| Patents for G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength (4,525) |
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| 08/07/2012 | US8238745 Collection of data from an optical channel monitor without causing a malfunction of a transmission apparatus |
| 08/01/2012 | CN102621688A Self-adapting optical system based on differential sensor |
| 08/01/2012 | CN102621687A Solar multi-conjugate adaptive optical system |
| 08/01/2012 | CN102620842A Device and method for detecting optical surface shapes of hole diffraction spherical waves |
| 08/01/2012 | CN102252765B Wavefront aberration detection device and method for beam expansion and collimation system |
| 07/25/2012 | EP2479546A1 Wavefront correction of light beam |
| 07/25/2012 | EP2479532A1 Wavefront measurement apparatus |
| 07/25/2012 | CN202350926U System capable solving problem of optical axis deflection in wave aberration detection for small-field lens |
| 07/25/2012 | CN202350925U Tunable laser wavelength search optical system based on sampled grating distributed bragg reflector (SGDBR) |
| 07/25/2012 | CN102607720A Method and system for measuring optical distance |
| 07/25/2012 | CN102607719A Wave-front aberration detection device based on transverse shearing interference for beam expanding collimation system |
| 07/25/2012 | CN102607718A Hartmann wavefront sensor employing different-time exposure |
| 07/25/2012 | CN102607717A Coherent detection system and method for homologous common beam of laser |
| 07/25/2012 | CN102353461B Method for nondestructively measuring multimode cutoff wavelength of lithium niobate waveguide phase modulator |
| 07/25/2012 | CN102073136B Optimized distribution method for energy of liquid crystal adaptive optical system |
| 07/25/2012 | CN101841128B Dynamic wavelength identification method and device with fast temperature tuning of laser diode |
| 07/24/2012 | US8228586 Iterative fourier reconstruction for laser surgery and other optical applications |
| 07/18/2012 | CN102589720A Hartmann wavefront measuring instrument applicable to inhomogeneous light illumination |
| 07/18/2012 | CN102589416A Wavelength scanning interferometer and method for aspheric measurement |
| 07/18/2012 | CN101444418B Iterative fourier reconstruction for laser surgery and other optical applications |
| 07/18/2012 | CN101435969B Free-space integrated photodetector with reduced phase tracking error |
| 07/11/2012 | CN102564731A Device for measuring focal length and wavefront distortion of lens |
| 07/11/2012 | CN102564613A Wavelength tracker |
| 07/11/2012 | CN102564612A Component prism-based phase diversity wavefront sensor |
| 07/11/2012 | CN102564611A High-power laser wave front measuring instrument and wave front measuring method |
| 07/11/2012 | CN102095504B Ring common-path point diffraction interferometer based on spatial phase modulation |
| 07/11/2012 | CN102032950B Method for measuring coherent length of entire atmosphere by observing stars in daytime |
| 07/11/2012 | CN101806957B Wave-front sensor and corrector aligning device in self-adaptive optical system |
| 07/04/2012 | CN202305012U Spatial spectrum test device for semiconductor laser with multiple lighting units |
| 07/04/2012 | CN102540778A Measuring system and photoetching device using same |
| 07/04/2012 | CN102540170A Calibration method based on phase measurement of double-wavelength laser tube and distance measurement device of double-wavelength laser tube |
| 07/04/2012 | CN102538986A Three-window based common-path interference detecting method and device |
| 07/04/2012 | CN102538985A Sensing signal detecting device and method based on fiber Brillouin ring laser |
| 07/04/2012 | CN102538984A Continuous zooming atmospheric coherent length measuring and imaging device |
| 07/04/2012 | CN102155924B Four-step phase shifting method based on absolute phase recovery |
| 07/04/2012 | CN102095503B Wavefront detection and reconstruction method based on differential sensor |
| 07/04/2012 | CN101889189B Surface shape measuring device and method |
| 06/28/2012 | WO2012087136A1 Optical measuring device |
| 06/28/2012 | US20120162657 Coherency Reduction for Bandwidth Measurement |
| 06/28/2012 | DE102011089642A1 Light travel time sensor i.e. photo mixing detector-sensor, for three-dimensional time-of-light camera, has evaluation device determining distance value based on electrical parameters, where additional parameters are used to determine value |
| 06/28/2012 | DE102011089636A1 Light propagation time camera system, has evaluation unit connected with light propagation time sensor and photosensor and designed to start distance measurement depending on signals of photosensor |
| 06/27/2012 | EP2469255A1 Optical measuring device |
| 06/27/2012 | EP1526948B1 Uniform thin films produced by magnetorheological finishing |
| 06/27/2012 | CN102519611A Light path sharing axial shear digital wave surface interferometer |
| 06/27/2012 | CN102519610A High-precision phase shift device of lateral shear interferometer |
| 06/27/2012 | CN102519609A Dual-channel lateral shearing interferometer |
| 06/27/2012 | CN102519608A Method for assembling microobjective on point-diffraction interferometer |
| 06/27/2012 | CN102519607A Satellite-borne atmospheric coherent length testing method and satellite-to-ground coherent optical communication method |
| 06/20/2012 | CN202281653U 数字激光干涉仪抗震动装置 Digital Laser Interferometer anti-vibration devices |
| 06/20/2012 | CN102507020A Microlens array-based synchronized phase-shifting interference test method and test device |
