Patents
Sitemap › G01 - Measuring; Testing › G01J - Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infra-red, visible or ultra-violet light; Colorimetry; Radiation pyrometry › 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)
01/2013
01/09/2013CN102870034A Observation device
01/09/2013CN102866001A Method for measuring aberration of imaging system based on lateral shearing interference structure
01/09/2013CN102865932A Hartmann sensor consisting of spherical micro lens array and spherical detector
01/09/2013CN102865931A Movement expansion goal based big-view-field wavefront distortion detection method
01/02/2013CN202649463U Calibration device based on dual wavelength laser tube phase measurement
01/02/2013CN202648802U Anti-interference type Michelson interferometer stripe automatic counter
01/02/2013CN202648795U Optical power and wavelength measuring apparatus
01/02/2013CN102859418A Observation device
01/02/2013CN102853920A High-sensitivity Mach-Zahnder interference system
01/02/2013CN102853919A Wavefront measuring chip of hybrid integrated planar array liquid crystal micro-lens and infrared detector
01/02/2013CN102853918A Pneumatic optical wavefront ultra-high frequency measurement system and method
01/02/2013CN102243106B Frequency-beating device for laser frequency measurement
01/02/2013CN102175330B Method and device for producing absolute wavelength reference signal of WDM (Wavelength Division Multiplexing) grating demodulation equipment
12/2012
12/19/2012CN102829883A Polarization laser wavelength meter
12/19/2012CN102829882A Aperture alignment method of Hartmann wave-front detector and incident beam
12/18/2012US8334982 Systems and methods for phase measurements
12/12/2012CN202599336U Wavelength scanning interferometer used for aspheric measurement
12/12/2012CN102818640A Method for determining number of Hartmann arrays by image spectrum containing 4f system error
12/12/2012CN102322964B Optical phase lock tracking method based on four-channel laser frequency demodulation phase demodulation technology and apparatus realizing method
12/12/2012CN102297725B Device and method for detecting reference spherical wave deviation in visible point diffraction interferometer
12/12/2012CN102168970B One-dimensional inclination angle sensor based on PCF-LPG (Long-Period Grating written in Photonic Crystal Fiber) and device
12/12/2012CN101988851B Counting device, physical quantity sensor, counting method and physical quantity measuring method
12/06/2012DE102011076946A1 Method for measuring wavefront of plane mirror, involves mechanically tilting angle-selective filter elements at respective axes during measurement of wavefront by Shack-Hartmann wavefront sensor
12/05/2012CN102252764B Laser wavelength real-time measurement device
12/05/2012CN101371116B Wavefront aberration and distance measurement phase camera
11/2012
11/28/2012CN102798408A Fiber Bragg grating sensing system using the multiplexer for multi-channel
11/28/2012CN102798341A Method used for improving measuring accuracy of point-diffraction interferometer
11/28/2012CN102230827B Mach-Zehnder point diffraction interferometer and method for reconstructing laser complex amplitudes
11/28/2012CN102155997B Optical-fiber type laser wavemeter
11/28/2012CN101686085B Optical coherent receiver as well as performance monitoring device and method thereof
11/27/2012US8320661 Apparatus and method for extracting information from electromagnetic energy including target 3D structure and materials
11/22/2012WO2012130209A3 Device and method for detecting and analysing laser radiation
11/21/2012CN202547784U Measuring device of delay double-pulse laser generated plasma
11/21/2012CN102353463B Four-channel detection technology based laser frequency and phase discrimination method and device realizing same
11/20/2012CA2519937C Speckle reduction in optical coherence tomography by path length encoded angular compounding
11/14/2012CN102778301A Real-time measuring device of self-reference spectrum interference femtosecond laser pulse
11/14/2012CN102778300A Method for stably measuring atmospheric coherence length
11/14/2012CN102778299A Hartman wave front detector with aperture alignment function
11/14/2012CN102778298A Laser wavelength/frequency measuring method based on etalons, wavelength meter and use method
11/14/2012CN102778256A Multi-physical field measurement system aiming at strong laser driven impact effect test
11/14/2012CN102183248B Broadband-light-interference-characteristic-based dynamic starting method of closed-loop fiber optic gyro
11/08/2012WO2012150195A1 A stationary waveguide spectrum analyser
11/08/2012US20120281237 Speckle reduction in optical coherence tomography by path length encoded angular compounding
11/07/2012EP2520916A1 Multispectral scanning telescope comprising wavefront analysis means
11/07/2012CN101710001B Multi-penetration ultrastable interferometer and high-precision phase measurement method thereof
10/2012
10/31/2012CN102759793A Reflecting double-slit interferometer
10/31/2012CN102759407A Method precisely measuring average wave length of wide-range light source through adopting optical fiber interferometer
