Patents for G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength (4,525)
10/2002
10/10/2002WO2002001204A9 Micro-optic absorption spectrometer
10/08/2002US6462827 Phase-based wavelength measurement apparatus
10/08/2002US6462823 Wavelength meter adapted for averaging multiple measurements
10/08/2002US6460997 Apparatus and method for objective measurements of optical systems using wavefront analysis
10/03/2002WO2002077692A1 Optical system manufacturing method and exposure device having an optical system manufactured by the manufacturing method
09/2002
09/26/2002WO2002075877A2 Integrated wavelength locker for use with more than one wavelength and associated methods
09/26/2002WO2002075367A2 Tomographic wavefront analysis system
09/26/2002US20020135777 Phase shift fringe analysis method and apparatus using the same
09/26/2002US20020135751 Process and apparatus for recording the deformation of objects
09/26/2002DE10202738A1 Phase or fringe scanning using a phase scanning device such as a piezo-electric device for determining the surface properties of objects, such as detection of wave front aberrations of less than one tenth of a wavelength
09/19/2002WO2002025232A3 Wavelength detector and method of detecting wavelength of an optical signal
09/19/2002US20020131045 Real-time wavelength calibration for swept lasers
09/19/2002US20020130255 Heterodyne optical spectrum analyzer with provisions for intensity noise subtraction
09/18/2002EP1241807A2 Heterodyne optical spectrum analyzer with provisions for intensity noise subtraction
09/18/2002CN1369694A Real time wavelength calibration of scanning laser
09/17/2002US6452146 Electro-optical field conjugation system
09/17/2002US6452145 Method and apparatus for wavefront sensing
09/12/2002US20020126288 Optical beamsplitter for a polarization insensitive wavelength detector and a polarization sensor
09/12/2002US20020125405 Light wavelength meter
09/11/2002EP1239272A2 Tunable filter with wavelength monitor
09/09/2002CA2372797A1 Tunable filter with wavelength monitor
09/05/2002US20020122444 Light frequency locker
09/05/2002US20020122181 Interferometric measuring arrangement for superimposing at least two lightwaves
09/05/2002US20020122180 Method and system for optical spectrum analysis with a depolarized local oscillator signal
09/05/2002US20020122176 Convolution method for measuring laser bandwidth
09/05/2002US20020121608 High resolution spectral measurement device
09/04/2002EP1236293A2 Optical power and wavelength monitor
09/04/2002EP1235508A1 Wavefront sensor with off-axis illumination
08/2002
08/29/2002WO2002067025A1 Optical resonator and wavelength control module using the resonator
08/29/2002WO2001081949A3 Very fast time resolved imaging in multiparameter measurement space
08/29/2002WO2001077626A3 Wavelength monitor/locker using an etalon and associated methods
08/29/2002US20020118370 Wavefront measuring apparatus and wavefront measuring method
08/29/2002US20020118368 Light wavelength measuring apparatus and method for measuring wavelength of subject light with high speed by using two-beam interferometer
08/29/2002US20020118356 Apparatus and method for measuring the chromatic dispersion of an optical transmission link
08/29/2002US20020118340 Range-extending system and spatial filter for enhancing hartmann-shack images and associated methods
08/22/2002US20020114563 Optical microcavity resonator system
08/21/2002EP1233256A1 Procedure and device for measuring the chromatic dispersion of an optical transmission section
08/20/2002US6437321 Method and apparatus to correct for thermally-induced wavefront distortion in crystal rods
08/14/2002EP1231455A2 Method and system for optical spectrum analysis with a depolarized local oscillator signal
08/14/2002EP1230576A1 System and method for recovering phase information of a wave front
08/13/2002US6433869 Wavelength measurement by dispersion timing
08/08/2002WO2002061388A2 High resolution etalon-grating monochromator spectrometer
08/08/2002US20020105711 Semiconductor saturable absorber-based optical domain optical signal sampling device for sampling an optical signal
08/07/2002EP0983483B1 Interferometric measuring device
08/06/2002US6429415 Wide field imaging through turbulent media
08/01/2002WO2002059550A2 Interferometric filter wavelength meter and controller
08/01/2002US20020101589 High resolution etalon-grating spectrometer
08/01/2002US20020101588 High resolution etalon-grating monochromator
07/2002
07/31/2002CN1361608A 波长监控设备 Wavelength monitoring equipment