| 06/20/2012 | CN102507019A Hartmann wavefront sensor based on micro-scanning for image quality detection |
| 06/14/2012 | WO2012076500A1 Method and system for demodulating signals |
| 06/13/2012 | CN102494874A Tunable laser type fiber Bragg grating wavelength demodulation device |
| 06/13/2012 | CN102494785A Device and method for measuring transfer matrix of adaptive optics system based on Hadamard matrix multi-channel method |
| 06/12/2012 | CA2636740C Sequential wavefront sensor |
| 06/07/2012 | WO2012073346A1 Light-receiving module for semiconductor light-emitting element and inspection device for semiconductor light-emitting element |
| 06/07/2012 | WO2012073345A1 Light-receiving module for light-emitting element and inspection device for light-emitting element |
| 06/07/2012 | WO2012072090A1 Method of determining a border of an intensity distribution |
| 06/06/2012 | CN102175332B Method for recovering phases from interferograms containing phase-shift error |
| 05/30/2012 | EP2457072A2 Shack hartman sensor with removable lenslet array |
| 05/30/2012 | CN102483358A 具有可拆卸的小透镜阵列的夏克哈特曼传感器 Shack-Hartmann sensor has a removable lenslet array |
| 05/29/2012 | CA2521845C Wavefront calibration analyzer and methods |
| 05/24/2012 | WO2011134562A9 System for producing a signal having an adjustable time position or phase position |
| 05/23/2012 | CN101819069B White light interferometer with fast zero-setting system |
| 05/16/2012 | EP2452221A1 Microscopy with adaptive optics |
| 05/16/2012 | DE102011017435B3 Method for controlling multidimensional manipulated variable of sensor data, involves subjecting coarse actuator to sum coarse adjustment function obtained by processing coarse actuator function with coarse adjustment function |
| 05/15/2012 | CA2448346C Fiber optic scanning interferometer using a polarization splitting coupler |
| 05/10/2012 | WO2012059690A1 Apolarized interferometric system, and apolarized interferometric measurement system |
| 05/09/2012 | CN202216766U Collimated light beam detection device |
| 05/09/2012 | CN102449454A Wavefront imaging sensor |
| 05/09/2012 | CN102445280A Detection device and method for small hole calibration |
| 05/09/2012 | CN102445279A Device and method for measuring wave lengths of interferometer |
| 05/09/2012 | CN102445278A Method and system for detecting three-dimensional micro-retardation film |
| 05/08/2012 | US8174702 Speckle reduction in optical coherence tomography by path length encoded angular compounding |
| 05/02/2012 | CN102109414B Method and device for calibrating phase modulation of spatial light modulators by utilizing heterodyne interference |
| 04/29/2012 | CA2719383A1 System and method for determining the envelope of a modulated signal |
| 04/26/2012 | DE10125008B4 Abtastender Grossbereich-Oberflächenformanalysator Scanningly large range Oberflächenformanalysator |
| 04/25/2012 | CN1749714B Method and apparatus for delay-sensitive measurement of a signal |
| 04/25/2012 | CN102426061A Hartmann wavefront sensor with adjustable dynamic range |
| 04/25/2012 | CN102425988A 一种用于移相干涉条纹图的相位提取方法 A phase extraction method for the phase-shift interference fringe pattern |
| 04/18/2012 | EP2442068A2 Methods and devices for charge management for three-dimensional and color sensing |
| 04/18/2012 | CN102419213A 基于衍射光栅阵列的哈特曼波前传感器 Hartmann wavefront sensor based on diffraction grating array |
| 04/17/2012 | US8160458 Optical phase-modulation evaluating device |
| 04/11/2012 | EP2439716A2 Object identification device, moving object controlling apparatus having object identification device and information presenting apparatus having object identification device |
| 04/11/2012 | EP2438413A2 Wavefront imaging sensor |
| 04/11/2012 | CN202188911U 多波长激光波长计 Multi-wavelength laser wavelength meter |
| 04/05/2012 | DE102010041747A1 Apparatus for generating data for determining visual acuity-related changes after treatment of cornea of eye, has comparison module that compares measured illustration influencing property with illustration affecting property of cornea |
| 04/04/2012 | EP2436307A1 Speckle reduction in optical coherence tomography by path length encoded angular compounding |
| 04/04/2012 | CN102401666A 一种光纤光栅反射波长的解调方法和装置 A method and apparatus for demodulating fiber grating reflection wavelength |
| 03/28/2012 | CN202177460U 太赫兹波长仪 THz wavelength meter |
| 03/28/2012 | CN102393255A System capable of solving inclination problem of narrow field of view lens in wave aberration detection and method thereof |
| 03/28/2012 | CN102393254A Lagrange Gaussian beam Gouy phase parameter measuring method |
| 03/21/2012 | CN1793805B Method for eliminating error of Shack Hartmann wavefront sensor model |
| 03/21/2012 | CN102388298A High-speed optical sampling by temporal stretching using four-wave mixing |
| 03/21/2012 | CN102169020B Assembly line device for performing Hartmann wave-front sensor mass center operation |
| 03/20/2012 | US8138483 Method of measuring phase of phase shift mask |
| 03/20/2012 | CA2443280C Motion detection apparatus employing millimeter wave detector |
| 03/15/2012 | WO2012031784A1 An optical measurement method and system |
| 03/14/2012 | CN202168091U 一种密集型光波复用系统用便携式光波长通道识别仪 One kind of intensive wave multiplexing system with a portable optical wavelength channel identification device |
| 03/14/2012 | CN102374900A Space spectroscopy testing method and device for multi-luminescent-unit semiconductor laser |