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)
08/2003
08/14/2003WO2003054613A3 Method and apparatus for improving the dynamic range and accuracy of a shack-hartmann wavefront sensor
08/13/2003CN1118000C Gas delay system for reading out time delay precisely and eliminating group speed dispersion
08/12/2003CA2190915C High efficiency polarization diversity receiver system
08/07/2003WO2003065593A2 Method and apparatus for mesuring a frequency of an optical signal
08/06/2003EP1333260A2 Phase measuring method and apparatus
08/06/2003EP1332331A1 Interferometric sensor and method to detect optical fields
08/06/2003CN1434278A Wavelength strength converter
08/05/2003US6603549 Convolution method for measuring laser bandwidth
07/2003
07/31/2003WO2003020121A9 Adaptive optics in a scanning lase ophtalmoscope
07/31/2003US20030144819 Phase measuring method and apparatus
07/31/2003US20030142977 Apparatus for interrogating an optical signal
07/31/2003US20030142322 Wavefront splitting element for EUV light and phase measuring apparatus using the same
07/31/2003US20030142320 Method and apparatus for measuring a frequency of an optical signal
07/31/2003US20030142315 Linear filter based wavelength locking optical sub-assembly and associated methods
07/31/2003US20030142312 Real-time wavefront sensor system
07/30/2003EP1185844B1 Illumination measuring device
07/29/2003US6600846 Single-etalon, multi-point wavelength calibration reference and fully integrated optical system using the same
07/29/2003US6598975 Apparatus and method for measuring vision defects of a human eye
07/29/2003US6598974 Method and apparatus for measuring wavefront aberrations
07/29/2003US6598973 Spatial filter for enhancing Hartmann-Shack images and associated methods
07/24/2003WO2002091116A3 Apparatus and method for measuring intensity and phase of a light pulse with an interferometric asymmetric single-shot autocorrelator
07/24/2003US20030138250 Wavelength division multiplex (wdm) signal monitor
07/24/2003US20030137672 Wavelength detecting apparatus, laser apparatus, and wavelength detecting method
07/23/2003EP1329702A1 Polarization effect averaging
07/23/2003EP1157261B1 Method and device for analysing a highly dynamic wavefront
07/23/2003EP1038155B1 Wavelength measuring device with a mach zehnder interferometer controlled without mean value
07/23/2003EP0920600B1 Superheterodyne interferometer and method for compensating the refractive index of air using electronic frequency multiplication
07/23/2003CN1431478A Micro displacement real time interferometry apparatus
07/22/2003US6597462 Laser wavelength and bandwidth monitor
07/22/2003US6597440 Wavefront measuring method and projection exposure apparatus
07/17/2003WO2003050470A3 Phase-shifting interferometry method and system
07/16/2003EP1326525A1 Method and apparatus for measuring wavefront aberrations
07/16/2003CN1430724A Method and apparatus for measuring phase differences between intensity-modulated optical signals
07/15/2003US6594022 Wavelength reference device
07/15/2003US6594019 Data processor and data processing method for wavemeter
07/15/2003US6593727 Data processor and data processing method for wavemeter
07/10/2003US20030128369 Compensating for effects of non-isotropic gas mixtures in interferometers
07/10/2003US20030128366 Imaging systems
07/10/2003US20030127521 Information card system
07/08/2003US6590668 Imaging optical system for direct phase-angle measurement of radiation
07/08/2003US6590666 Method and system for optical spectrum analysis with non-uniform sweep rate correction
07/08/2003US6590664 Interferometer with optical fiber interconnected dual arm sampler
07/08/2003US6588900 High resolution device for observing a body
07/03/2003WO2003054613A2 Method and apparatus for improving the dynamic range and accuracy of a shack-hartmann wavefront sensor
07/03/2003WO2003054474A1 Method and apparatus for calibrating a wavelength-tuning interferometer
07/03/2003US20030123066 Apparatus for detecting wavelength drift and method therefor
07/03/2003US20030123065 Apparatus for detecting cross-talk and method therefor
07/02/2003EP1324516A2 Apparatus for detecting cross-talk and method therefor
07/02/2003EP1324006A1 Simultaneous self-calibrated sub-aperture stitching for surface figure measurement ( interferometer )
