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)
01/2011
01/05/2011CN101936779A Double-optical wedge splicing pyramid wavefront sensor
01/05/2011CN101936766A Counter, physical quantity sensor, counting method, and physical quantity measuring method
01/04/2011US7864822 Process and apparatus for a wavelength tuning source
01/04/2011US7864325 Interferometer, demodulator, and splitting element
12/2010
12/29/2010WO2010150092A1 Method and device for implementing a sampling function
12/29/2010CN1981693B Defocus and astigmatism compensation device and method in a wavefront aberration measurement system
12/29/2010CN1609571B Wavelength monitor
12/29/2010CN101639383B Measuring method of active and passive combined phase shifting interference wave surface
12/29/2010CA2766094A1 Process and device for representation of a scanning function
12/22/2010EP2264436A1 Phase object identification device and method
12/15/2010CN201672974U Interference fringe counter of Michelson interferometer
12/15/2010CN201672973U Detector for high-power semiconductor laser module detector
12/09/2010WO2010141702A2 Wavefront imaging sensor
12/09/2010US20100309477 Method and apparatus for performing optical imaging using frequency-domain interferometry
12/08/2010EP2259037A2 Fiber bragg grating devices utilizing slow light
12/08/2010CN101907495A Fiber bragg grating wavelength demodulation system with long-period fiber bragg grating Sagnac loop
12/08/2010CN101451890B Three light wave transversal shearing interference apparatus and method for extracting differential phase
12/08/2010CN101183041B Interferometer and method of use thereof
12/08/2010CN101055223B Hartman wavefront sensor mass center measurement precision optimization method
12/07/2010US7847952 Delayed interferometer enabling a reduction of polarization-dependent frequency shift and demodulator
12/07/2010US7847834 Light source frequency detection circuit using bipolar transistor
12/07/2010US7847227 Optical measuring system
12/07/2010CA2420299C High precision wavelength monitor for tunable laser systems
12/02/2010WO2010116288A3 Method and device for detecting coherent radiation
12/02/2010WO2010091180A3 High-speed optical sampling by temporal stretching using four-wave mixing
12/01/2010EP2255760A2 Method and device for performing online aberrometrie in refractive eye correction indices
12/01/2010CN101458363B Michelson interferometer based on coaxial optical fiber
11/2010
11/25/2010US20100296102 System and method to determine chromatic dispersion in short lengths of waveguides using a 3-wave interference pattern and a single-arm interferometer
11/24/2010EP2253945A1 Photodetector device and photodetection method, and microscope and endoscope
11/24/2010EP1066495B1 Apparatus and method for measuring the refractive index and optical path length effects of air using multiple-pass interferometry
11/24/2010CN201653556U Comb filtering detector and wavelength monitor
11/24/2010CN101893485A Method for detecting phase difference of star point diffraction wave surface
11/17/2010EP1252691B1 Wavemeter for gas discharge laser
11/17/2010CN201637492U Laser wavelength measuring device based on synthetic wavelength
11/17/2010CN101889189A Surface shape measuring device and method
11/16/2010US7834310 Position encoder's signal processing method and system
11/10/2010CN101881669A Real-time closed-loop measuring and tracking method of half-wave voltage of integrated electro-optical phase modulator
11/04/2010WO2010125344A1 Method and system for measuring the propagation properties of a light beam
11/03/2010EP2245433A2 High precision wavelength measurement and control of a tunable laser
11/03/2010CN201622124U Polarization lateral shear interferometer
11/02/2010US7826062 Device to detect or generate optical signals
10/2010
10/28/2010WO2010122879A1 Light reflection mechanism, optical interferometer and spectral analyzer
10/28/2010US20100274233 Method and device for performing online aberrometry in refractive eye correction
10/20/2010CN101868968A Light source frequency detection circuit using bipolar transistor
10/20/2010CN101865726A Interference fringe counter of Michelson interferometer
10/14/2010WO2010116918A1 Relative phase detector, relative phase detecting method and information reading device
10/14/2010DE102009002143A1 Device e.g. microcontroller, for determining frequency of signal of voltage-controlled oscillator of motor vehicle, has evaluation unit determining line around estimate frequency, where frequency of signal is determined depending on line
10/13/2010CN101858822A He-Ne laser frequency stability measuring system and measuring method thereof
10/13/2010CN101858789A Photoionization device for measuring absolute phase of carrier envelope of optical pulse
10/13/2010CN101858788A Method and device for measuring wave height of emergent light wave of inter-satellites laser communication by interference wedge plate
