Patents
Patents for G01B 9 - Instruments as specified in the subgroups and characterised by the use of optical measuring means (14,810)
01/2011
01/11/2011US7869055 Process control monitors for interferometric modulators
01/11/2011US7869053 High temporal resolution optical sampler and sampling method
01/11/2011US7869051 System and method for ratiometric non-linear coherent imaging
01/11/2011US7869050 Systems and methods for comparative interferogram spectrometry
01/11/2011US7869049 Determining biological tissue optical properties via integrating sphere spatial measurements
01/11/2011US7869017 Test apparatus and test method having a plurality of combinations of object distances
01/06/2011WO2011003013A2 Catheter-based off-axis optical coherence tomography imaging system
01/06/2011WO2011002548A2 Optical comparator with digital gage
01/06/2011WO2011002315A1 Measurement device
01/06/2011US20110001982 Optical imaging apparatus and method
01/06/2011US20110001981 Fiber bragg grating devices utilizing slow light
01/06/2011US20110001980 Optical phase processing in a scattering medium
01/06/2011US20110001973 Optical comparator with digital gage
01/06/2011CA2767017A1 Catheter-based off-axis optical coherence tomography imaging system
01/05/2011EP2270448A1 Method and apparatus for performing optical imaging using frequency-domain interferometry
01/05/2011EP2270447A1 Method and apparatus for performing optical imaging using frequency-domain interferometry
01/05/2011DE102009027456A1 Device for optically measuring fuel injection valve seat in automobile filed, has spherical mirror positioned opposite to plane mirror element so that light reflected by mirror strikes on mirror element and is reflected on conical surface
01/05/2011CN201697608U Three-dimensional phase-shift electronic speckle pattern interference device
01/05/2011CN101936766A Counter, physical quantity sensor, counting method, and physical quantity measuring method
01/05/2011CN101718520B System for quickly measuring surface quality
01/05/2011CN101709956B Optical fiber point diffraction phase shifting interferometry of optical plane surface shape
01/04/2011US7865231 Method and apparatus for determination of atherosclerotic plaque type by measurement of tissue optical properties
01/04/2011US7864340 Wavefront analysis method involving multilateral interferometry with frequency difference
01/04/2011US7864335 Method, apparatus, and program for processing tomographic images, and optical tomography system
01/04/2011US7864332 Differential-phase interferometric system
01/04/2011US7864331 Optical coherence tomographic imaging apparatus
01/04/2011US7864330 Method and device for calibrating a light intensity measurement device
01/04/2011US7864329 Fiber optic sensor system having circulators, Bragg gratings and couplers
01/04/2011US7864327 In-phase/in-quadrature demodulator for spectral information of interference signal
01/04/2011US7864326 Compact gas sensor using high reflectance terahertz mirror and related system and method
01/04/2011US7864325 Interferometer, demodulator, and splitting element
01/04/2011US7863550 Focus detection device and focus detection method based upon center position of gravity information of a pair of light fluxes
12/2010
12/30/2010US20100332171 Counting device, physical quantity sensor, counting method, and physical quantity measuring method
12/30/2010US20100329667 Interferometer, demodulator, and optical fiber communication module
12/30/2010US20100328674 High-resolution surface plasmon microscope with heterodyne interferometry in radial polarization mode
12/29/2010WO2010151885A2 Modular microscope construction
12/29/2010WO2010151221A1 Analysis of ova or embryos with digital holographic imaging
12/29/2010EP2267405A2 Phase-resolved measurement for frequency-shifting interferometry
12/29/2010EP2267404A1 Apparatus and method for performing polarization-based quadrature demodulation in optical coherence tomography
12/29/2010EP2267403A2 System and method for optical coherence tomography
12/29/2010CN1609571B Wavelength monitor
12/29/2010CN101566459B Dual-frequency laser interferometer
12/29/2010CN101476871B Major-minor phase discriminator based subdivision method of dual-frequency laser interferometer
12/29/2010CA2766102A1 Modular microscope construction
12/28/2010US7859682 Optical interference apparatus
12/28/2010US7859681 Pressure transmitter for detection of a variable relative to a process fluid
12/28/2010US7859680 Optical image measurement device
12/28/2010US7859679 System, method and arrangement which can use spectral encoding heterodyne interferometry techniques for imaging
12/23/2010WO2010148277A2 Equal-path interferometer
12/23/2010WO2010146367A1 Fluid sensing, sensor apparatus for fluid sensing, fluid sensing systems and fluid sensing methods
