Patents
Patents for G01B 9 - Instruments as specified in the subgroups and characterised by the use of optical measuring means (14,810)
02/2005
02/03/2005DE10334350B3 Verfahren zur Bestimung der Brechzahl bei interferometrischen Längenmessungen und Interferometeranordnung hierfür Method for Bestimung the refractive index at interferometric length measurements and this interferometer
02/03/2005DE10331966A1 Optische Meßeinrichtung Optical measuring device
02/03/2005CA2532949A1 Method and apparatus for multiwavelength imaging spectrometer
02/02/2005EP1502332A2 Optical array for generating a broadband spectrum
02/02/2005EP1502096A1 Improved fizeau interferometer designs for optical coherence tomography
02/02/2005EP1502092A1 Optical testing method and apparatus
02/02/2005EP1502076A1 Method and apparatus for the elimination of polarization fading in interferometeric sensing systems
02/01/2005USH2114 Inspection tool for testing and adjusting a projection unit of a lithography system
02/01/2005US6850346 Method and apparatus for storing and retrieving a sequence of digital page data
02/01/2005US6850329 Interferometer using integrated imaging array and high-density polarizer array
02/01/2005US6850315 Intensity-based optical waveguide sensor
01/2005
01/27/2005WO2005008334A2 Apparatus and method for high speed scan for detection and measurement of properties of sub-wavelength defects and artifacts in semiconductor and mask metrology
01/27/2005WO2005008214A2 Apparatus and method for ellipsometric measurements with high spatial resolution
01/27/2005WO2005008201A1 Method for measuring light flux correlation function and device for carrying out said method
01/27/2005WO2005008200A2 Method and apparatus for compact dispersive imaging spectrometer
01/27/2005WO2005008199A2 Method and apparatus for compact fabry-perot imaging spectrometer
01/27/2005WO2005008198A2 Method and apparatus for compact birefringent interference imaging spectrometer
01/27/2005WO2005008173A1 Optical measuring apparatus
01/27/2005WO2004068185A3 Scannable mirror arrangement for an interferometer
01/27/2005US20050021243 Laser and environmental monitoring system
01/27/2005US20050018211 Length measure apparatus and the method for measuring
01/27/2005US20050018206 Compensation for geometric effects of beam misalignments in plane mirror interferometer metrology systems
01/27/2005US20050018205 Position measuring device
01/27/2005US20050018202 Measurements of optical inhomogeneity and other properties in substances using propagation modes of light
01/27/2005US20050018201 Apparatus and method for ranging and noise reduction of low coherence interferometry lci and optical coherence tomography oct signals by parallel detection of spectral bands
01/27/2005DE10347650B3 Interferometer has stepped body in which the steps form a switchback reflective path lined at each end by plateau zone
01/27/2005DE10330363A1 Fabry-Perot fiber interferometer for precise measurements of small displacements comprises an emitting and detecting optical fiber and a deformable reflecting element that follows a displacement that is to be measured
01/26/2005EP1499913A1 Polarizing beamsplitter
01/26/2005CN2674400Y X-ray double-frequency holographic interferometer
01/26/2005CN1186590C 高倍全息位相差放大装置 High power amplification device holographic phase difference
01/25/2005US6847461 System and method for calibrating a spatial light modulator array using shearing interferometry
01/25/2005US6847457 Interferometer using integrated imaging array and high-density phase-shifting array
01/25/2005US6847456 Methods and systems using field-based light scattering spectroscopy
01/25/2005US6847455 Heterodyne interferometer with angstrom-level periodic nonlinearity
01/25/2005US6847454 Systems and methods for processing signals from an interferometer by an ultrasound console
01/25/2005US6847453 All fiber autocorrelator
01/25/2005US6847452 Passive zero shear interferometers
01/20/2005WO2004068066A3 Full-filled optical measurements of surface properties of panels, substrates and wafers
01/20/2005WO2004057266A8 Interferometer system and measuring device
01/19/2005EP1498690A1 Thickness measuring device
01/19/2005EP1497610A2 Real time high speed high resolution hyper-spectral imaging
01/19/2005EP1060369A4 Birefringence measurement system
01/19/2005CN1566901A Method for forming dynamic grating stripes
01/19/2005CN1566898A Cutter angle measuring microscope
01/19/2005CN1566897A Multiple free degree positioning cutter angle measuring microscope
01/19/2005CN1185462C Non linear deviation compensation device used for interference measuring element
01/19/2005CN1185461C Frequency shift without chromatic aberration of wideband light source and device generation interferential heterodyne signal
01/18/2005US6844936 Device for the non-contacting measurement of an object to be measured, particularly for distance and/or vibration measurement
