| Patents for G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength (4,525) |
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| 07/07/2010 | CN101769717A Extended range focus detection apparatus |
| 07/07/2010 | CN101482394B Light intensity correcting method for arranging annular light intensity monitoring section around interferogram |
| 07/07/2010 | CN101319873B Spacing phase shifter used for synchronous phase shift interferometer |
| 07/07/2010 | CN101290248B Single-mode infra-red wavemeter based on Mach-Zehnder Interferometer filtering principle |
| 06/30/2010 | EP2202480A2 Extended range focus detection apparatus |
| 06/30/2010 | EP2201348A1 System and method to determine chromatic dispersion in short lengths of waveguides using a 3-wave interference pattern and a single-arm interferometer |
| 06/30/2010 | CN201518064U Axisymmetric phase delay plate based on azobenzene polymer and making device |
| 06/30/2010 | CN1904665B Method for correcting common-mode wavefront sensor calibration in adaptive optical system |
| 06/30/2010 | CN101762331A Common-path radial shear interferometer based on four-step spatial digital phase-shift |
| 06/30/2010 | CN101762330A Device and method for accurately measuring optical wavelength of single-mode infrared laser |
| 06/30/2010 | CN101393376B Coherent synthesis phase observe and control apparatus based on stripe characteristic extraction |
| 06/30/2010 | CN101126836B 100% matching circular, annular equal light beam aperture microarray grating |
| 06/24/2010 | US20100157310 Optical system for creating interference between photons |
| 06/24/2010 | US20100157309 Speckle reduction in optical coherence tomography by path length encoded angular compounding |
| 06/24/2010 | DE102008056868B3 Lasererfassungsvorrichtung und Lasererfassungsverfahren Laser detection device and laser detection method |
| 06/23/2010 | CN101751048A Temperature control method and temperature control device for wavelength detecting device |
| 06/23/2010 | CN101285735B Hartmann sensor for enlarging dynamic range through separating wave face integral inclination |
| 06/16/2010 | CN201508161U Space wave filtering hologram-interferometer |
| 06/16/2010 | CN1971232B Hartmann wavefront sensor with active alignment function and detection method therefor |
| 06/16/2010 | CN101738721A Adaptive optical imaging system with system error-free Hartmann wavefront sensor |
| 06/10/2010 | WO2010064022A1 Wavefront sensing method & apparatus |
| 06/09/2010 | CN101726366A Wavefront measurement method and device based on multiple-pinhole plate |
| 06/09/2010 | CN101334315B Method and device for measuring light beam orbit angular momentum spectrum |
| 06/08/2010 | US7733497 Method and apparatus for performing optical imaging using frequency-domain interferometry |
| 06/08/2010 | US7732750 Wavefront coding interference contrast imaging systems |
| 06/08/2010 | US7731363 Iterative fourier reconstruction for laser surgery and other optical applications |
| 06/02/2010 | CN101718590A Calibration device of self-adaption optical system based on far field performance indexes |
| 06/02/2010 | CN101718563A Phase-shift white light interferometry method based on 3*3 optical fiber coupler |
| 06/02/2010 | CN101315301B Double-light path denoising carrier wave-envelope phase measuring apparatus |
| 06/02/2010 | CN101231369B Waveguide type polarization independence light ring machine based on polarization mode segregator |
| 06/02/2010 | CN101178477B Quick directional column type LCD self-adapting optical system |
| 05/27/2010 | WO2010058199A1 Mirror structure |
| 05/27/2010 | WO2010058193A2 Mirror structure |
| 05/26/2010 | EP2189769A1 Mirror structure |
| 05/26/2010 | EP2189768A1 Mirror Structure |
| 05/26/2010 | EP1444482B1 Scanning interferometer for aspheric surfaces and wavefronts |
| 05/26/2010 | CN101048648B Optical delay |
| 05/25/2010 | US7724786 Process and apparatus for a wavelength tuning source |
| 05/20/2010 | WO2010055585A1 Delayed interferometer and receiving device provided with same |
| 05/20/2010 | DE102008045359B3 Detektion von Veränderungen eines Zeitabstands optischer oder elektrischer Signale Detection of changes in a time spacing of optical or electrical signals |
| 05/19/2010 | CN101710001A Multi-penetration ultrastable interferometer and high-precision phase measurement method thereof |
| 05/14/2010 | WO2010054097A2 System and method for providing full jones matrix-based analysis to determine non-depolarizing polarization parameters using optical frequency domain imaging |
| 05/12/2010 | EP2084503B1 Integrated monolithic interference detection device |
| 05/12/2010 | CN201464766U High-power scanning light source output mechanism used on fiber Bragg grating signal processor |
| 05/12/2010 | CN201464160U System for measuring phase delay devices with different wavelengths by single wavelength light source |
| 05/12/2010 | CN201464031U Full automatic high-speed light-splitting and color-separation equipment for surface mount device SMD LED |
| 05/12/2010 | CN1759331B Wavelength filter and wavlength monitor device |
| 05/11/2010 | US7712900 Wavefront characterization of corneas |
| 04/28/2010 | EP2180301A2 Wavelength shift measuring apparatus, optical source apparatus, interference measuring apparatus, exposure apparatus, and device manufacturing method |
| 04/22/2010 | WO2010043895A1 Apparatus and method for operating a spectrometer |
| 04/22/2010 | CA2768994A1 Spectrometer readout configuration |