07/02/2003EP1323216A1 Very narrow band, two chamber, high rep rate gas discharge laser system
07/02/2003EP1322926A2 Wavelength detector and method of detecting wavelength of an optical signal
07/01/2003US6587278 Optical interferometer and signal synthesizer using the interferometer
07/01/2003US6587215 Low signal-to-noise ratio branch-point-capable adaptive optics sensor
07/01/2003US6587214 Optical power and wavelength monitor
06/2003
06/26/2003WO2003052345A1 System and method for measuring optical distance
06/26/2003US20030117632 Method for self-calibrated sub-aperture stitching for surface figure measurement
06/26/2003US20030117631 Interferometers for measuring changes in optical beam direction
06/26/2003US20030117615 Optical phase front measurement unit
06/25/2003EP1322006A1 Apparatus for detecting wavelength drift and method therefor
06/24/2003CA2315591C Four step discrete phase shift demodulation method for fiber optic sensor arrays
06/19/2003WO2003050472A1 Systems and methods for wavefront measurement
06/19/2003WO2003050470A2 Phase-shifting interferometry method and system
06/19/2003WO2003002025A3 Wavefront characterization
06/19/2003US20030112444 System and method for measuring optical distance
06/18/2003EP1320156A1 Control loop apparatus and method therefor
06/17/2003US6580513 Optical wavelength monitoring system and stabilizing system
06/17/2003US6578964 Wavefront characterization of corneas
06/17/2003US6578963 Wavefront sensor for objective measurement of an optical system and associated methods
06/12/2003WO2003048746A1 Sensor and method for detecting fiber optic faults
06/12/2003WO2003048681A1 Compensating for effects of non-isotropics gas mixtures in interferometers
06/12/2003US20030107814 Method and apparatus for improving the dynamic range and accuracy of a Shack-Hartmann wavefront sensor
06/12/2003US20030107746 Robust wavelength locker for control of laser wavelength
06/10/2003US6577447 Multi-lens array of a wavefront sensor for reducing optical interference and method thereof
06/10/2003US6577403 Achromatic optical interferometer with continuously adjustable sensitivity
06/05/2003US20030103215 Scanning interferometer for aspheric surfaces and wavefronts
06/05/2003US20030103213 Calibrating a frequency difference between two or more lasers over an extended frequency range
06/05/2003US20030103211 Sensor and method for detecting fiber optic faults
06/04/2003CN1422465A Wavelength division multiplex (WDM) singnal monitor
06/04/2003CN1421680A Double-shearing wave surface interferometrical instrument
06/03/2003US6574253 Device for monitoring the emission wavelength of a laser
06/03/2003US6573985 Wavelength dispersion measuring device and a method thereof
05/2003
05/30/2003WO2003044456A1 Scanning interferometer for aspheric surfaces and wavefronts
05/30/2003WO2003044455A1 Rapid in situ mastering of an aspheric fizeau
05/27/2003US6570894 Real-time wavelength calibration for swept lasers
05/27/2003US6570143 Wavefront sensing device
05/22/2003WO2003042649A2 Range extending system and spatial filter
05/21/2003EP1311814A1 High precision wavelength monitor for tunable laser systems
05/20/2003US6567450 Very narrow band, two chamber, high rep rate gas discharge laser system
05/20/2003US6567437 Wavelength monitoring device and its adjusting method, and wavelength stabilizing light source and transmission system having plural wavelength stabilizing light source
05/20/2003US6565209 Range-extending system and spatial filter for enhancing Hartmann-Shack images and associated methods
05/15/2003WO2003001143A3 Apparatus and method for measuring aspherical optical surfaces and wavefronts
05/15/2003US20030090678 Rapid in situ mastering of an aspheric fizeau with residual error compensation
05/13/2003US6563947 Application specified integrated circuit for use in wavefront detection
05/13/2003US6563572 Correlating shack-hartmann wavefront sensor
05/13/2003US6561420 Information card system
05/08/2003WO2003038484A1 Wave length plate, wavelength filter and wavelength monitor
05/07/2003CN1107878C Method for measuring timedelay of chirp optical fiber raster
05/01/2003WO2003036223A1 Interferometers for measuring changes in optical beam direction
05/01/2003WO2003002026A3 Wavefront characterization of corneas
05/01/2003WO2003002024A3 Wavefront characterization of corneas
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