| Patents for G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength (4,525) |
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| 04/30/2009 | WO2009036436A3 Transmissive detectors, systems incorporating same, and associated methods |
| 04/29/2009 | CN100483089C Interference light eliminating method and measuring apparatus |
| 04/28/2009 | US7525665 Polarising interferometer |
| 04/23/2009 | WO2009049393A1 System and method to determine chromatic dispersion in short lengths of waveguides using a 3-wave interference pattern and a single-arm interferometer |
| 04/23/2009 | CA2709779A1 System and method to determine chromatic dispersion in short lengths of waveguides using a 3-wave interference pattern and a single-arm interferometer |
| 04/22/2009 | EP2051053A1 Method and apparatus for optical frequency measurement |
| 04/22/2009 | CN101413827A Method for detecting laser wavelength by Goos-Hanchen displacement characteristic |
| 04/14/2009 | US7519096 Process and apparatus for a wavelength tuning source |
| 04/09/2009 | WO2006012062A3 Method and apparatus for gas discharge laser output light coherency reduction |
| 04/09/2009 | DE19856400B4 Verfahren und Vorrichtung zur direkten Phasenmessung von Strahlung Method and apparatus for direct measurement of phase radiation |
| 04/08/2009 | EP1285223B1 Data age adjustments |
| 04/08/2009 | CN100476586C Transmission shear grating in checkerboard configuration for EUV wavefront sensor |
| 04/08/2009 | CN100476498C Polarized light energy loss-free liquid crystal self-adaptive optical system |
| 04/08/2009 | CN100476386C Light wavefront measuring device, light wavefront measuring method and adjusting method for light source device |
| 04/01/2009 | CN100473371C Method and device for completely correcting visual defects of the human eye |
| 03/25/2009 | EP2040052A1 Method and device for complex analysis of optical spectra |
| 03/25/2009 | EP2038623A1 Method for scanning optical interference patterns by means of line sensors |
| 03/25/2009 | EP1526948A4 Uniform thin films produced by magnetorheological finishing |
| 03/25/2009 | CN201212838Y Space phase shifter used for synchronous phase shifting interferometer |
| 03/25/2009 | CN201212837Y Hartmann wavefront sensor with large dynamic range |
| 03/25/2009 | CN101393376A Coherent synthesis phase observe and control apparatus based on stripe characteristic extraction |
| 03/19/2009 | WO2009036436A2 Transmissive detectors, systems incorporating same, and associated methods |
| 03/18/2009 | EP2037244A1 wavefront measuring apparatus for an optical pickup apparatus |
| 03/18/2009 | CN101389938A Achromatic and compact optical interferometer of the trilateral shift type |
| 03/18/2009 | CN101387702A Phase laser range finder and phase inspecting method thereof |
| 03/18/2009 | CN101387555A Wavefront measuring apparatus for optical pickup |
| 03/17/2009 | US7505137 Optical wavelength meter |
| 03/17/2009 | CA2366763C High resolution device for observing a body |
| 03/11/2009 | CN101384888A Wavefront analysis method involving multilateral interferometry with frequency difference |
| 03/04/2009 | EP2030563A2 Process and apparatus for a wavelength tuning source |
| 03/04/2009 | EP2030562A2 Process and apparatus for a wavelength tuning source |
| 03/04/2009 | CN100465596C A method and a device for measuring wavelength changes in a measuring system with high resolution ratio |
| 03/04/2009 | CN100465595C A phase difference measurer and a heterodyne interference measuring system using the device |
| 03/03/2009 | US7498621 Image sensing device and method of |
| 02/26/2009 | DE60225320T2 Bereicherweiterndes system und raumfilter Bereicherweiterndes system and cabin filters |
| 02/25/2009 | CN100463646C Ophthalmic binocular wavefront measurement system |
| 02/19/2009 | WO2009023774A1 Precise disruption of tissue in retinal and preretinal structures |
| 02/18/2009 | CN101371116A Wavefront aberration and distance measurement phase camera |
| 02/18/2009 | CN101368848A Scanning spectrometer with multiple photodetectors |
| 02/17/2009 | US7492464 Triggering for a heterodyne interferometer |
| 02/11/2009 | CN101365932A Sequential wavefront sensor |
| 02/11/2009 | CN100460809C Laser parameter measuring device |
| 02/10/2009 | US7489404 Fiber-optic interferometric rotation speed sensor including a non-linear mirror |
| 02/10/2009 | US7488070 Optical measuring system and optical measuring method |
| 02/04/2009 | CN201191235Y Fabry-perot interferometer frequency stability measuring apparatus |
| 02/04/2009 | CN100458382C Quick-responding high-sensitivity ultraviolet detector made by calcium-titanium oxide monocrystal material |
| 02/04/2009 | CN100458381C Super-fast wide-wave-band optical detector made by doped oxide and silicon heterojunction material |
| 01/29/2009 | WO2009014622A1 Position sensitive detectors in wavelength monitoring |
| 01/29/2009 | WO2008132305A8 Method for measuring the spectral phase of a periodic signal |
| 01/29/2009 | US20090027689 Method and apparatus for performing optical imaging using frequency-domain interferometry |
| 01/29/2009 | US20090027683 Interferometer, demodulator, and splitting element |
| 01/28/2009 | EP1395799B1 Method and apparatus for measuring wavefront aberrations |