12/23/2010US20100321703 Optical sensor
12/23/2010US20100321702 Compensating for time varying phase changes in interferometric measurements
12/23/2010US20100321701 Two optical media two sectional L-shaped double parallel beams interferometer
12/23/2010US20100321700 Optical coherence tomographic imaging apparatus and optical coherence tomographic imaging method
12/23/2010US20100321699 Systems, computer-implemented methods, and tangible computer-readable storage media for wide-field interferometry
12/22/2010CN201680815U Interference cavity for accurately adjusting optical path and interferometer
12/21/2010US7855788 Spectroscopy method and spectroscope
12/21/2010US7855782 Lens inspection system using phase contrast imaging
12/16/2010WO2010144714A1 Combined raman spectroscopy and optical coherence tomography
12/16/2010WO2010142596A1 Inspection method and apparatus, lithographic appratrus and lithographic cell
12/16/2010WO2009029912A9 Optical linear and rotation displacement sensor
12/16/2010US20100315652 Method and system of adjusting a field of view of an interferometric imaging device
12/16/2010US20100315648 Non-periodic wavefront dividing interferometer
12/16/2010US20100315647 System, Method and Apparatus for a Micromachined Interferometer Using Optical Splitting
12/15/2010CN101918788A Laser interferometer and measuring instrument using the same
12/15/2010CN101916957A Acousto-optic modulation-based 2mu m polarized orthogonal laser emitting system applied to laser heterodyne interferometer
12/15/2010CN101915542A Biaxial MEMS reflective galvanometer and F-Theta lens-based linear scanning system used for laser heterodyne interferometer
12/14/2010US7852491 Human-readable, bi-state environmental sensors based on micro-mechanical membranes
12/14/2010US7852490 Implanting optical cavity structures
12/14/2010US7852487 Heterodyne interferometer device for optically measuring an object
12/14/2010US7852486 Wavelength and intensity monitoring of optical cavity
12/14/2010US7852485 Single trace multi-channel low coherence interferometric sensor
12/14/2010US7852484 Light control unit, optical tomographic imaging method and apparatus
12/14/2010US7852483 Method and system for sensing light using an interferometric element having a coupled temperature sensor
12/09/2010US20100309481 Uncertainty of uncertainty
12/09/2010US20100309480 Optical tomography
12/09/2010US20100309479 Interference measuring device
12/09/2010US20100309477 Method and apparatus for performing optical imaging using frequency-domain interferometry
12/09/2010US20100309476 Linear-carrier phase-mask interferometer
12/09/2010US20100309458 Asphere measurement method and apparatus
12/09/2010US20100309448 Wavefront aberration measurement apparatus, exposure apparatus, and method of manufacturing device
12/08/2010EP2259009A1 Arrangement and method for measuring relative movement
12/08/2010EP2258257A1 Ophthalmic photographing apparatus
12/08/2010CN201666783U White light interferometer with a quick zero-setting system
12/07/2010US7847953 Homodyne laser interferometer probe and displacement measurement system using the same
12/07/2010US7847952 Delayed interferometer enabling a reduction of polarization-dependent frequency shift and demodulator
12/07/2010US7847951 Spectral domain phase microscopy (SDPM) dual mode imaging systems and related methods and computer program products
12/07/2010US7847950 Method and a system for generating three- or two-dimensional images
12/07/2010US7847949 Method and apparatus for optical imaging via spectral encoding
12/02/2010WO2010138927A2 Optical coherence tomography for biological imaging
12/02/2010WO2010138645A2 Blood vessel segmentation with three-dimensional spectral domain optical coherence tomography
12/02/2010WO2010079304A3 Method for measuring at least one geometric characteristic of a planar cross-section to be measured on part
12/02/2010US20100302550 Device and method for the optical measurement of relative distances
12/02/2010US20100302549 Fiber optic interferometric sensor array with increased multiplexing density
12/02/2010US20100302548 Laser-driven optical gyroscope having a non-negligible source coherence length
12/02/2010DE102009022958A1 Vorrichtung und Verfahren zur optischen Messung von Relativabständen Apparatus and method for optical measurement of relative distances
12/02/2010CA2763324A1 Optical coherence tomography for biological imaging
12/01/2010EP2167908B1 Improved interferometer
12/01/2010CN101666628B Measuring apparatus with two spliced shafts for large-caliber convex aspheric surface
11/2010
11/30/2010US7843572 Method and apparatus for optical imaging via spectral encoding
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