10/13/2010CN101013195B Self-adaptive optical system based on linear phase inversion restoration technology
10/07/2010WO2010086377A3 Method for measuring and method for viewing a wave surface using spectrophotometry
10/07/2010US20100254414 Process and apparatus for a wavelength tuning source
10/06/2010CN1955701B Shark-Hartmann pre-sensor based on Fourier spectral filter module
10/05/2010US7808712 Imaging system
09/2010
09/29/2010CN101846317A Optical flame holding and flashback detection
09/29/2010CN101639382B Method of using spherical wave front for absolute calibration of Hartmann-Shack sensor
09/29/2010CN101451889B Systematic error correction method of interferometer
09/22/2010EP2229873A1 Method and system for determining an optical surface model
09/22/2010CN101842908A Transmissive detectors, systems incorporating same, and associated methods
09/22/2010CN101841128A Dynamic wavelength identification method and device with fast temperature tuning of laser diode
09/22/2010CN101839771A Detection device and method for high-power semiconductor laser
09/16/2010WO2010058193A3 Mirror structure
09/16/2010US20100231924 Integrated monolithic interference detection device
09/15/2010CN101832821A Method and device for measuring laser wavelength based on bound wavelength
09/10/2010WO2010077675A3 Two grating lateral shearing wavefront sensor
09/08/2010CN1971222B Hartmann-Shack wavefront sensor suitable for variable background for point source target wavefront detection
09/02/2010DE10346379B4 Verfahren zum Bestimmen des Frequenzgangs eines elektrooptischen Bauelements A method for determining the frequency response of an electro-optical device
09/01/2010CN101819069A White light interferometer with fast zero-setting system
09/01/2010CN101251718B Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method
08/2010
08/26/2010DE19922782B4 Vorrichtung und Verfahren zur optischen Spektroskopie Apparatus and method for optical spectroscopy
08/25/2010EP2220471A2 High-resolution phase measurement on an optical signal
08/25/2010CN101813523A Device and method for measuring atmospheric coherence length of mobile beacon
08/25/2010CN101634594B Phase measurement device of beam splitter
08/25/2010CN101344434B Self-adapting calibration apparatus of Hartmann wave-front sensor based on four-quadrant detector
08/25/2010CN101285709B Opto-mechanics infrared imager based on hartmann wavefront sensor
08/18/2010CN101806957A Wave-front sensor and corrector aligning device in self-adaptive optical system
08/18/2010CN101126627B Light wave interference detection device and light wave interference detection method
08/17/2010CA2424169C Method and apparatus for measuring wavefront aberrations
08/12/2010WO2010091180A2 High-speed optical sampling by temporal stretching using four-wave mixing
08/11/2010EP2215830A1 Light source frequency detection circuit using bipolar transistor
08/11/2010CN101799331A Method and system for demodulating DFB (Distribution Feedback) laser wavelength based on adsorption peak of acetylene gas
08/05/2010WO2010086377A2 Method for measuring and method for viewing a wave surface using spectrophotometry
08/05/2010CA2750694A1 Method for measuring and method for viewing a wave surface using spectrophotometry
08/03/2010US7768653 Method and system for wavefront measurements of an optical system
07/2010
07/29/2010WO2010054097A3 System and method for providing full jones matrix-based analysis to determine non-depolarizing polarization parameters using optical frequency domain imaging
07/28/2010CN101788344A Instantaneous phase-shift transverse shear interferometer
07/28/2010CN101788263A Coaxial Fizeau synchronous phase shifting interferometer capable of adjusting extended light illumination
07/28/2010CN101561536B Optical fiber sensing wavelength demodulating system for resisting oscillation and noise disturbance
07/28/2010CN101169339B Optical fiber Fourier transform white light interference relative measurement method
07/21/2010CN101784873A Position sensitive detectors in wavelength monitoring
07/21/2010CN101782435A 激光参数综合测试系统 Laser parameters comprehensive test system
07/21/2010CN101782368A Interferometer
07/15/2010US20100179793 Iterative fourier reconstruction for laser surgery and other optical applications
07/15/2010DE102009007858B3 Augenchirurgiesystem Eye surgery system
07/14/2010EP2207063A1 Wavefront-aberration-measuring device and exposure apparatus
07/14/2010CN101776489A Femtosecond laser plasma channel interferogram phase and electron density extraction method
07/14/2010CN101776488A Method for measuring optical phase by using synchronous phase-shifting interference method and implementing light path
07/08/2010WO2010077675A2 Two grating lateral shearing wavefront sensor
07/08/2010DE10129651B4 Verfahren zur Kompensation der Dispersion in Signalen von Kurzkohärenz- und/oder OCT-Interferometern Method for compensating the dispersion in signals from short-coherence and / or OCT interferometers
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