Patents
Patents for G01B 9 - Instruments as specified in the subgroups and characterised by the use of optical measuring means (14,810)
12/2001
12/05/2001EP1159582A1 Coupled etalon interferometers
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
12/04/2001US6325512 Retinal tracking assisted optical coherence tomography
11/2001
11/29/2001WO2001090689A1 Method for measuring interference and apparatus for measuring interference
11/29/2001WO2001090686A1 In-situ mirror characterization
11/29/2001WO2001090685A2 Height scanning interferometer for determining the absolute position and surface profile of an object with respect to a datum
11/29/2001WO2001089373A2 Method and apparatus for measuring ocular alignment
11/29/2001US20010046054 System and method for performing selected optical measurements utilizing an optical coherence domain reflectometer
11/29/2001US20010046053 Interferometric apparatus and method(s) for precision measurement of altitude above a surface
11/28/2001CN1075630C Interferometer having micromirror and filter method therein
11/27/2001US6323945 Coma aberration automatic measuring mark and measuring method
11/27/2001US6323483 High bandwidth recoiless microactuator
11/27/2001US6322037 Moving mirror support device for photo-interferometer
11/22/2001WO2001088474A1 Interval measuring device and surface shape measuring device
11/22/2001WO2001088468A1 Interferometric apparatus and method
11/22/2001WO2001088467A2 Data age adjustments
11/22/2001US20010043404 Liquid immersion lens system and optical apparatus using the same
11/22/2001US20010043334 Air refractometer
11/22/2001US20010043333 Optical systems for measuring form and geometric dimensions of precision engineered parts
11/22/2001US20010043332 Optical coherence tomography apparatus using optical-waveguide structure which reduces pulse width of low-coherence light
11/21/2001EP0927342B1 Interferometer and method for compensation of dispersion or increase in spectral resolution of such an interferometer
11/21/2001CN1322952A Electronic counting method and counter for physical body fluid components
11/20/2001US6320665 Acousto optic scanning laser vibrometer for determining the dynamic properties of an object
11/20/2001US6320663 Method and device for spectral measurements of laser beam
11/20/2001CA2064719C Interferometer utilizing superfluorescent optical source
11/15/2001US20010040682 Shearographic imaging machine
11/14/2001EP1154224A1 Optical coherence tomography apparatus using optical-waveguide structure which reduces pulse width of low-coherence light
11/14/2001EP1153263A1 Combining interference fringe patterns to a moire fringe pattern
11/14/2001EP1000315A4 Pulse measurement using frequency shifting techniques
11/13/2001US6317259 Interference microscope
11/13/2001US6317214 Method and apparatus to determine a measurement of optical multiple path interference
11/13/2001US6317213 Unbalanced fiber optic Michelson interferometer as an optical pick-off
11/08/2001WO2001084620A1 Thickness measuring apparatus, thickness measuring method, and wet etching apparatus and wet etching method utilizing them
11/08/2001WO2001084124A2 Methods and systems using field-based light scattering spectroscopy
11/08/2001CA2377724A1 Methods and systems using field-based light scattering spectroscopy
11/06/2001US6313918 Single-pass and multi-pass interferometery systems having a dynamic beam-steering assembly for measuring distance, angle, and dispersion
11/06/2001US6312373 Method of manufacturing an optical system
11/01/2001WO2001031286A3 Method and device for non-destructive inspection of objects by means of optical holographic interferometry
11/01/2001US20010036002 Grating based phase control optical delay line
11/01/2001US20010035961 Shape measuring apparatus
11/01/2001US20010035959 In-situ mirror characterization
11/01/2001US20010035948 Apparatus for measuring aberration of a lens and an apparatus for adjusting a position of the lens
10/2001
10/31/2001EP1149268A1 Method for improving measurements by laser interferometer
10/25/2001US20010033383 Resonator optics monitoring method
10/24/2001EP1148390A2 Mark independent alignment sensor
10/24/2001EP1147398A1 OPTICAL COHERENCE MICROSCOPE AND METHODS OF USE FOR RAPID $i(IN VIVO) THREE-DIMENSIONAL VISUALIZATION OF BIOLOGICAL FUNCTION
10/24/2001EP0983481B1 Two piece mirror arrangement for interferometrically controlled stage
10/24/2001CN2455554Y Passing-by style wheels positioning inspecting table
10/23/2001US6307634 Method and apparatus for recording three-dimensional distribution of light backscattering potential in transparent and semi-transparent structures
10/20/2001CA2338479A1 Self referencing mark independent alignment sensor
10/18/2001WO2001078261A2 Ofdm modem with an optical processor
