| Patents for G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength (4,525) |
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| 10/30/2008 | US20080265150 Optical measuring system |
| 10/29/2008 | EP1985967A1 Fiber interferometric sensor and phase compensation method of PGC demodulator |
| 10/29/2008 | EP1984716A2 Wavefront analysis method involving multilateral interferometry with frequency difference |
| 10/29/2008 | CN101294850A Novel method and device for measuring ultra-short optical pulse spectrum phase |
| 10/28/2008 | US7442909 Optical measuring system |
| 10/23/2008 | US20080259273 Method and apparatus improving vision and the resolution of retinal images |
| 10/22/2008 | EP1983318A1 Wavefront aberration and distance measurement phase camera |
| 10/22/2008 | CN101290288A 一种波长选择器 A wavelength selector |
| 10/22/2008 | CN101290248A Single-mode infra-red wavemeter based on Mach-Zehnder Interferometer filtering principle |
| 10/21/2008 | US7440115 System and methods for wavefront measurement |
| 10/16/2008 | US20080251955 Method and apparatus improving vision and the resolution of retinal images |
| 10/15/2008 | CN101285735A Hartmann sensor for enlarging dynamic range through separating wave face integral inclination |
| 10/15/2008 | CN101285714A Continuous zooming Hartmann sensor utilizing point light source for calibration |
| 10/15/2008 | CN101285713A Continuous zooming Hartmann sensor utilizing parallel light source for calibration |
| 10/15/2008 | CN101285712A Linear phase inversion wavefront sensor based on disrete lighting intensity measuring device |
| 10/15/2008 | CN101285711A Linear phase inversion wavefront sensor based on planar array CCD |
| 10/15/2008 | CN101285709A Opto-mechanics infrared imager based on hartmann wavefront sensor |
| 10/14/2008 | US7435946 Mark detector using multiple light beams for use in a displacement detector and an image forming apparatus |
| 10/08/2008 | EP1977206A1 Sequential wavefront sensor |
| 10/08/2008 | EP1639333B1 Phase-diversity wavefront sensor |
| 10/08/2008 | EP1639330B1 Wavelength tunable light source |
| 10/01/2008 | EP1975676A2 Interferometer, demodulator, and splitting element |
| 10/01/2008 | EP1975579A1 Optical spectrum analyzer |
| 10/01/2008 | EP1974194A1 Achromatic and compact optical interferometer of the trilateral shift type |
| 09/30/2008 | CA2221446C Optical sensor including information element |
| 09/25/2008 | DE102007013606A1 Verfahren und System zum Lokalisieren einer Dämpfungsänderungsstelle bei einem Lichtwellenleiter A method and system for locating a point of change in damping an optical fiber |
| 09/25/2008 | DE102007013243A1 Phase evaluation method for multiple wavelength-interferometer, involves placing image of object for interferometer device with reference image for interference to measure object surface |
| 09/24/2008 | EP1485686A4 High resolution spectral measurement device |
| 09/18/2008 | US20080225227 Apparatus and Method for Correcting for Aberrations in a Lens System |
| 09/17/2008 | EP1367935B1 Tomographic wavefront analysis system and method of mapping an optical system |
| 09/11/2008 | US20080218836 Interferometer and demodulator |
| 09/10/2008 | EP1968216A1 Interferometer and demodulator |
| 09/10/2008 | CN101261179A Fabry-perot interferometer frequency stability measurement method and measuring apparatus |
| 09/10/2008 | CN101261161A Great dynamic range hartmann wavefront sensor and its test method |
| 09/09/2008 | US7423760 Method and apparatus for monitoring an interferometer |
| 09/09/2008 | CA2464523C Range extending system and spatial filter |
| 09/04/2008 | US20080212031 Iterative fourier reconstruction for laser surgery and other optical applications |
| 08/28/2008 | DE19704602B4 Interferometrische Anordnung zur Abtastung eines Objektes Interferometric arrangement for scanning an object |
| 08/27/2008 | CN201107118Y Ellipse polarized light analytical apparatus |
| 08/27/2008 | CN101251718A Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method |
| 08/26/2008 | US7417745 Device and method for wavefront measurement of an optical imaging system by means of phase-shifting interferometry |
| 08/26/2008 | US7416305 Method and apparatus for improving vision and the resolution of retinal images |
| 08/21/2008 | WO2008076444B1 Refined optical system |
| 08/21/2008 | US20080198326 Multifocal ophthalmic lens |
| 08/20/2008 | CN101246056A Spectral measurement apparatus and measurement method utilizing brillouin scattering |
| 08/20/2008 | CN101246026A Method and device for optical sensor inquiry system |
| 08/19/2008 | US7414712 Large dynamic range Shack-Hartmann wavefront sensor |
| 08/14/2008 | US20080191126 Apparatus and method for using a counter-propagating signal method for locating events |