07/30/2002US6426496 High precision wavelength monitor for tunable laser systems
07/25/2002WO2002057815A2 Single-etalon, multi-point wavelength calibration reference and fully integrated optical system using the same
07/25/2002CA2434851A1 Single-etalon, multi-point wavelength calibration reference and fully integrated optical system using the same
07/24/2002EP1225432A2 Wavelength monitor
07/24/2002EP1223850A1 Wavefront refractor simultaneously recording two hartmann-shack images
07/24/2002EP1223849A2 Wavefront sensor having multi-power beam modes, independent adjustment camera, and accommodation range measurement
07/23/2002US6424420 Measuring device for arrayed-waveguide diffraction grating
07/18/2002WO2002056083A1 Method for measuring the microrelief of an object and optical characteristics of near-surface layer, modulation interference microscope for carrying out said method
07/18/2002US20020094148 Single-etalon, multi-point wavelength calibration reference and fully integrated optical system using the same
07/18/2002US20020093661 Optical wavelength monitoring system and stabilizing system
07/18/2002US20020093660 Wavelength monitor
07/18/2002US20020093657 Wavelength detector and method of detecting wavelength of an optical signal
07/17/2002EP1221889A1 Rapid, automatic measurement of the eye's wave aberration
07/17/2002EP1058813A4 Interferometer and method for measuring the refractive index and optical path length effects of air
07/17/2002EP1055103B1 Method and device for determining the distribution of intensity and phase in a laser beam different cutting planes
07/17/2002EP0876625B1 Radiation field analyzer
07/16/2002US6421131 Birefringent interferometer
07/11/2002WO2002054027A1 Wavelength monitoring system
07/11/2002US20020088929 Wavelength monitoring apparatus
07/11/2002US20020088920 Method and apparatus for controlling optical wavelength based on optical frequency pulling
07/11/2002CA2436729A1 Wavelength monitoring system
07/10/2002EP1221599A1 Wavemeter with increased accuracy over a wide wavelength range
07/10/2002EP1221581A1 Interferometer
07/09/2002US6417926 Wavelength measuring system
07/04/2002US20020086217 Holographic manufacture of coherence detectors
07/04/2002US20020085742 Multi-domain, photonic fingerprint analyzer
07/04/2002US20020085208 Interferometer system and interferometric method
07/03/2002EP1219939A2 Wavelength monitoring apparatus
07/03/2002EP1219938A2 Light wavelength measuring apparatus and method using a two-beam interferometer
07/03/2002EP1218982A2 Optical fiber wavelength reference device
07/03/2002EP1218978A1 Double etalon optical wavelength reference device
07/03/2002EP1218724A1 Signal processing apparatus and method
07/03/2002EP1218710A1 Device for measuring of optical wavelengths
07/02/2002US6414303 High accuracy Bragg grating based pressure sensor with dual resolution mode
07/02/2002CA2198713C Method and apparatus for calibrating a laser wavelength control mechanism
06/2002
06/27/2002US20020081065 Fabry-perot etalon, wavelength measuring apparatus, and wavelength tunable light source device with built-in wavelength measuring apparatus
06/27/2002US20020080367 Wavelength measuring apparatus and wavelength tunable light source device with built-in wavelength measuring apparatus
06/27/2002US20020080360 Multi-domain differential coherence detection
06/27/2002US20020079453 Micro-optic absorption spectrometer
06/27/2002US20020079425 Wide field imaging through turbulent media
06/19/2002EP1215465A1 Method and apparatus for measuring the deformation of objects
06/18/2002US6407848 Servo-stabilized-phase, differential coherence detector
06/18/2002US6406146 Wavefront refractor simultaneously recording two hartmann-shack images
06/13/2002WO2001098012A9 FOUR KHz GAS DISCHARGE LASER
06/13/2002US20020071098 Wavefront characterization of corneas
06/13/2002DE10101057A1 Deformation detection method and appliance for an object under the effects of e.g. pressure or heat, employs high speed photography
06/13/2002DE10061147A1 Arrangement for determining reflection wavelength of fibre Bragg gratings spaced at equal distances apart, splits and processes reflected light signals converted to electric signals to determine wavelengths
06/12/2002EP1213571A1 Interference of light
06/12/2002EP1212816A2 Wavelength reference device
06/12/2002EP1212581A1 Wavelength reference device
06/06/2002WO2002001765A3 Optical power and wavelength monitor
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