| Patents for G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength (4,525) |
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| 12/09/2009 | EP2130015A1 Method for measuring the spectral phase of a periodic signal |
| 12/09/2009 | EP1379857B1 Interferometric arrangement for determining the transit time of light in a sample |
| 12/09/2009 | CN100568278C Self-adaption optical image high resolution restoration method combining frame selection and blind deconvohtion |
| 12/08/2009 | CA2369986C Apparatus and method for measuring the chromatic dispersion of an optical transmission link |
| 12/02/2009 | CN101592526A Method and device for measuring average light wavelength |
| 12/02/2009 | CN101592525A Method for measuring phase delay devices with different wavelengths by single wavelength light source and system thereof |
| 12/02/2009 | CN100565142C Lightbeam measuring device |
| 12/02/2009 | CN100565141C Method and apparatus for producing an image containing depth information |
| 12/01/2009 | US7625089 Wavefront sensor having multi-power beam modes, independent adjustment camera, and accommodation range measurement |
| 11/26/2009 | US20090290157 Apparatus and method for performing ligand binding assays on microarrays in multiwell plates |
| 11/25/2009 | CN101587281A Method and device for realizing demodulation of mixing auger phase light beam orbit angular momentum state |
| 11/25/2009 | CN101586986A High precision optical fiber grating wave length demodulation system |
| 11/25/2009 | CN100562726C Hartmann wave front sensor based on visual field offset of optical scanner |
| 11/25/2009 | CN100562723C In-cavity aberration detection system for lineal confocal unstable cavity |
| 11/24/2009 | CA2509187C Optical wavelength determination using multiple measurable features |
| 11/24/2009 | CA2275762C Apparatus for improving vision and resolution of retinal images |
| 11/17/2009 | US7619748 Exposure apparatus mounted with measuring apparatus |
| 11/12/2009 | WO2009137243A2 Rotary frog systems and methods |
| 11/12/2009 | DE102008056869B3 Method for image processing of intensity images having annular structure for determining position, involves defining sectors of intensity images with sector vertex on sector origin point which lies in annular structure |
| 11/11/2009 | CN100559135C Integral aperture phase measurement and compensation method and system |
| 11/04/2009 | EP2113226A1 Multifocal ophthalmic lens |
| 10/29/2009 | DE102008020147A1 Method for determination of m different wavelengths of m optical measuring beam bundles, involves producing output bundle from measuring beam bundles and reference beam bundles with known ten wavelengths |
| 10/28/2009 | EP2112485A1 Method, phase grating and device for analysing the wavefront of a light beam |
| 10/28/2009 | CN101566505A Method for quickly calculating dominant wavelength of light-emitting diode |
| 10/28/2009 | CN101566504A Method and device for measuring laser speckles |
| 10/21/2009 | EP0969760B1 Apparatus for improving vision and resolution of retinal images |
| 10/21/2009 | CN101561536A Optical fiber sensing wavelength demodulating system for resisting oscillation and noise disturbance |
| 10/21/2009 | CN100552376C Method and device of light splitting, image-forming and synchronous phase-shifting in optical interferometry |
| 10/15/2009 | WO2009125034A1 Optical device and method for reconstructing and compensating for the wavefront from a complex optical element |
| 10/15/2009 | US20090257461 Process and apparatus for a wavelength tuning source |
| 10/14/2009 | EP1784121B1 Systems and methods for shaping wavefronts in polychromatic light using phase shifting elements |
| 10/13/2009 | US7602503 Methods for measuring a wavefront of an optical system |
| 10/08/2009 | US20090251703 Optical nonliner evaluation device and optical switching element |
| 10/07/2009 | CN100547366C Phase shifting lateral direction shearing interferometer |
| 10/01/2009 | WO2009119005A1 Phase object identification device and method |
| 10/01/2009 | CA2719195A1 Phase object identification device and method |
| 09/29/2009 | US7595931 Grating for EUV lithographic system aberration measurement |
| 09/17/2009 | DE102008014294A1 Schneller Algorithmus für Wellenfrontdatenstrom Fast algorithm for wavefront data stream |
| 09/16/2009 | EP1794558B1 Optical delay |
| 09/11/2009 | WO2009111556A1 Drift field demodulation pixel with pinned photo diode |
| 09/09/2009 | EP1846948A4 Methods and devices for improved charge management for three-dimensional and color sensing |
| 09/09/2009 | CN100538291C Transmission type wavelength meter for ordered hole array and measuring method thereof |
| 09/03/2009 | DE10202738B4 Phasenverschiebungsstreifenanalyseverfahren und eine dieses Verfahren verwendende Vorrichtung Phase shifting fringe analysis method and apparatus of this method using |
| 09/02/2009 | EP1644700A4 Methods and devices for charge management for three-dimensional and color sensing |
| 09/02/2009 | CN101520345A Method for improving calculation accuracy of dominant wavelength of light emitting diode |
| 08/26/2009 | EP1649243A4 Method and apparatus for measuring bandwidth of an optical spectrum output of a very small wavelength very narrow bandwidth high power laser |
| 08/26/2009 | CN201297960Y Measuring device of radiation wavelength and bandwidth of peak value of light emitting diode |
| 08/26/2009 | CN101515701A Wavelength filtering device of semiconductor laser |