| 08/14/2008 | DE102007006332A1 Frequency, phase and amplitude determining method for e.g. frequency-scanning interferometry, involves accomplishing common adjustment and optimization of correction table, window function and/or interpolation |
| 08/13/2008 | CN100410708C Cramping arrangement for casing and micro interferometer equipped with the same |
| 08/12/2008 | US7411687 Speckle reduction method and system for EUV interferometry |
| 08/12/2008 | US7411178 Wavelength measuring device for a single light receiving element and wavelength measuring method at different temperatures |
| 08/06/2008 | EP1953568A1 Imager semiconductor element, camera system and method for creating a picture |
| 08/06/2008 | CN201096526Y Phase shift transversal shearing interferometer |
| 07/31/2008 | US20080181263 Process and apparatus for a wavelength tuning source |
| 07/31/2008 | US20080180635 Lensometers and wavefront sensors and methods of measuring aberration |
| 07/30/2008 | EP1949166A1 An image projection display system |
| 07/30/2008 | CN101231369A Waveguide type polarization independence light ring machine based on polarization mode segregator |
| 07/30/2008 | CN101231194A Transmission type wavelength meter for ordered hole array and measuring method thereof |
| 07/24/2008 | WO2008089246A2 Surface micromachined optical force sensor enhancement via compliant mechanisms |
| 07/24/2008 | WO2008087854A1 Optical phase-modulation evaluating device |
| 07/23/2008 | EP1946053A1 A method and system of using odd harmonics for a phase generated carrier modulated optical signal |
| 07/23/2008 | EP1946047A1 Apparatus for interferometric sensing |
| 07/23/2008 | CN101226087A Photo-electric optical fiber temperature sensing device |
| 07/16/2008 | EP1944592A2 Optical-phase monitoring apparatus and optical-phase monitoring method |
| 07/16/2008 | CN101221042A Two-dimension chromatic dispersion fringe analysis method for absolute distance measurement |
| 07/16/2008 | CN100402996C Method and device for phase determination of radiation wave field, object imaging and phase amplitude imaging |
| 07/15/2008 | US7400388 Method for determining distortion and/or image surface |
| 07/15/2008 | CA2424139C Sensing the phase and amplitude of electromagnetic waves |
| 07/09/2008 | EP1942566A2 Monitoring light pulses |
| 07/09/2008 | CN201083544Y Polarized phase shift double shearing interference wave surface measuring apparatus |
| 07/09/2008 | CN100401030C Scanning wavelength apparatus |
| 07/09/2008 | CN100401029C White light double-field shearing wave surface interferometer |
| 07/03/2008 | WO2008025958A3 Optical characteristic mapping instrument |
| 07/02/2008 | CN101211008A White light LCD self-adapting optic system |
| 06/26/2008 | WO2008076444A1 Refined optical system |
| 06/26/2008 | WO2008074939A1 Integrated monolithic interference detection device |
| 06/26/2008 | US20080152349 Device to detect or generate optical signals |
| 06/25/2008 | EP1935069A1 Method and device for reducing laser phase noise |
| 06/25/2008 | EP1427328A4 Adaptive optics in a scanning lase ophtalmoscope |
| 06/25/2008 | CN101206763A Multi-frame self-adaption optical image high resolution restoration method using wave front data |
| 06/25/2008 | CN101206762A Self-adaption optical image high resolution restoration method combining frame selection and blind deconvohtion |
| 06/19/2008 | US20080144043 Apparatus for wavefront detection |
| 06/18/2008 | CN100395527C Method and apparatus for measuring phase differences between intensity-modulated optical signals |
| 06/17/2008 | US7388696 Diffuser, wavefront source, wavefront sensor and projection exposure apparatus |
| 06/17/2008 | US7388673 Heterodyne optical spectrum analyzer |
| 06/17/2008 | CA2343780C Optical phase detector |
| 06/12/2008 | WO2008070810A2 System and method of imaging in an interferometric imaging system |
| 06/11/2008 | EP1307718B1 Method and device for operating a pmd system |
| 06/11/2008 | CN201072360Y Multifunctional detector |
| 06/05/2008 | US20080131116 Optical power measurement apparatus and optical power measurement method |
| 06/03/2008 | CA2346917C Electro-optical light modulator |
| 05/28/2008 | EP1523657B1 Delaying interferometer |
| 05/28/2008 | EP1131670B1 Electrooptical light modulator |
| 05/28/2008 | CN101187585A Integral aperture phase measurement and compensation method and system |
| 05/27/2008 | US7377641 Multifocal ophthalmic lens |
| 05/27/2008 | US7377640 Multifocal ophthalmic lens |
| 05/22/2008 | WO2008060955A2 Fiber optic web edge sensor |
| 05/21/2008 | CN101183041A Interferometer and method of use thereof |
| 05/14/2008 | EP1920712A1 Wavefront sensor having multi-power beam modes, independent adjustment camera, and accomodation range measurement |