| 04/20/2010 | US7699467 Method and device for performing online aberrometry in refractive eye correction |
| 04/15/2010 | US20100094135 Systems and methods for phase measurements |
| 04/15/2010 | US20100092168 Optical coherent receiver, apparatus for and method of monitoring performance thereof |
| 04/14/2010 | CN101694405A Sensing wavelength demodulation scheme based on microwave power detection |
| 04/14/2010 | CN101694369A Fizeau interferometer with simultaneous phase shifting |
| 04/08/2010 | WO2010038418A1 Surface shape measuring device and method |
| 04/08/2010 | DE102008060689B3 Optical wave field i.e. linear polarized light, measuring method, involves converting radiation of optical wave field into first radiation from which second radiation is generated, and detecting third radiation by image recorder |
| 04/07/2010 | CN101692009A Crystal phase difference wave front detector |
| 03/31/2010 | EP2167921A1 Referencing of the beating spectra of frequency combs |
| 03/31/2010 | CN101686085A Optical coherent receiver as well as performance monitoring device and method thereof |
| 03/24/2010 | CN100595535C Improved wavelength detector |
| 03/10/2010 | CN101666685A Device and method for extracting low coherence interference center fringe based on two-dimensional image |
| 03/04/2010 | US20100054288 Method and Device for Reducing Laser Phase Noise |
| 03/02/2010 | US7670371 Multifocal ophthalmic lens |
| 02/25/2010 | US20100045999 Optical phase-modulation evaluating device |
| 02/24/2010 | EP1438774B1 Very narrow band, two chamber, high rep rate gas discharge laser system |
| 02/23/2010 | US7667188 Position measuring device including a scale having an integrated reference marking |
| 02/18/2010 | DE102008038883A1 Microphone assembly for measuring sound signals, particularly in hot temperature, has switching device that alternatively defers light of frequency to link another light of another frequency into light conductor |
| 02/17/2010 | CN101650226A Micro phase delay measuring device for optical element based on laser feedback |
| 02/10/2010 | CN101644606A Method for testing wave phase difference of optical imaging system |
| 02/10/2010 | CN100588896C Bandwidth estimation |
| 02/09/2010 | US7659971 Lensometers and wavefront sensors and methods of measuring aberration |
| 02/04/2010 | DE102008035996A1 Angle of rotation sensor has fiber optical waveguide with fiber-Bragg-grating, where fiber optical waveguide is birefringent in area of fiber-Bragg-grating, which is spaced together |
| 02/03/2010 | CN101639383A Measuring method of active and passive combined phase shifting interference wave surface |
| 02/03/2010 | CN101639382A Method of using spherical wave front for absolute calibration of Hartmann-Shack sensor |
| 02/02/2010 | US7657080 Method and apparatus for producing an image containing depth information |
| 01/27/2010 | CN101634594A Phase measurement device of beam splitter |
| 01/27/2010 | CN100585351C Mach-Zehnder shear wave surface measuring system and measuring method thereof |
| 01/26/2010 | US7652770 Optical nonliner evaluation device and optical switching element |
| 01/21/2010 | US20100012818 Optical characteristic mapping instrument |
| 01/20/2010 | CN100583144C Multi-frame self-adaption optical image high resolution restoration method using wave front data |
| 01/20/2010 | CN100582691C Automatic apparatus for LED tester table |
| 01/12/2010 | CA2490592C Method for increasing accuracy of measurement of mean polarizaton mode dispersion |
| 01/12/2010 | CA2303602C Method and apparatus for measuring phase differences between intensity-modulated optical signals |
| 01/07/2010 | WO2010001047A1 Device for the optical characterisation of an object having very small dimensions |
| 01/07/2010 | US20100001199 Method of measuring phase of phase shift mask |
| 01/07/2010 | DE102006014568B4 Vorrichtung zur Bestimmung der Wellenlänge, Wellenlängenmessinstrument ausgerüstet mit der Vorrichtung, Verfahren, Programm und Speichermedium zur Bestimmung der Wellenlänge Device for determining the wavelength, wavelength measuring instrument equipped with the device, method, program and storage medium for determining the wavelength |
| 01/06/2010 | EP2140240A1 Method of determining an optical wave disturbance |
| 12/30/2009 | CN101614593A Reflecting pyramid wave-front sensor |
| 12/30/2009 | CN100576079C Grating patch arrangement, lithographic apparatus, method of testing, device manufacturing method |
| 12/23/2009 | CN100573081C Hartman wavefront sensor with passive alignment function and testing method thereof |
| 12/23/2009 | CN100573080C Hartman wave front sensor to realize alignment function by light splitter and testing method thereof |
| 12/23/2009 | CN100573065C Preware measuring method based on linear phase position reversal development |
| 12/23/2009 | CN100573064C Hartmann wave front sensor based on visual field offset of spectroscope |
| 12/23/2009 | CN100573060C Quick response broadband optical detector |
| 12/23/2009 | CN100573038C Two-dimension chromatic dispersion fringe analysis method for absolute distance measurement |
| 12/20/2009 | CA2669601A1 Slab waveguide spatial heterodyne spectrometer assembly |
| 12/16/2009 | CN100570487C Method of determining aberration of a projection system of a lithographic apparatus |
| 12/16/2009 | CN100570296C Polarization phase shifting double shearing interference wave face measuring apparatus and inspect method thereof |