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