Patents for G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength (4,525)
01/2002
01/02/2002EP1164921A1 High resolution device for observing a body
01/02/2002EP1066495A4 Apparatus and method for measuring the refractive index and optical path length effects of air using multiple-pass interferometry
01/02/2002EP1058810A4 Apparatus and methods for measuring intrinsic optical properties of a gas
01/02/2002CN1329711A Method for improving measurements by laser interferometer
01/02/2002CN1329382A Optical monitor, filter and optical assembly
12/2001
12/27/2001WO2001098731A1 Selectively enabled delay elements for interferometers
12/27/2001WO2001098012A2 FOUR KHz GAS DISCHARGE LASER
12/26/2001CN1328637A Optical phase detector
12/20/2001US20010053265 Optical device for use in detecting the wavelength and intensity of light
12/20/2001US20010053162 Laser apparatus for generating vacuum ultraviolet narrow-band laser beams
12/19/2001EP1164367A2 Optical device for use in detecting the wavelength and intensity of light
12/18/2001US6331892 Interferometer for monitoring wavelength in an optical beam
12/13/2001WO2001094896A1 Apparatus for interrogating an optical signal
12/13/2001WO2001063233A3 Device for detecting wave fronts
12/11/2001US6330261 Reliable, modular, production quality narrow-band high rep rate ArF excimer laser
12/11/2001US6330065 Gas insensitive interferometric apparatus and methods
12/11/2001US6330063 Low coherence interferometer apparatus
12/06/2001WO2001092838A1 Method and apparatus for wavefront sensing
12/04/2001US6327039 Interferometer and method for measuring the refractive index and optical path length effects of air
12/04/2001US6327036 Fabry Perot/fiber Bragg grating multi-wavelength reference
11/2001
11/28/2001EP1158630A1 Wavelength stabilization monitor and method for adjusting the working wavelength of said monitor
11/28/2001EP1157261A2 Method and device for analysing a highly dynamic wavefront
11/28/2001CN1075630C Interferometer having micromirror and filter method therein
11/27/2001US6323987 Controlled multi-wavelength etalon
11/27/2001US6323949 Optical measurement method and apparatus which determine a condition based on quasi-elastic-interaction
11/22/2001US20010043333 Optical systems for measuring form and geometric dimensions of precision engineered parts
11/22/2001DE10109929A1 Wavefront detector has wavefront source with two-dimensional structure and locally varying transmission, diffraction grid and position resolving detector
11/21/2001EP0927342B1 Interferometer and method for compensation of dispersion or increase in spectral resolution of such an interferometer
11/21/2001CN1322939A Gas delay system for reading out time delay precisely and eliminating group speed dispersion
11/14/2001EP1153570A1 Apparatus and method for objective measurement of optical systems using wavefront analysis
11/14/2001EP1000315A4 Pulse measurement using frequency shifting techniques
11/13/2001US6317448 Bandwidth estimating technique for narrow band laser
11/08/2001WO2001084098A1 Method and means of measuring wavelength change
11/08/2001WO2001084097A1 Measuring weavelength change
11/08/2001CA2343679A1 Apparatus and method for objective measurements of optical systems using wavefront analysis
11/07/2001CN1320812A Phase difference measurer and heterodyne interference measuring system using it
11/06/2001US6313934 Chromatic dispersion measurement scheme for optical systems having remote access points
11/01/2001WO2001082228A2 Spatial filter for enhancing hartmann-shack images and associated methods
11/01/2001WO2001081949A2 Very fast time resolved imaging in multiparameter measurement space
10/2001
10/31/2001EP1149268A1 Method for improving measurements by laser interferometer
10/31/2001CN1320026A Method and device for completely correcting visual defects of the human eye
10/25/2001WO2001079795A1 Wavelength monitor for wdm systems
10/25/2001WO2001078585A2 Wavefront sensor for objective measurement of an optical system and associated methods
10/25/2001WO2001028411B1 Wavefront sensor with off-axis illumination
10/25/2001US20010033385 Wavemeter
10/25/2001CA2406369A1 Wavelength monitor for wdm systems
10/25/2001CA2376756A1 Wavefront sensor for objective measurement of an optical system and associated methods
10/18/2001WO2001078266A1 Wavelength division multiplex (wdm) signal monitor
10/18/2001WO2001077629A2 Spatial and spectral wavefront analysis and measurement
10/18/2001WO2001077626A2 Wavelength monitor/locker using an etalon and associated methods
10/18/2001WO2001028409B1 Rapid, automatic measurement of the eye's wave aberration
10/18/2001US20010030753 Fringe analysis method and apparatus using fourier transform
