G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength

Patents for G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength (4,525)
12/2013
12/11/2013	CN102636271B Phase diversity wave front measurement imaging device based on difference optics
12/05/2013	DE102013208802A1 Time-of-flight (TOF) light sensor of TOF camera for use in three-dimensional-TOF (3D-TOF) camera system, has light transit time pixels that includes different color filters which are distributed in predetermined pattern on sensor area
12/05/2013	DE102012010960A1 Anordnung zur optischen Charakterisierung vonFresnellinsen VonFresnellinsen arrangement for optical characterization
12/04/2013	CN203323891U Optical wavelength meter based on AWG and optical switch
12/04/2013	CN103424196A Double-plate polarization phase-shifting shearing interferometer
12/04/2013	CN103424195A Phase-shifting shearing interferometer by rotating crystal plate
12/04/2013	CN103424194A Method and device for measuring frequency stability of femtosecond laser frequency comb
12/04/2013	CN103424193A Method for measuring optical wavelengths and portable optical wavelength meter
12/04/2013	CN102759407B Method precisely measuring average wave length of wide-range light source through adopting optical fiber interferometer
11/2013
11/28/2013	US20130314716 Speckle reduction in optical coherence tomography by path length encoded angular compounding
11/27/2013	CN103411690A Phase-shifting image digital holographic microscope system and microscopy method thereof
11/27/2013	CN103411689A Laser wavelength direct measurement method and device based on single frequency orthogonal linearly polarized light
11/27/2013	CN103411688A Michelson interference ring long-distance measurement and control method and measurement and control system thereof
11/27/2013	CN103411687A System and method for measuring spatial coherence based on triangular digital holography
11/27/2013	CN103411686A Device and method for calibrating optical fiber scanning light source wavelength based on gas absorption spectral lines
11/27/2013	CN102662178B High-resolution photoelectric imaging detection system of space target in daytime
11/20/2013	EP2130015B1 Method for measuring the spectral phase of a periodic signal
11/20/2013	CN203298878U Fringe contrast and carrier frequency adjustable loop point diffraction interference wavefront sensor
11/20/2013	CN103399447A Generation method and device for dual-spectrum femtosecond laser frequency comb
11/20/2013	CN103398786A Method and device for measuring wavemeter by using femtosecond laser frequency comb
11/20/2013	CN102538986B Three-window based common-path interference detecting method and device
11/13/2013	CN203287484U Flip LED chip tester
11/13/2013	CN102607718B Hartmann wavefront sensor employing different-time exposure
11/13/2013	CN102445279B Device and method for measuring wave lengths of interferometer
11/07/2013	WO2013165689A1 Ophthalmic wavefront sensor operating in parallel sampling and lock-in detection mode
11/06/2013	CN203274925U Michelson interferometer liquid tank
11/06/2013	CN102425988B Phase extraction method for phase-shifting interferometric fringe
11/06/2013	CN101842908B Transmissive detectors, systems incorporating same, and associated methods
10/2013
10/31/2013	WO2013161282A1 Optical pulse intensity and phase measurement device and method
10/30/2013	EP2656033A1 Optical measuring device
10/30/2013	CN103376135A Non-contact optical fiber device and method for measuring flows
10/30/2013	CN102620842B Device for detecting optical surface shapes of hole diffraction spherical waves
10/30/2013	CN102445278B Method and system for detecting three-dimensional micro-retardation film
10/29/2013	US8571407 Optical coherent receiver, apparatus for and method of monitoring performance thereof
10/23/2013	CN102538985B Sensing signal detecting device and method based on fiber Brillouin ring laser
10/23/2013	CN102388298B High-speed optical sampling by temporal stretching using four-wave mixing
10/23/2013	CN102183234B Method and device for measuring frequency scanning absolute distance based on femtosecond optical frequency comb
10/17/2013	WO2013153371A1 Laser focusing method and apparatus with control system for correction of the optical aberration
10/16/2013	EP2650661A1 Vectorial polarimetry apparatus with phase and polarization spatial control
10/16/2013	EP2649423A1 Method and system for demodulating signals
10/16/2013	CN102721477B Off-focus value measuring method for phase diversity wavefront sensor
10/15/2013	US8559012 Speckle reduction in optical coherence tomography by path length encoded angular compounding
10/15/2013	CA2346982C Method and device for completely correcting visual defects of the human eye
10/10/2013	US20130265585 Systems and methods for phase measurements
10/09/2013	CN203231820U Multi-point distributed fiber-grating sensing demodulation system
10/09/2013	CN203231814U Bar detecting device
10/09/2013	CN103344345A Active white-light wave front testing device and testing method thereof
10/03/2013	US20130256546 Method and system for demodulating signals
10/02/2013	EP2645053A1 Measuring apparatus, measuring method, and method of manufacturing an optical component
10/02/2013	CN203224297U Grating-diffraction wavelength determinator