01/13/2005WO2005004052A2 Method and apparatus for automatic registration and visualization of occluded targets using ladar data
01/13/2005WO2005003681A2 Faster processing of multiple spatially-heterodyned direct to digital holograms
01/13/2005WO2004092832A3 Determination of center of focus by parameter variability analysis
01/13/2005US20050008322 Direct combination of fiber optic light beams
01/13/2005US20050008298 Manipulators for fiber optic cable assemblies
01/13/2005US20050007603 Spatial wavefront analysis and 3d measurement
01/13/2005US20050007602 Device and method for wavefront measurement of an optical imaging system by means of phase-shifting interferometry
01/13/2005US20050007601 Optical characterization of surfaces and plates
01/13/2005US20050007599 Stroboscopic interferometry with frequency domain analysis
01/13/2005DE10325601B3 Schaltbares Punktlichtquellen-Array und dessen Verwendung in der Interferometrie Switchable point light source array, and its use in interferometry
01/12/2005EP1495369A2 Interferometric measuring device and projection illumination installation comprising one such measuring device
01/12/2005EP1495285A2 Vertical cavity surface emitting laser (vcsel) as an interferometer reference
01/12/2005EP1494575A2 Measurement of optical properties
01/12/2005EP1436570A4 Measurement of complex surface shapes using a spherical wavefront
01/12/2005CN1563882A Co-optical circuit double-frequency heterodyne confocal micromeasurer
01/12/2005CN1563881A Position phase-difference enlarger of combined interferometer
01/11/2005US6842291 Light altering device
01/11/2005US6842256 Compensating for effects of variations in gas refractivity in interferometers
01/11/2005US6842254 System and method for measuring an optical path difference in a sensing interferometer
01/06/2005WO2005001522A2 Measurements of optical inhomogeneity and other properties in substances using propagation modes of light
01/06/2005WO2005001445A2 Systems and methods for phase measurements
01/06/2005US20050002044 Method for determination of the level of two or more measurement points, and an arrangement for this purpose
01/06/2005US20050002041 Object imaging system using changing frequency interferometry method
01/06/2005US20050002040 Lithographic apparatus, device manufacturing method, and computer program
01/06/2005US20050002039 Interferometer
01/05/2005EP1492994A2 Method and apparatus for stage mirror mapping
01/05/2005EP1492442A1 Apparatus for high resolution imaging of moving organs
01/05/2005DE10324044A1 Interferometeranordnung und Verwendung der Interferometeranordnung Interferometer and use of the interferometer
01/04/2005US6839143 Method for the interferometric measurement of non-rotationally symmetric wavefront errors
01/04/2005US6839141 Method and apparatus for compensation of time-varying optical properties of gas in interferometry
12/2004
12/30/2004US20040263956 Optical microscope system and optical axis correcting method
12/30/2004US20040263860 Focus and alignment sensors and methods for use with scanning microlens-array printer
12/30/2004US20040263859 Full-field optical coherence tomography and its application to multiple-layer information decoding
12/30/2004US20040263858 Apparatus for measuring sub-resonance of optical pickup actuator
12/30/2004US20040263826 Gas velocity sensor
12/30/2004US20040261537 High-stability instrument mounting system for repeatable field testing of equipment
12/30/2004DE10347513A1 Optische Kohärenztomographievorrichtung Optical coherence tomography device
12/29/2004WO2004114211A2 Full-field optical coherence tomography and its application to multiple-layer information decoding
12/29/2004WO2004113826A2 Compensation for imperfections in a measurement object and for beam misalignments in plane mirror interferometers
12/29/2004WO2004090466A3 Apparatus and method for measurement of fields of backscattered and forward scattered/reflected beams by an object in interferometry
12/29/2004EP1491932A1 Optical microscope and a camera alignment method
12/29/2004CN1558211A Device and method for determining the chromatic dispersion of optical components
12/29/2004CA2530495A1 Full-field optical coherence tomography and its application to multiple-layer information decoding
12/28/2004US6836597 Scannable mirror arrangement for an interferometer
12/28/2004US6836578 System and method for measuring physical stimuli using vertical cavity surface emitting lasers with integrated tuning means
12/28/2004US6836336 Inspection system calibration methods
12/28/2004US6836335 Multi-axis interferometer
12/23/2004WO2004111929A2 Improved system for fourier domain optical coherence tomography
12/23/2004WO2004111661A2 System and method for low coherence broadband quadrature interferometry
12/23/2004WO2004111575A2 Interferometric absolute and real-time surface curvature sensor insensitive to tilt, translation and vibration
12/23/2004WO2004034079A3 Inspection system calibration methods
12/23/2004WO2004008078A9 Delaying interferometer