| 01/22/2009 | WO2009010593A2 Method of estimating at least one deformation of the wave front of an optical system or of an object observed by the optical system and associated device |
| 01/22/2009 | US20090021748 Method and system for wavefront measurements of an optical system |
| 01/14/2009 | EP1279010B1 Measuring wavelength change |
| 01/14/2009 | CN101344640A Shack-Hartmann wavefront sensor of self-adapting optical system |
| 01/14/2009 | CN101344434A Self-adapting calibration apparatus of Hartmann wave-front sensor based on four-quadrant detector |
| 01/14/2009 | CN100451581C Method and apparatus for measuring laser wave-length using heterodyne in interference method |
| 01/14/2009 | CN100451580C Wavefront-measuring interferometer apparatus, and light beam measurement apparatus and method thereof |
| 01/08/2009 | DE102008001448A1 Aberration measuring method for optical imaging system, involves illuminating object structure, producing image output in image plane, and carrying out sequential wavelength-selective measuring of wave front of image output |
| 01/08/2009 | DE102007031513A1 Recording device for recording object e.g. plant, has projection lens producing image of object, where image and photo mixing detector are displaceable relative to each other in image plane by displacement device |
| 01/07/2009 | EP2012102A1 Phase-diversity wavefront sensor |
| 01/07/2009 | EP2011434A2 Process and apparatus for a wavelength tuned light source |
| 01/07/2009 | CN100449349C Large aperture linear array Hartmann wavefront sensor |
| 01/02/2009 | DE19814057B4 Anordnung zur optischen Kohärenztomographie und Kohärenztopographie Arrangement for optical coherence tomography and coherence topography |
| 01/02/2009 | DE102007029923A1 Verfahren und Vorrichtung zur Wellenfrontvermessung von Laserstrahlung Method and apparatus for wavefront measurement of the laser radiation |
| 01/01/2009 | US20090002628 Method and apparatus improving vision and the resolution of retinal images |
| 12/31/2008 | WO2009000500A1 Method and apparatus for measuring the wavefront of laser radiation |
| 12/31/2008 | WO2008045868A3 Precision guidance and position reporting system |
| 12/31/2008 | EP2008579A2 Process and apparatus for a wavelength tuned light source |
| 12/31/2008 | EP2008576A2 Topographic wavefront analysis system and method of mapping an optical system |
| 12/31/2008 | CN101334315A Method and device for measuring light beam orbit angular momentum spectrum |
| 12/31/2008 | CN100446718C Iterative fourier reconstruction for laser surgery and other optical applications |
| 12/25/2008 | US20080316429 Method and apparatus improving vision and the resolution of retinal images |
| 12/25/2008 | US20080315078 Wavelength measuring device, light receiving unit, and wavelength measuring method |
| 12/24/2008 | CN100446410C Method and device for detecting and processing signal waves |
| 12/24/2008 | CN100445709C Automatic device of LED testing table |
| 12/24/2008 | CN100445708C Automation device for LED test table |
| 12/18/2008 | DE102007025037B3 Method for determining frequency or phase difference between polarized ray of light and polarizing local oscillator ray of light, involves receiving of ray of light from transmission device, and decoupling local oscillator ray of light |
| 12/17/2008 | CN101324421A Synchronous phase-shift fiso interferometer |
| 12/16/2008 | US7466729 Wavelength monitor for use with more than one wavelength |
| 12/16/2008 | US7466427 Vibration-resistant interferometer apparatus |
| 12/16/2008 | US7466425 Elementary matrix based optical signal/network analyzer |
| 12/11/2008 | US20080304139 Laser Phase Difference Detecting Device and Laser Phase Control Device |
| 12/10/2008 | CN101319873A Spacing phase shifter used for synchronous phase shift interferometer |
| 12/03/2008 | EP1730822B1 Laser source comprising amplifier and adaptative wavefront and polarization driver |
| 12/03/2008 | CN101315302A Mach-Zehnder shear wave surface measuring system and measuring method thereof |
| 12/03/2008 | CN101315301A Double-light path denoising carrier wave-envelope phase measuring apparatus |
| 12/03/2008 | CN100439884C Correlator device for monocycle-subcycle light pulse duration and its measuring method |
| 12/03/2008 | CN100439854C Anti-shock interference instrument |
| 11/27/2008 | US20080291465 Non-destructive inspection using laser-ultrasound and infrared thermography |
| 11/13/2008 | WO2008135363A1 Method of determining an optical wave disturbance |
| 11/13/2008 | DE10140482B4 Verfahren und Vorrichtung zur Störgrößenkompensation eines optischen Sensors Method and device for disturbance compensation of an optical sensor |
| 11/12/2008 | EP1990618A1 Method and device for measuring at least one deformation of a wave front |
| 11/12/2008 | CN201149541Y Optical phase defer precision measurement system |
| 11/12/2008 | CN201149540Y Led光学检测器 Led optical detector |
| 11/12/2008 | CN100432619C Method and apparatus for measuring bandwidth of an optical spectrum output of a very small wavelength very narrow bandwidth high power laser |
| 11/11/2008 | US7450239 Optical pulse evaluation device and in-service optical pulse evaluation device |
| 11/11/2008 | US7450237 Non-invasive electric-filed-detection device and method |
| 11/06/2008 | WO2008132305A1 Method for measuring the spectral phase of a periodic signal |