| 08/19/2009 | CN101512309A Method and apparatus for the spatially resolved determination of the phase and amplitude of the electromagnetic field in the image plane of an image of an object |
| 08/12/2009 | CN201289403Y Scanning standard tool |
| 08/11/2009 | US7574190 Signal-processing electronics |
| 08/06/2009 | WO2009067974A3 High-resolution phase measurement on an optical signal |
| 08/05/2009 | EP2084503A1 Integrated monolithic interference detection device |
| 08/05/2009 | CN100523748C Laser wavelength surface waveguide detecting method |
| 08/04/2009 | US7570678 Wavelength determining apparatus, wavelength determining method, semiconductor laser controlling apparatus, and semiconductor laser controlling method |
| 07/29/2009 | EP1516165B1 Image sensing device and method of |
| 07/28/2009 | US7567607 Very narrow band, two chamber, high rep-rate gas discharge laser system |
| 07/28/2009 | US7567349 Speckle reduction in optical coherence tomography by path length encoded angular compounding |
| 07/23/2009 | DE102008058017A1 Wellenlängenmesser und zugehöriges Verfahren Wavemeter and associated method |
| 07/22/2009 | EP1230576B1 System and method for recovering phase information of a wave front |
| 07/21/2009 | CA2484320C Active coherence reduction for interferometer interrogation |
| 07/16/2009 | DE19814070B4 Verfahren und Anordnung zur Kohärenz-Tomographie mit erhöhter Transversalauflösung Method and apparatus for coherence tomography with increased Transversalauflösung |
| 07/15/2009 | EP2078184A1 Method for correcting a wave front analyser and analyser implementing said method |
| 07/15/2009 | CN101482432A Timer resolved dual-grating interferometer |
| 07/14/2009 | CA2627099C A method and system of using odd harmonics for a phase generated carrier modulated optical signal |
| 07/08/2009 | CN201269780Y Dual light path denoising carrier-envelope phase measuring apparatus |
| 07/07/2009 | US7557929 Systems and methods for phase measurements |
| 07/02/2009 | DE3842241A1 Einrichtung zum Erfassen oder Empfangen einer Laserstrahlung Means for detecting or receiving a laser radiation |
| 07/01/2009 | EP2074395A2 Optical characteristic mapping instrument |
| 07/01/2009 | CN100507478C Device and method for trace to the source for measuring any wave plate retardation |
| 06/30/2009 | US7554675 Light wavefront measuring instrument, light wavefront measuring method, and light source adjusting method |
| 06/30/2009 | US7554672 Phase-diversity wavefront sensor |
| 06/25/2009 | US20090162054 Collection of data from an optical channel monitor without causing a malfunction of a transmission apparatus |
| 06/24/2009 | EP2072980A1 Wavefront sensor |
| 06/23/2009 | US7549745 Apparatus and method for correcting for aberrations in a lens system |
| 06/18/2009 | US20090152453 Optical wavefront sensor |
| 06/17/2009 | EP1611470A4 Speckle reduction in optical coherence tomography by path length encoded angular compounding |
| 06/10/2009 | CN101451890A Three light wave transversal shearing interference apparatus and method for extracting differential phase |
| 06/10/2009 | CN101451889A Systematic error correction method of interferometer |
| 06/10/2009 | CN100498294C Optical image measuring apparatus |
| 06/10/2009 | CN100498249C Electrooptical phase modulation coefficient measing method for electrooptical phase modulator |
| 06/09/2009 | US7543937 Multifocal ophthalmic lens |
| 06/04/2009 | WO2009067974A2 High-resolution phase measurement on an optical signal |
| 06/04/2009 | DE102007058038A1 Hochauflösende Phasenmessung an einem optischen Signal High-resolution phase measurement of an optical signal |
| 06/04/2009 | DE102007057260A1 Progressive-addition lens's optical image quality determining method, involves determining position of umbilical point line, value increase along line from remote reference point to proximity reference point and deviation of equivalent |
| 06/03/2009 | CN201251486Y Mach-Zehnder shearing wave-front measurement system |
| 06/03/2009 | CN101444418A Iterative Fourier reconstruction for laser surgery and other optical applications |
| 06/02/2009 | US7542144 Spatial and spectral wavefront analysis and measurement |
| 05/28/2009 | WO2009067335A1 Light source frequency detection circuit using bipolar transistor |
| 05/27/2009 | EP2062019A2 Method and apparatus for the spatially resolved determination of the phase and amplitude of the electromagnetic field in the image plane of an image of an object |
| 05/27/2009 | CN100492179C Interferometer |
| 05/27/2009 | CN100491938C Moire filtering synthetic process for digital moire phase shifting interference technology |
| 05/26/2009 | US7538890 Wavefront-measuring interferometer apparatus, and light beam measurement apparatus and method thereof |
| 05/21/2009 | US20090128660 Light source frequency detection circuit using bipolar transistor |
| 05/20/2009 | CN101435969A Free-space integrated photodetector with reduced phase tracking error |
| 05/19/2009 | US7534984 Very fast time resolved imaging in multiparameter measurement space having means for separating reflected light to form plural beam images |
| 05/14/2009 | US20090121308 Image sensing device and method of |
| 05/12/2009 | CA2490041C Wavelength reference system for optical measurements |
| 05/07/2009 | WO2008051232A3 Compensation of effects of atmospheric perturbations in optical metrology |
| 05/06/2009 | CN101424786A White light shearing interferometer aplanatic rapid adjustment method |