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)
12/2003
12/30/2003US6671056 Method and system for optical spectrum analysis with a depolarized local oscillator signal
12/30/2003US6671053 Illumination measuring device
12/25/2003WO2003107494A2 Gas discharge ultraviolet wavemeter with enhanced illumination
12/25/2003US20030234938 Low coherent interference fringe analysis method
12/25/2003US20030234924 Optical device measuring apparatus and light receiving unit available for such optical device measuring apparatus
12/24/2003WO2002090905A3 Method and apparatus for measuring wavefront aberrations
12/23/2003US6667804 Temperature compensation method for wavemeters
12/18/2003US20030231298 System and method for wavefront measurement
12/17/2003EP1372275A1 Controlling an optical source using a beat frequency
12/16/2003US6665076 Wavelength reference device
12/11/2003WO2003102519A1 Methhod and system for sensing and analyzing a wavefront of an optically transmissive system
12/11/2003WO2003102499A1 System for measuring wavefront tilt in optical systems and method of calibrating wavefront sensors
12/10/2003EP1367935A2 Tomographic wavefront analysis system and method of mapping an optical system
12/09/2003US6661818 Etalon, a wavelength monitor/locker using the etalon and associated methods
12/09/2003US6661522 Interference system and semiconductor exposure apparatus having the same
12/09/2003US6661361 High speed optical analog to digital converter and digital optical wavemeter
12/04/2003US20030222196 System for measuring wavefront tilt in optical systems and method of calibrating wavefront sensors
12/03/2003EP1366381A2 Single-etalon, multi-point wavelength calibration reference and fully integrated optical system using the same
12/03/2003CN1459625A Scanning wavelength apparatus
12/02/2003US6657731 Coated optical microcavity resonator chemical sensor
12/02/2003US6657730 Interferometer with angled beam entry
12/02/2003US6656373 Apodized micro-lenses for Hartmann wavefront sensing and method for fabricating desired profiles
11/2003
11/27/2003WO2003078940A3 High resolution spectral measurement device
11/27/2003US20030218759 Wavelength monitoring device and method of tunable laser sources
11/27/2003US20030218750 Laser-based spectrometer for use with pulsed and unstable wavelength laser sources
11/26/2003EP1365218A2 Wavelength meter for swept lasers
11/26/2003CN2588343Y Shack-HJartmann wavefront sensor using commercial used digital camera as measuring component
11/25/2003US6654153 Semiconductor saturable absorber-based optical domain optical signal sampling device for sampling an optical signal
11/25/2003US6654124 Signal modulation compensation for wavelength meter
11/25/2003US6653613 Method and device for wavefront optical analysis
11/20/2003US20030214647 Systems and methods for wavefront measurement
11/19/2003EP1116012B1 Optical phase detector
11/19/2003EP1009984B1 Method and device for determining the phase- and/or amplitude data of an electromagnetic wave
11/18/2003US6649895 Dispersed Hartmann sensor and method for mirror segment alignment and phasing
11/13/2003WO2003093777A2 Device and method for determining chirp of a mach-zender type electro-optical modulator
11/13/2003WO2003065593A3 Method and apparatus for mesuring a frequency of an optical signal
11/13/2003US20030210388 Projection exposure apparatus using wavefront detection
11/11/2003US6646746 Method and system for optical heterodyne detection of an optical signal
11/11/2003US6646745 Method and apparatus for locking the transmission wavelength in optical communication laser packages
11/06/2003WO2003091685A1 Optical testing method and apparatus
11/06/2003WO2003021727A3 Line selected f2 two chamber laser system
11/06/2003US20030206327 Variable lenslet array
11/06/2003CA2483350A1 Optical testing method and apparatus
11/05/2003EP1359460A2 Double-layered type nematic liquid crystal display device and method of inspecting transparent substrates
11/05/2003EP1359451A1 Method for measuring the microrelief of an object and optical characteristics of near-surface layer, modulation interference microscope for carrying out said method
11/05/2003CN1126945C Virtual synthesis wave long-chain absolute distance interfero metering method and apparatus for realizing the same
11/04/2003CA2221176C High spectral resolution fiber optic spectrometer
10/2003
10/30/2003WO2003090493A1 Method and device to identify a periodic light source
10/29/2003EP1356256A1 Wavelength monitoring system