10/18/2001CA2404765A1 Spatial and spectral wavefront analysis and measurement
10/17/2001EP1144982A2 Speckle mitigation for coherent detection employing a wide band signal
10/17/2001EP0831312B1 Optical fibre interferometer and optical fibre piezo-electric modulator
10/16/2001US6304330 Methods and apparatus for splitting, imaging, and measuring wavefronts in interferometry
10/11/2001WO2001075407A1 Method and apparatus for measuring phase differences between intensity-modulated optical signals
10/11/2001DE10014644A1 Optisches Modul zur Wellenlängen-Referenzmessung in WDM-Systemen An optical module for wavelength reference measurement in WDM systems
10/09/2001US6299311 Rapid, automatic measurement of the eye's wave aberration
10/04/2001WO2001073387A1 Optical module for the wavelength reference measurement in wdm systems
10/04/2001WO2000014513A3 Speckle mitigation for coherent detection employing a wide band signal
09/2001
09/27/2001DE10014400A1 Ophthalmic wavefront aberration diagnostic tool, has camera that aids in focusing aerial image from lenslet array, on wavefront sensor
09/26/2001EP0866956B1 Wavefront measuring system with integral geometric reference (igr)
09/25/2001US6295132 Interferometric measuring device having parallelly-displacing arrangement and compensating grating in the reference path
09/19/2001EP1133673A1 Interferometer for optical wavelength monitoring
09/11/2001US6286959 Wavefront characterization of corneas
09/07/2001WO2001065220A1 Method and system for detecting radiation
09/06/2001US20010019415 Interferometer having a micromirror
09/05/2001EP1130813A2 Method and system for optical heterodyne detection using optical attenuation
08/2001
08/30/2001WO2001063233A2 Device for detecting wave fronts
08/29/2001EP1127252A1 Phase determination of a radiation wave field
08/23/2001WO2001061323A1 Instrument for measuring physical property of sample
08/23/2001WO2001061296A1 Method and apparatus for optical system coherence testing
08/22/2001CN1309285A Improved step standard device
08/16/2001WO2001059413A2 System and method for measuring optical wavelengths
08/16/2001WO2001059402A2 Optical systems for measuring form and geometric dimensions of precision engineered parts
08/16/2001WO2000042401A3 Method and device for analysing a highly dynamic wavefront
08/16/2001EP1123491A1 Wavefront sensing device
08/14/2001US6273566 Ophthalmologic characteristic measuring apparatus
08/02/2001DE10048174A1 Datenprozessor und Datenverarbeitungsverfahren für einen Wellenmesser Data processor and data processing method for a shaft diameter
08/02/2001DE10048173A1 Data processor for wavemeter used in optical communication fields, reads out digital interference signal data from designated address in memory, after completion of data write-in
08/01/2001EP1119748A1 Interferometer coupler using multiple input ports for improved stabiblity
08/01/2001EP1119324A1 Method and device for completely correcting visual defects of the human eye
08/01/2001EP1119323A1 Method and device for performing online aberrometrie in refractive eye correction indices
07/2001
07/31/2001WO2001057487A1 Wavelength monitor, method of adjustment thereof, stabilized light source, and communication system using stabilized light sources
07/24/2001US6264328 Wavefront sensor with off-axis illumination
07/19/2001WO2001052369A1 Integrated wavelength monitor
07/18/2001EP1116012A1 Optical phase detector
07/12/2001US20010007501 Integrated wavelength monitor
07/11/2001CN1303003A Millimeter wave measuring meter and method
07/10/2001US6259530 Method and device for measuring the depths of bottoms of craters in a physico-chemical analyzer
07/05/2001WO2001048881A1 Wavemeter for gas discharge laser
07/05/2001WO2001011392A3 Optical fiber wavelength reference device
07/05/2001US20010006210 Wavefront sensor, and lens meter and active optical reflecting telescope using the same
07/04/2001EP1113251A2 Wavefront sensor with a Hartmann plate with multifocal lenses, and a lens meter and an active optical reflecting telescope using the sensor
07/04/2001CN1301954A Wavefront sensor and lens detector and active reflective optic telescope with it
06/2001
06/27/2001CN1301401A Device and method for detecting the phase and amplitude of electromagnetic waves
06/21/2001DE10048175A1 Data processor for wavemeter, adjusts sampling start timing of interference signal in A/D sampler, arbitrarily
06/19/2001US6249352 Lateral shearing interferometer system with masked interference pattern
06/19/2001US6249350 Interferometer and methods for compensation of dispersion or increase in spectral resolution of such an interferometer
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