Patents
Patents for G01B 9 - Instruments as specified in the subgroups and characterised by the use of optical measuring means (14,810)
10/2003
10/09/2003US20030189709 Method and apparatus for optical spectroscopy incorporating a vertical cavity surface emitting laser (vcsel) as an interferometer reference
10/09/2003US20030189708 Antitank mine detection system for armored vehicle
10/09/2003US20030189688 Method of sizing an anterior chamber implant using optical coherence tomography
10/08/2003EP1350081A1 Fiber optic displacement sensor
10/08/2003CN1123783C Electro-optical measuring device for absolute distances
10/07/2003US6631047 Interference device, position detecting device, positioning device and information recording apparatus using the same
10/07/2003US6631004 Single-pass and multi-pass interferometry systems having a dynamic beam-steering assembly for measuring distance, angle, and dispersion
10/07/2003US6631003 Uncorrelated michelson interferometer
10/07/2003US6631001 Spectral image input device
10/02/2003US20030186136 Separated beam multiple degree of freedom interferometer
10/02/2003US20030186134 Interferometrically measuring first and second optical path lengths to a measurement object along respective first and second paths; compensating the first measured optical path length for time-varying optical properties of gas
10/02/2003US20030184763 Spherical form measuring and analyzing method
10/02/2003US20030184762 Apparatus for and method of measurement of aspheric surfaces using hologram and concave surface
10/02/2003US20030184761 System and method for surface profiling
10/02/2003US20030184759 Interferometer with dynamic beam steering element
10/02/2003US20030184758 Optical amplification in coherence reflectometry
10/01/2003CN2577237Y Static-displacement real-time interference measuring device
10/01/2003CN2577236Y Nano-precision displacement and vibration interference measuring apparatus
09/2003
09/30/2003US6628406 Self referencing mark independent alignment sensor
09/30/2003US6628404 Acoustic sensor for real-time control for the inductive heating process
09/30/2003US6628402 Phase interference detecting method and system in interferometer, and light detector therefor
09/30/2003US6628399 Method and device real time non-destructive determination of residual stresses in objects by the optical holographic interferometry technique
09/25/2003WO2003078946A1 Interferometer
09/25/2003WO2003078925A2 Surface profiling apparatus
09/25/2003WO2003078923A1 Optical interferometer
09/25/2003WO2003033994B1 Measurement of complex surface shapes using a spherical wavefront
09/25/2003WO2003011764A3 Real-time imaging system and method
09/25/2003US20030179382 Use of electronic speckle interferometry for defect detection in fabricated devices
09/25/2003US20030179358 Position measuring system with multiple bar mirrors
09/24/2003EP1347336A1 Interferometer system and lithographic apparatus comprising such a system
09/24/2003EP1347265A2 Vibration noise mitigation in an interferometric system
09/24/2003EP0998656B1 Interferometric calibration of laser ablation
09/24/2003CN1444019A Optical fibre Michelson interferometer with optic circulator
09/24/2003CN1122172C System and method for measuring image sensing chip offset
09/23/2003US6624894 Scanning interferometry with reference signal
09/23/2003US6624891 Interferometric-based external measurement system and method
09/18/2003WO2003076872A1 Shape measuring method, interference measuring device, porduction method for projection optical system, and porjectionj aligner
09/18/2003WO2003069273A3 Separated beam multiple degree of freedom interferometer
09/18/2003WO2003007811A3 Electronically scanned optical coherence tomography with frequency modulated signals
09/18/2003US20030176000 Measuring apparatus and film formation method
09/18/2003US20030174921 Transmission of orthogonal circular polarizations on a fiber
09/18/2003US20030174342 Method for measuring interference and apparatus for measuring interference
09/18/2003US20030174341 Characterization and compensation of non-cyclic errors in interferometry systems
09/18/2003US20030174340 Method and apparatus to measure fiber optic pickup errors in interferometry systems
09/18/2003US20030174339 Method for studying a sample and optical interferometer for doing the same
09/18/2003US20030174338 Vibration noise mitigation in an interferometric system
09/18/2003US20030174336 Compact interferometer and use in wavelength monitoring
09/17/2003EP1345051A2 Transmission of orthogonally circularly polarized beams on a fiber