10/29/2003EP0920599B1 Measuring the effects of the refractive index of a gas using different multiple path interferometry ( superhetrodyne )
10/29/2003CN1451953A Novel structure photoelectric detector capable of measuring wave length and detecting method
10/28/2003US6639683 Interferometric sensor and method to detect optical fields
10/28/2003US6639679 Integrated wavelength monitor
10/23/2003WO2003088436A1 Wavelength monitor device
10/23/2003WO2003087898A1 Wavelength filter and wavelength monitoring apparatus
10/23/2003WO2003087742A1 Wavelength measurement
10/22/2003EP1355140A1 Imaging characteristics measuring method, imaging characteriatics adjusting method, exposure method and system, program and recording medium, and device producing method
10/21/2003US6636297 Vacuum ultraviolet laser wavelength measuring apparatus
10/21/2003US6634750 Tomographic wavefont analysis system and method of mapping an optical system
10/16/2003WO2002093115A3 System for monitoring wavelength
10/16/2003WO2002075877A3 Integrated wavelength locker for use with more than one wavelength and associated methods
10/09/2003WO2003083418A1 Frequency identification with frequency locker
10/07/2003US6630656 Method and apparatus for wavefront measurement that resolves the 2-π ambiguity in such measurement and adaptive optics systems utilizing same
10/07/2003US6629761 Eye characteristic measuring apparatus
10/02/2003US20030185577 Measuring optical waveforms
10/02/2003US20030185259 Frequency identification with frequency locker
10/01/2003EP1348941A1 Device for measuring the wavelength of a laser beam
09/2003
09/25/2003WO2003078940A2 High resolution spectral measurement device
09/25/2003WO2002059550A3 Interferometric filter wavelength meter and controller
09/24/2003EP1347265A2 Vibration noise mitigation in an interferometric system
09/24/2003EP1144982B1 Speckle mitigation for coherent detection employing a wide band signal
09/24/2003CN1444023A Large-bore wave surface interferometric instrument
09/23/2003US6625191 Very narrow band, two chamber, high rep rate gas discharge laser system
09/18/2003US20030174338 Vibration noise mitigation in an interferometric system
09/18/2003US20030174336 Compact interferometer and use in wavelength monitoring
09/18/2003US20030174331 Bench based integrated wavelength locker
09/18/2003US20030174327 Wavelength monitoring system
09/18/2003US20030173505 Multiple phase wavelength locker
09/18/2003US20030173502 Wavefront coding interference contrast imaging systems
09/16/2003US6621837 Wavelength stabilization monitor and method for adjusting the working wavelength of said monitor
09/16/2003US6621579 Fringe analysis method and apparatus using Fourier transform
09/12/2003WO2003074985A1 Wavefront sensing
09/12/2003WO2003074984A1 Measuring wavefront properties
09/12/2003WO2003074983A1 Method and arrangement for improving measuring quality during the operation of electro-optical mixing devices
09/09/2003US6616279 Method and apparatus for measuring wavefront aberrations
09/09/2003US6616275 Method and device for completely correcting visual defects of the human eye
09/04/2003WO2003050472A8 Systems and methods for wavefront measurement
09/04/2003US20030164951 Method and apparatus for calibrating a wavelength-tuning interferometer
09/03/2003EP1339519A2 FOUR KHz GAS DISCHARGE LASER
09/03/2003CN1120357C Fiber-optic frequency shifer, optical insterferometer and method of generating two complementary optical interference signals using the same
09/02/2003US6614955 Method and apparatus for an extended wavelength range coherent optical spectrum analyzer
09/02/2003US6614513 Apparatus and method for measuring the chromatic dispersion of an optical transmission link
09/02/2003US6614511 Light wavelength dispersion measuring apparatus and light wavelength dispersion measuring method
08/2003
08/28/2003US20030160968 Phase-shifting interferometry method and system
08/27/2003CN1119879C Wavelength manager
08/26/2003US6611337 Interferometer coupler using multiple input ports for improved stability
08/26/2003US6611336 Pulse measurement using frequency shifting techniques
08/21/2003US20030156287 Measuring weavelength change
08/20/2003CN1437703A Wavelength monitor for WDM systems
08/14/2003WO2003067182A1 Shearing interference measuring method and shearing interferometer, production method of projection optical system, projection optical system, and projection exposure system
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