates to the technical field of spectral analysis, in particular to a knapsack type laser-induced breakdown spectroscopy analysis system which comprises a laser, an optical control system, a probe, a spectrometer, an industrial personal computer, a sample to be detected and a knapsack, and the laser, the spectrometer and the industrial personal computer are all arranged in a main bin of the knapsack. The industrial personal computer is electrically connected with the laser, the optical control system and the spectrograph, one side of the backpack main bin is connected with a handheld probe, and the optical control system is arranged in the probe; laser emitted by the laser enters the optical control system to be focused, the focused laser is output from the probe and is used for burning a to-be-detected sample, plasma radiation generated by the to-be-detected sample is received by the probe and is transmitted to the spectrograph, and the spectrograph is used for completing spectrum detection and transmitting a detection result to the industrial personal computer; and the industrial personal computer performs qualitative and quantitative analysis on elements contained in the to-be-detected sample according to the detection result. The invention provides a portable spectral analysis system.
Owner:CHANGZHOU COLLEGE OF INFORMATION TECHNOLOGY

Near-field radiant heat rectifier based on high-frequency photoelectric effect

The invention discloses a near-field radiant heat rectifier based on a high-frequency photoelectric effect, and belongs to the technical field of radiant heat transport regulation and control. The invention aims to solve the problems that an existing magneto-photo-thermal rectification scheme depends on a strong magnetic field, the size is large, integration is difficult, and electromagnetic interference exists. The invention provides a near-field radiant heat rectifier based on a high-frequency photoelectric effect. The near-field radiant heat rectifier comprises a heat emission layer, an emission end time modulation layer, a receiving end time modulation layer, a heat receiving layer and a nanometer displacement platform. A nanoscale vacuum gap is kept between the photoelectric modulation layers of the transmitting end and the receiving end through a nanometer displacement platform, and dielectric constants of the photoelectric modulation layers are subjected to high-frequency periodic modulation through a dual-mode integrated laser. The modulation phase difference is utilized to break the system time reversal symmetry, and an artificially synthesized magnetic field is introduced to realize near-field radiation heat rectification. The device has the advantages of compact structure, full light control, no magnetic interference and the like, and is suitable for being applied to practical engineering scenes of microelectronic heat dissipation, waste heat recovery, thermal logic circuits and the like.
Owner:HARBIN INST OF TECH

Dual-actuator visual axis stable imaging method and system based on sum-difference mode cooperative control

The invention relates to the technical field of precision optical control, in particular to a sum-difference mode cooperative control double-actuator visual axis stable imaging method and system, and the method comprises the steps: calculating a sum mode variable and a difference mode variable between the angular velocity information of a first actuator and the angular velocity information of a second actuator; performing inverse mode transformation on the two mode variables to obtain independent control commands for respectively controlling the first actuator and the second actuator; the two independent control commands are correspondingly input into the first actuator and the second actuator after being processed through a control algorithm based on data driving. The ultra-high precision of the two actuators is effectively combined, stable control over the optical axis of the optical imaging system is achieved, and the imaging definition and stability of the optical imaging system in the disturbance environment are remarkably improved.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Vehicle-mounted optical fiber communication system and method and vehicle

The invention provides a vehicle-mounted optical fiber communication system and method and a vehicle. The vehicle-mounted optical fiber communication system comprises a main controller, a regional gateway, terminal equipment, a backbone network and an access network, the backbone network and the access network carry out signal transmission based on optical fibers; the backbone network comprises a control signal transmission channel and a data signal transmission channel; the main controller is used for sending an optical control signal to the regional gateway through the control signal transmission channel and sending a first optical data signal to the regional gateway through the data signal transmission channel; and the regional gateway is used for receiving the optical control signal and the first optical data signal, receiving a second optical data signal sent by the terminal equipment through the access network, and sending the second optical data signal to the main controller through the data signal transmission channel. Therefore, high-speed data communication between the slave master controller and the terminal equipment is realized, the data communication rate of the vehicle is improved, and actual use requirements can be met.
Owner:BYD CO LTD

A demodulation system and method for a strong-weak fiber grating hybrid network

ActiveCN121230777BContinuous lightGrating
The application provides a demodulation system and method of a strong-weak fiber grating hybrid network, which comprises: an upper computer for generating an optical control signal, a modulation control signal and a signal collection signal; an optical signal generation unit for outputting a sweep continuous light signal in response to the optical control signal; a fiber splitter for dividing the sweep continuous light signal into a first continuous light signal and a second continuous light signal; a pulse modulation unit for modulating the first continuous light signal to obtain a pulse light signal in response to the modulation control signal; a weak fiber grating sensing module for generating a first electric signal based on the pulse light signal; a strong fiber grating sensing module for generating a second electric signal based on the second continuous light signal; and the upper computer for positioning and demodulating the first electric signal and the second electric signal in response to the signal collection signal. The application realizes the demodulation of the strong-weak fiber grating hybrid network by a single system, and can simultaneously perform a large-capacity, long-distance sensing task and a single-point sensing task.
Owner:WUHAN UNIV OF TECH +1

