| Patents for G01B 9 - Instruments as specified in the subgroups and characterised by the use of optical measuring means (14,810) |
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| 05/06/2004 | US20040085543 Optical imaging system and optical imaging detection method |
| 05/06/2004 | US20040085541 Method for recognizing objects |
| 05/06/2004 | EP1416246A2 Fiber optic Fabry-Perot interferometer and associated methods |
| 05/05/2004 | CN1148575C Semiconductor laser interferometric device for real-time measurement of thickness and refractivity |
| 05/04/2004 | US6731389 Method and apparatus for the elimination of polarization fading in interferometric sensing systems |
| 05/04/2004 | CA2445730A1 Fiber optic fabry-perot interferometer and associated methods |
| 04/29/2004 | WO2004036164A2 System and a method of measuring an optical path difference in a sensing interferometer |
| 04/29/2004 | WO2004013565A3 Fringe pattern discriminator for grazing incidence interferometer |
| 04/29/2004 | WO2003104744A8 Method for obtaining the image of an object, device for carrying out said method and device for delivering low coherent optical radiation |
| 04/29/2004 | WO2003093759A3 Phase gap analysis for scanning interferometry |
| 04/29/2004 | US20040082864 Electronically scanned coherence tomography with frequency modulated signals |
| 04/29/2004 | US20040080754 Interferometer using integrated imaging array and high-density phase-shifting array |
| 04/29/2004 | US20040080753 Heterodyne based optical spectrum analysis with controlled optical attenuation |
| 04/29/2004 | US20040080752 Temperature compensated interferometer |
| 04/29/2004 | US20040080737 Off-axis levelling in lithographic projection apparatus |
| 04/28/2004 | EP1412695A1 Increase of the long-term operational reliability of a fibre optic interferometer by protecting the light source |
| 04/28/2004 | EP1412694A1 Interferometry system and method employing an angular difference in propagation between orthogonally polarized input beam components |
| 04/28/2004 | CN1492212A Digital number reading device for realizing existing visual optical measurer |
| 04/28/2004 | CN1147704C Electronic holographic measurement method without direct transmission light and conjugate image |
| 04/28/2004 | CN1147703C Phase-conjugated interferometer for measuring surface shape of transparent plate |
| 04/28/2004 | CN1147702C All-optical fiber and large range displacement measurer |
| 04/27/2004 | US6728571 Electronically scanned optical coherence tomography with frequency modulated signals |
| 04/27/2004 | US6727992 Method and apparatus to reduce effects of sheared wavefronts on interferometric phase measurements |
| 04/27/2004 | US6726325 Tracking assisted optical coherence tomography |
| 04/22/2004 | WO2004034524A2 Laser system using ultrashort laser pulses |
| 04/22/2004 | WO2004034079A2 Inspection system calibration methods |
| 04/22/2004 | WO2004033988A1 Interferometer (variants) |
| 04/22/2004 | WO2004033987A1 Device for measuring an optical path length difference |
| 04/22/2004 | WO2004033986A1 Interferometer monitoring |
| 04/22/2004 | WO2004032810A2 Method and system for determining the position and alignment of a surface of an object in relation to a laser beam |
| 04/22/2004 | WO2004032722A2 Imaging systems |
| 04/22/2004 | WO2004023219A3 Rapid direct-to-digital holographic acquisition of object off-axis illuminated by several illumination sources |
| 04/22/2004 | WO2004023218A3 Direct-to-digital holographic acquisition of content-based off-axis illuminated object |
| 04/22/2004 | WO2004023217A3 Direct-to-digital off-axis holography with off-axis illuminated object |
| 04/22/2004 | US20040075883 Ultrashort-pulse source with controllable wavelength output |
| 04/22/2004 | US20040075844 Frequency-scanning interferometer with non-specular reference surface |
| 04/22/2004 | US20040075843 Interferometer system of compact configuration |
| 04/22/2004 | US20040075842 Two-wavelength confocal interferometer for measuring multiple surfaces |
| 04/22/2004 | US20040075841 System and method for measuring an optical path difference in a sensing interferometer |