10/18/2001WO2001078012A2 Shear inducing beamsplitter for interferometric image processing
10/18/2001WO2001078011A2 An optical transform method and system
10/18/2001WO2001077773A2 Input configuration for shearing processor
10/18/2001WO2001077612A1 Reduced coherence symmetric grazing incidence differential interferometer
10/18/2001US20010030753 Fringe analysis method and apparatus using fourier transform
10/18/2001DE10114757A1 Digitalkamera für ein Mikroskop und Mikroskopsystem mit derartiger Kamera Digital camera for microscope and microscope camera system with such
10/17/2001EP0831312B1 Optical fibre interferometer and optical fibre piezo-electric modulator
10/17/2001CN1317686A Method for measuring time duration of ultrashort laser pulse
10/16/2001US6304330 Methods and apparatus for splitting, imaging, and measuring wavefronts in interferometry
10/16/2001US6304325 Variable shear A. C. interferometer
10/16/2001US6301968 Vibration measurement method and apparatus
10/16/2001CA2085911C Metallographic microscope useful for the characterization of conductors drawing dies
10/11/2001WO2001075395A1 Interferometric measuring device
10/11/2001US20010028679 Phase demodulator, phase difference detector, and interferometric system using the phase difference detector
10/11/2001US20010028462 Interferometer system and method of manufacturing projection optical system using same
10/11/2001US20010028461 Apparatus to transform two nonparallel propagating optical beam components into two orthogonally polarized beam
10/11/2001US20010028391 Digital camera for microscope and microscopic system provided with said camera
10/11/2001DE10115292A1 Refractometer for determination of the refractive index of a gas sample has laser light paths that fulfill the Abbeschen principle that both reference and measurement paths should be linear and so accuracy is increased
10/09/2001US6300639 Process and arrangement for the device configuration of confocal microscopes
10/04/2001WO2001073374A1 Measuring microscope
10/04/2001WO2001073373A1 Method for vibration measurement and interferometer
10/04/2001WO2001072470A1 Process end point detection apparatus and method, polishing apparatus, semiconductor device manufacturing method, and recording medium recorded with signal processing program
10/04/2001US20010026656 Optical interferometer
10/04/2001EP1137908A1 Speckle shearing-interferometer for strain measurement
10/03/2001CN2452005Y Laser interferometer capable of simultaneously measuring thickness refractivity
10/02/2001US6297916 Imaging lens for interferometric device
10/02/2001US6297884 Interferometric instrument provided with an arrangement for producing a frequency shift between two interfering beam components
09/2001
09/27/2001WO2001071277A1 Electrostatically-actuated tunable optical components using entropic materials
09/27/2001WO2001012060A3 Methods for noninvasive analyte sensing
09/27/2001WO2000045153A9 Optical coherence microscope and methods of use for rapid in vivo three-dimensional visualization of biological function
09/27/2001US20010024311 Demodulation and phase estimation of two-dimensional patterns
09/27/2001DE10107330A1 Optisches Interferometer Optical Interferometer
09/27/2001DE10014161A1 Simultaneous testing of two-sided plane faces of disk-shaped elements, involves formation of the real image of a test item via a pair of slanted high-frequency grids
09/26/2001EP1136799A2 Method for processing low coherence interferometric data
09/26/2001EP1135668A1 Dynamic beam steering interferometer
09/26/2001EP1031010A4 Monolithic optical assembly and associated retroreflector with beamsplitter assembly
09/26/2001CN1314601A Objective table of microscope
09/25/2001US6295132 Interferometric measuring device having parallelly-displacing arrangement and compensating grating in the reference path
09/25/2001US6295131 Interference detecting system for use in interferometer
09/18/2001US6290363 Apparatus for reflecting light and changing the length of optical path
09/12/2001EP1092124A4 Method and apparatus for ultrasonic laser testing
09/12/2001CN2447720Y Keratoscope geometric parameter photoelectric measuring instrument
09/11/2001US6288784 Method and apparatus for recording three-dimensional distribution of light backscattering potential in transparent and semi-transparent structures
09/11/2001US6288382 Micro-scanning multislit confocal image acquisition apparatus
09/11/2001CA2240572C System for multiplexed high resolution measurement of frequency variations in multimode fiber laser acoustic sensors
09/06/2001US20010019635 Fringe analysis method using fourier transform
09/06/2001US20010019415 Interferometer having a micromirror
09/06/2001DE19955268C2 Verfahren und Vorrichtung zur interferometrischen Untersuchung streuender Objekte Method and apparatus for interferometric investigation of scattering objects