High-efficiency semitransparent perovskite cell and preparation method thereof

The invention discloses a high-efficiency semitransparent perovskite battery and a preparation method thereof, and belongs to the technical field of batteries. The solar cell comprises a packaging layer, an optical regulation and control layer, a transparent top electrode, a hole transport layer, an interface passivation layer, an activation layer and a substrate from top to bottom, the activation layer comprises Gua (0.05), Cs( 0.05), FA (0.7), MA (0.15), Pb (0.8), Sn (0.2) (I (0.77), Br (0.23) 3), and the thickness of the activation layer And the transparent top electrode comprises ITO (indium tin oxide) / AgNWs / F-IWO (indium tin oxide) of 200 to 300 nm. Visible light transmission and near-infrared absorption are balanced through a B / proportional band gap, Gu inhibits perovskite grain boundary migration and Sn < 2 + > oxidation, a transparent top electrode is ITO / AgNWs / F-IWO, AgNWs reduce sheet resistance, F-IWO improves near-infrared light transmission and prevents Ag oxidation, and the contradiction between PCE and AVT and the defects of a traditional electrode are overcome.
Owner:玻璃新材料创新中心(安徽)有限公司 +1

Remotely configurable variable ratio coupler devices and networks incorporating the same

An optical network includes a plurality of variable ratio coupler (VRC) devices. Each VRC device includes an input, a main output, and a branch output, a VRC, an actuator operable to control the VRC to vary a split ratio of the VRC, a wavelength division multiplex (WDM) filter positioned within the branch output and includes a common port, a transmit port and a reflect port. The WDM filter is operable to pass a control wavelength at the transmit port and a filtered optical signal at the reflect port, and a controller operable to receive an optical control signal from the WDM filter and control the actuator to manipulate the VRC to a desired split ratio. The input, the main output and the branch output of the plurality of VRC devices are coupled such that the plurality of VRC devices is arranged in a branching network having a plurality of levels.
Owner:CORNING RES & DEV CORP

Apparatus for lamp of vehicle

A vehicle lamp apparatus according to an embodiment may include an actuator unit for the optic control of the vehicle lamp; a light source unit arranged near the actuator unit; and a control unit controlling light emission from at least some areas in the light source unit based on a control or pattern.
Owner:HYUNDAI MOBIS CO LTD

Photostimulation responsive rare earth functionalized HOFs material, and preparation method and application thereof

PendingCN120289818AInksBenzoic acidCyclopentene
The invention relates to a photostimulation responsive rare earth functionalized HOFs material as well as a preparation method and application thereof. The material comprises a hydrogen bond organic framework and a luminescent rare earth complex, the mass ratio of the luminous rare earth complex to the hydrogen bond organic framework is 0.1-0.2; the method comprises the following steps: constructing HOFs by using 4, 4 '-((perfluorocyclopent-1-ene-1, 2-diyl) bis (5-methylthiophene-4, 2-diyl)) dibenzoic acid (DAE) as a skeleton trunk and 4, 4', 4 '', 4'' '-methane tetrabenzamidine (TAM); according to the obtained material, DAE is subjected to a ring opening / closing isomerization reaction under ultraviolet / visible light illumination, meanwhile, topological configuration conversion of HOFs is carried out, fluorescence on / off reversible light regulation and control of the rare earth functionalized HOFs are achieved by coating a rare earth complex through the porosity of the HOFs, and the material is further used for multiple times of reciprocating light-operated encryption and decryption of information.
Owner:HEBEI UNIV OF TECH

Flexible display module, vehicle-mounted curved surface display module, and vehicle

A flexible display module, a vehicle-mounted curved surface display module, and a vehicle are provided. The flexible display module (10) comprises: a support layer (11); a flexible display panel (12) on the support layer (11); and an optical control layer (13), on the side of the flexible display panel (12) away from the support layer (11), and comprises first and second light control layers (131) and (132) on one side of the first light control layer (131), wherein the dimming rate of the first light control layer (131) is greater than that of the second light control layer (132). The flexible display module (10) uses the first and second light control layers (131) and (132) to realize visual angle brightness control of different regions, can be applied to vehicle-mounted display to solve the problem whereby curved surface display tends to form a projection on a windshield.
Owner:CHENGDU BOE OPTOELECTRONICS TECH CO LTD +1

A fast mirror control system and method based on an FPGA platform

The application discloses a fast reflecting mirror control system and method based on an FPGA platform and belongs to the technical field of optical control. The system comprises a host computer, external ADC and DAC, a fast reflecting mirror driving module, a fast reflecting mirror assembly and an FPGA. The FPGA is integrated with a fast feedback position processing assembly and a host computer communication, ADC data acquisition and preprocessing and DAC control and instruction output module. The communication module is bidirectionally interacted with the host computer. The ADC data acquisition and preprocessing module receives a position signal output by the external ADC and pre-processes the position signal. The fast feedback position processing assembly combines a control instruction with an actual position, generates a digital control instruction through path generation, interpolation operation and PID control, and the DAC control and instruction output module converts the instruction into an analog signal through the external DAC, drives the fast reflecting mirror assembly to move. The application solves the problems of high signal transfer delay and poor multi-task coordination in the traditional signal transfer through a highly integrated hardware control architecture in the FPGA, and realizes high-precision, low-delay response and reliable control of the fast reflecting mirror.
Owner:西安应用光学研究所