09/17/2003CN1442719A Image comparing apparatus
09/17/2003CN1442668A Non linear deviation compensation device used for interference measuring element
09/16/2003US6621579 Fringe analysis method and apparatus using Fourier transform
09/11/2003US20030169683 Ofdm apparatus and method
09/11/2003US20030169505 Shear processor
09/11/2003US20030169429 Multiple-pass interferometry
09/10/2003CN1441225A Stepped interference fringe subdividing device
09/09/2003US6618523 Unbalanced fiber optic Michelson interferometer as an optical pick-off
09/09/2003US6618344 Optical pickup apparatus having improved holographic optical element and photodetector
09/09/2003US6618218 Displacement detecting apparatus and information recording apparatus
09/09/2003US6618152 Optical coherence tomography apparatus using optical-waveguide structure which reduces pulse width of low-coherence light
09/04/2003WO2003073041A1 Low-coherence inferometric device for light-optical scanning of an object
09/04/2003US20030164951 Method and apparatus for calibrating a wavelength-tuning interferometer
09/04/2003US20030164948 Multiple degree of freedom interferometer
09/04/2003US20030164945 Image comparator
09/03/2003EP1340959A2 Interferometric measuring method and apparatus
09/03/2003CN1120357C Fiber-optic frequency shifer, optical insterferometer and method of generating two complementary optical interference signals using the same
09/02/2003US6615072 Optical imaging device
09/02/2003US6614535 Exposure apparatus with interferometer
08/2003
08/28/2003WO2003071222A2 Systems and methods for inspection of ophthalmic lenses
08/28/2003WO2003070090A2 Tracking assisted optical coherence tomography
08/28/2003WO2003014674A3 Two delay coil sagnac-based sensor array
08/28/2003WO2002071117A3 Optical delay line
08/28/2003US20030161038 Microscope and method for measuring surface topography in a quantitative and optical manner
08/28/2003US20030160968 Phase-shifting interferometry method and system
08/28/2003US20030160965 Interferometric measuring device
08/28/2003US20030160963 Gires-Tournois interferometer with faraday rotators for optical signal interleaver
08/28/2003US20030160943 Tracking assisted optical procedure
08/28/2003US20030160942 Tracking assisted optical coherence tomography
08/28/2003CA2475046A1 Tracking assisted optical coherence tomography
08/27/2003EP1337804A1 Method and device for non-destructive real-time measurements of residual stresses in planar and non-planar objects
08/27/2003EP1337803A1 Interferometric measuring device
08/27/2003CN1438468A Equal-rise coefficient-comparison digital damage-free detection system for detecting large curvature radius
08/26/2003US6611379 Beam splitter and method for generating equal optical path length beams
08/26/2003US6611340 Gires-tournois interferometer with Faraday rotators for optical signal interleaver
08/26/2003US6611338 Method and apparatus for the interferometric examination of scattering objects
08/26/2003US6611336 Pulse measurement using frequency shifting techniques
08/21/2003WO2003069286A2 Method and apparatus to measure fiber optic pickup errors in interferometry systems
08/21/2003WO2003069278A1 Optical displacement sensor
08/21/2003WO2003069274A1 Interferometer with dynamic beam steering element
08/21/2003WO2003069273A2 Separated beam multiple degree of freedom interferometer
08/21/2003WO2003069272A1 Method for studying an object and an optical interferometer for carrying out said method
08/21/2003WO2003069264A2 Characterization and compensation of non-cyclic errors in interferometry systems
08/21/2003CA2513203A1 Optical displacement sensor
08/21/2003CA2474631A1 Method for studying an object and an optical interferometer for carrying out said method
08/19/2003US6608717 Optical coherence microscope and methods of use for rapid in vivo three-dimensional visualization of biological function
08/19/2003US6608685 Tunable Fabry-Perot interferometer, and associated methods
08/19/2003US6608684 Optical coherent tomography apparatus, fiberoptic lateral scanner and method for studying biological tissues in vivo
08/19/2003CA2220526C Method and apparatus for integrating an automated system to a laboratory
08/14/2003WO2003067246A2 Use of electronic speckle interferometry for defect detection in fabricated devices
08/14/2003WO2003067182A1 Shearing interference measuring method and shearing interferometer, production method of projection optical system, projection optical system, and projection exposure system
08/14/2003WO2002037075A3 Optical amplification in coherent optical frequency modulated continuous wave reflectometry