10/02/2013	CN103337207A Optics-mechanics-electronics interdisciplinary experiment teaching equipment and experimental method
10/02/2013	CN103335731A Grating shear wave aberration detection interferometer and detection method
09/2013
09/25/2013	CN203217848U Interdisciplinary experimental teaching device for optics, machine and computer
09/25/2013	CN203216704U Optical system wavefront measurement apparatus
09/25/2013	CN103323124A Infrared imaging spectrometer and fast moving target hyperspectral imaging method of infrared imaging spectrometer
09/25/2013	CN103323123A Full-automatic light wave length measuring method and device
09/25/2013	CN103322941A Method for accurately acquiring three-dimensional microscopic image
09/25/2013	CN103322940A Method for acquiring microscopic image in three-dimensional shape
09/19/2013	WO2013138653A1 Integrated optics reflectometer
09/18/2013	CN203203714U 绝对波长校准仪 Absolute wavelength calibration instrument
09/18/2013	CN103308187A High-frequency Shack-Hartmann wave-front measuring device and measuring method thereof
09/18/2013	CN102564612B Component prism-based phase diversity wavefront sensor
09/11/2013	EP2635883A1 Apolarized interferometric system, and apolarized interferometric measurement system
09/11/2013	CN103293663A Self-adaptive optical system based on voltage decoupling controlled multiple wave-front correctors
09/11/2013	CN103293126A Method and apparatus for performing optical imaging using frequency-domain interferometry
09/11/2013	CN103292918A Phase change measuring system
09/11/2013	CN103292917A Photoelectric receiver time stability test method based on acousto-optical amplitude modulation
09/11/2013	CN103292916A Photoelectric receiver time stability test method based on double-acousto-optical frequency shift
09/11/2013	CN103292915A Photoelectric receiver temperature coefficient test method based on acousto-optical amplitude modulation
09/11/2013	CN103292914A Photoelectric receiver time stability test method based on non-polarized beam splitting of dual-frequency laser
09/11/2013	CN103292913A Photoelectric receiver temperature coefficient test method based on non-polarized beam splitting of dual-frequency laser
09/11/2013	CN103292912A Photoelectric receiver temperature coefficient test method based on double-acousto-optical frequency shift
09/11/2013	CN103292911A Method of detecting reference of optical axes of detectors in Hartmann complex sensor in real time
09/11/2013	CN103292910A Hartmann wave-front sensor based on metamaterials
09/11/2013	CN103292687A Laser feedback interferometer
09/11/2013	CN103284691A Method and apparatus for performing optical imaging using frequency-domain interferometry
09/10/2013	US8529623 Multifocal ophthalmic lens
09/05/2013	US20130229663 Spatial-domain low-coherence quantitative phase microscopy
09/05/2013	DE102012210042B3 Light runtime measuring device for measuring distance of object , has photo mixing detector, evaluation unit, high-frequency generator, driver, impedance converter and optical transmitter, where impedance converter has strip line
09/04/2013	CN203177972U LED wave length test system
09/04/2013	CN103278247A Background noise characteristic estimation method for point source Hartmann wavefront detector
09/04/2013	CN102193267B Demodulation system for carrying out wavelength side-band processing on fiber gratings
08/2013
08/28/2013	CN203163880U Hartmann wave-front testing system
08/28/2013	CN103267489A Calibration system and method of Hartmann wave-front sensor
08/28/2013	CN102519607B Satellite-borne atmospheric coherent length testing method and satellite-to-ground coherent optical communication method
08/28/2013	CN102158276B Servo test device and method for performance of optical signal emitted by satellite optical communication terminal
08/21/2013	CN103257033A Window glass transmitted wavefront detection method based on subaperture stitching interference detection
08/21/2013	CN103256991A Spatial phase shift lateral shearing interferometer
08/21/2013	CN103256990A Diffraction pyramid wave-front sensor
08/21/2013	CN103256982A Method based on annular resonant cavity vernier effect for improving frequency difference measurement accuracy or wavelength difference measurement accuracy
08/14/2013	CN103246077A Device utilizing grating to realize object imaging
08/14/2013	CN103245423A Common-optical path polarization point diffraction phase-shift interference wavefront sensor
08/14/2013	CN103245422A Sensing demodulation system of multi-point distributed optical fiber bragg grating
08/14/2013	CN102393254B Lagrange Gaussian beam Gouy phase parameter measuring method
08/07/2013	CN103234643A Method for measuring carrier-envelop phase positions of few-circle femtosecond laser pulses
08/07/2013	CN103234452A Solid laser feedback interferometer
07/2013
07/31/2013	CN103226059A Wavefront measuring device and measuring method for optical system
07/25/2013	WO2013108850A1 Multi-beam linking device
07/25/2013	US20130188194 Broadband, common-path, interferometric wavefront sensor
07/24/2013	CN103217226A Passive homodyne demodulation device and passive homodyne demodulation method for fai-OTDR (optical time domain reflectometer)

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