Display panel and display apparatus

PCT designated stageWO2026045696A1EngineeringOptical control
The present disclosure relates to the technical field of display, and provides a display panel and a display apparatus aiming to improve the display quality of top-emitting devices. The display panel comprises: a substrate comprising a plurality of pixel regions; a plurality of monochromatic light-emitting devices located on a side of the substrate, wherein each pixel region comprises a plurality of monochromatic light-emitting devices corresponding to different colors; and an optical control layer, located on a side of the monochromatic light-emitting devices away from the substrate and / or adjacent to the substrate, the optical control layer comprising a plurality of optical control regions, and an orthographic projection of each optical control region on the substrate overlapping with an orthographic projection of one monochromatic light-emitting device on the substrate, wherein optical control regions overlapping with monochromatic light-emitting devices corresponding to different colors have different thicknesses.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Optical terminal multiplexer, optical control method, apparatus, and system

The present application provides a first optical terminal multiplexer (OTM), an optical control method, an apparatus, and a system, capable of being applied to an optical transport network. The first OTM comprises a first wavelength selective switch (WSS) and a first coupler; the first WSS is configured to receive a first service optical signal of a first wavelength and a first dummy optical signal of a second wavelength, combine the first service optical signal and the first dummy optical signal, and transmit a combined signal to the first coupler; and the first coupler is configured to combine the first service optical signal and the first dummy optical signal and transmit the combined signal to an optical fiber. The first WSS in the first OTM provided by the present application, as an access component for the first service optical signal and the first dummy optical signal, supports bandwidth adjustment and attenuation control of ports, preventing conflict between the first dummy optical signal and the first service optical signal; in addition, by introducing the first coupler, parallel operation of multiple WSSs can be supported, meeting the requirements for large-scale add / drop operations in the OTM, and improving system transmission performance.
Owner:HUAWEI TECH CO LTD

Rapid dynamic separation method and device for radial and angular polarization components of light beam

The invention belongs to the technical field of optics, and particularly relates to a rapid dynamic separation method and device for radial and angular polarization components of a light beam, and efficient and dynamic polarization component separation is realized by using the birefringence characteristic of an SBN uniaxial crystal and applying an adjustable electric field to the crystal in combination with an external electric field module. According to the method, radial and angular polarization components can be gradually separated and focused on different focuses in the propagation process, the positions of the focuses are flexibly controlled by adjusting the direction and size of the external electric field, and higher flexibility and accuracy are provided. Therefore, the flexibility and efficiency in the fields of optical control, high-resolution imaging, optical communication, quantum information processing and the like are remarkably improved, and more efficient and accurate light beam processing technical support is provided for the applications.
Owner:SHENZHEN TECH UNIV

Laser cleaning system

The utility model relates to a laser cleaning system which comprises an operation room, a workbench, a laser generating system, an intelligent identification system and a controller, the workbench, the laser generating system, the intelligent identification system and the controller are arranged in the operation room, a workpiece to be cleaned is placed on the workbench, the laser generating system is used for enabling laser to act on the workpiece to be cleaned, and the intelligent identification system comprises a scanning assembly. The scanning assembly is used for planning a cleaning path, cleaning path information of the scanning assembly is sent to the controller, and the controller controls the optical control assembly to adjust the cleaning position of the laser acting on the to-be-cleaned workpiece. The workpiece to be cleaned is scanned through the intelligent recognition system, a proper cleaning path is planned for the workpiece to be cleaned, the optical control assembly emits the laser beam to the surface of the workpiece to be cleaned according to the cleaning path for laser cleaning, physical contact with the surface of the workpiece to be cleaned is avoided through laser cleaning, mechanical damage is avoided, and the service life of the workpiece to be cleaned is prolonged. And the cleaning area of the to-be-cleaned workpiece can be accurately controlled through the proper cleaning path.
Owner:SHAOXING XINLIAN SEMICON TECH CO LTD

Electromagnetic mechanical shutter device and high-power laser comprising the same

PendingCN122449756AShutterLight beam
The present application relates to the technical field of laser optical control, and particularly relates to an electromagnetic mechanical shutter device, a light blocking piece of the device can reciprocate along a straight line, so that the light blocking piece is switched between a light beam passing position and a light beam blocking position, thereby realizing flexible control of the on-off of a laser beam. Meanwhile, by setting a diffuse reflection heat dissipation unit and setting a reflecting surface on the light blocking piece, when the light blocking piece is in the light beam blocking position, the incident laser beam can be reflected to the diffuse reflection heat dissipation unit, the laser energy is received and absorbed by the diffuse reflection heat dissipation unit, and the heat is dissipated in time, so that the problem of heat accumulation is effectively relieved, and the service life of the device is significantly prolonged. The present application also relates to a high-power laser, which comprises the electromagnetic mechanical shutter device.
Owner:ACADEMY OF MILITARY MEDICAL SCIENCES