10/31/2012CN102759406A Method of measuring cutoff wavelength
10/31/2012CN102128688B Method and system for measuring light color performance of laser display
10/31/2012CN101950250B Accumulator based Hartmann-Shack wavefront slope acquisition method and processor
10/30/2012US8299504 Image sensing device and method of
10/24/2012CN102749143A Wavefront reconstruction method for improving measuring precision of Shack-Hartmann wavefront sensor
10/17/2012CN202494522U Laser homologous collinear beam coherent detection system
10/17/2012CN102736510A Wristwatch with atomic oscillator
10/17/2012CN102736234A Hollow cube-corner prism optical delay line device with endogenous scale light source
10/17/2012CN102735430A Method and device for detecting phase delay
10/17/2012CN102735349A Apparatus for measuring multiple parameters of laser
10/17/2012CN102735348A Wavefront measuring method based on Hartmann wavefront sensor
10/17/2012CN102735184A Device and method for detecting optical surface profile
10/11/2012DE102011016441A1 Verfahren und Vorrichtung zur schnellen Phasenauswertung, insbesondere von Mehrzyklenpulsen einer Laserstrahlung Method and apparatus for fast evaluation phase, in particular of multi-cycle pulses of a laser radiation
10/10/2012CN102721478A Wave front recovery method for curvature wave front sensor
10/10/2012CN102721477A Off-focus value measuring method for phase diversity wavefront sensor
10/10/2012CN102721476A Large-caliber high-speed infrared laser measurement device based on PSD (phase-sensitive detector) array
10/10/2012CN102288305B Wave-front sensor of self-adaptive optical system and detecting method thereof
10/10/2012CN101368848B Scanning spectrometer with multiple photodetectors
10/04/2012WO2012130209A2 Device and method for detecting and analysing laser radiation
10/04/2012WO2012129811A1 Method for detecting laser paper
10/04/2012DE102011006613A1 Lighting circuit for time-of-flight camera utilized for capturing three-dimensional images, has current limiting device arranged in current path of light sources, and capacitor arranged parallel to current limiting device
10/03/2012CN102706464A Phase diversity wavefront sensor
10/03/2012CN102706463A Method for locking interference phase difference of optical field and device
10/03/2012CN102706462A Optical-fiber type multi-wedge block fee cable wavemeter
10/03/2012CN102706461A Novel Mach-Zehnder polarized beam splitting interferometer
10/03/2012CN102331303B Grating-based phase difference wavefront sensor
10/03/2012CN102252832B Wavefront quality detection device and method for large-aperture collimation system
10/03/2012CN101384888B Wavefront analysis method involving multilateral interferometry with frequency difference
09/2012
09/26/2012CN102213619B Laser frequency measuring device and method
09/19/2012EP2499473A1 Method and device for examining a laser system
09/19/2012CN102686990A Light-receiving module for light-emitting element and inspection device for light-emitting element
09/19/2012CN102681165A Decoupling control method for multiple wavefront correctors
09/19/2012CN102680117A Common-path radial cutting liquid crystal phase shift interference wave-front sensor
09/19/2012CN102680116A Wave front aberration detection method and detection device
09/19/2012CN102680115A Device and method for measuring plasma generated by delayed double-pulse laser
09/19/2012CN102252763B Single focal plane high-precision testing method for optical wavefront of optical imaging system
09/12/2012CN102662178A High-resolution photoelectric imaging detection system of space target in daytime
09/12/2012CN102661798A Novel optical satellite-borne laser alarming system
09/05/2012EP2495541A1 Relative phase detector, relative phase detecting method and information reading device
09/05/2012CN202420688U Hartmann wavefront sensor based on diffraction grating arrays
09/05/2012CN101858822B He-Ne laser frequency stability measuring system and measuring method thereof
08/2012
08/29/2012CN102650553A Wavelength-tunable photoelectric detector, optical wavelength detection system and method thereof
08/28/2012US8253087 Optical characteristic mapping instrument
08/22/2012CN102230826B Signal processing method for heterodyne interferometer
08/15/2012EP2486391A1 Method and system for structural analysis of an object by measuring the wave front thereof
08/15/2012CN102636271A Phase diversity wave front measurement imaging device based on difference optics
08/15/2012CN102636270A Optical measurement instrument and method for atmospheric coherent length
08/15/2012CN101936766B Counter, physical quantity sensor, counting method, and physical quantity measuring method
08/09/2012US20120199722 Optical transceiver and fiber-optic gyro
08/08/2012EP1397638B1 Apparatus and method for measuring aspherical optical surfaces and wavefronts
08/08/2012CN102628713A Curvature wavefront sensor based on digital micromirror device
08/08/2012CN102269627B Method and device for detecting and controlling phase shift based on alternating current small-phase modulation
08/08/2012CN102183308B A measuring method of wavelength variation of a tunable laser
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