| 04/22/2004 | US20040075840 Optical amplification in coherent optical frequency modulated continuous wave reflectometry |
| 04/22/2004 | US20040075839 Novel high-precision lambdameter operating without optical moving parts |
| 04/22/2004 | US20040075824 Optical flow monitor |
| 04/21/2004 | EP1411341A1 Cantilever array, method of manufacturing the array, and scanning probe microscope, sliding device of guide and rotating mechanism, sensor, homodyne laser interferometer, and laser doppler interferometer with specimen light excitation function, using the array, and cantilever |
| 04/21/2004 | EP1411321A2 Interferometer using an integrated imaging array, a high-density polarizer and a phase-shifting array |
| 04/21/2004 | EP1410008A1 Method and apparatus for using a two-wave mixing ultrasonic detection in rapid scanning applications |
| 04/21/2004 | EP1409956A1 Common element confocal interferometer |
| 04/21/2004 | EP1409955A1 Improved signal processing for passive interferometry |
| 04/21/2004 | CN2612938Y Polarization resistant micro-vibration measurement and non-loss single mode optical fiber interferometer |
| 04/21/2004 | CN2612937Y Long distance scattering object micro-oscillation signal measuring and non-loss pickup interferometer |
| 04/21/2004 | CN1146718C Measuring system for determining pickup height |
| 04/21/2004 | CN1146717C Background compensation for confocal interference microscopy |
| 04/20/2004 | US6725073 Methods for noninvasive analyte sensing |
| 04/20/2004 | US6724488 Interferometer for length measurement |
| 04/20/2004 | US6724487 Apparatus and method for measuring digital imager, package and wafer bow and deviation from flatness |
| 04/20/2004 | US6724486 Helium- Neon laser light source generating two harmonically related, single- frequency wavelengths for use in displacement and dispersion measuring interferometry |
| 04/20/2004 | US6724485 Interferometric measuring device for determining the profile or the pitch of especially rough surfaces |
| 04/20/2004 | US6724483 Method for three-dimensionally, optically measuring measuring objects |
| 04/15/2004 | WO2004031816A2 Laser system |
| 04/15/2004 | WO2004031780A1 Method for measuring the velocity of a fluid or gas flow |
| 04/15/2004 | WO2004031686A1 Laser interferometer for repeatable mounting on the wall of a vacuum chamber |
| 04/15/2004 | WO2002021074A3 Optical amplification in coherence reflectometry |
| 04/15/2004 | US20040070767 Interferometer using integrated imaging array and high-density polarizer array |
| 04/15/2004 | US20040070761 Method and system for determining the alignment of a surface of a material in relation to a laser beam |
| 04/15/2004 | DE19810811B4 Ebenheitsmeß- und Analysierverfahren Ebenheitsmeß- and methods of analysis |
| 04/14/2004 | EP1407308A2 Microscope lens and the use of a microscope lens of this type in a microscope |
| 04/14/2004 | EP1406535A2 Electronically scanned optical coherence tomography with frequency modulated signals |
| 04/14/2004 | CN2611868Y Multi-freedom positioning tool angle measuring microscope |
| 04/14/2004 | CN1145788C Method for measuring time duration of ultrashort laser pulse |
| 04/13/2004 | US6721094 Long working distance interference microscope |
| 04/13/2004 | US6721057 Spatially modulated interferometer and beam shearing device therefor |
| 04/08/2004 | WO2004029544A1 Interferometric measuring device |
| 04/08/2004 | WO2004029543A2 Interferometric measuring device |
| 04/08/2004 | WO2003095941A3 System and method for controlling tube thickness with ultrasound |
| 04/08/2004 | US20040068192 Method and system for quantitative image correction for optical coherence tomography |
| 04/08/2004 | US20040066520 Multi-stage data processing for frequency-scanning interferometer |
| 04/08/2004 | US20040066519 Method of adjusting fixed mirror of double-beam interferometer and interferometric spectrophotometer |
| 04/08/2004 | US20040066518 Self referencing mark independent alignment sensor |
| 04/08/2004 | US20040066516 Inspection system calibration methods |
| 04/08/2004 | DE19718909B4 Vorrichtung und Verfahren für Laser-Rastermikroskopie Apparatus and method for laser scanning microscopy |
| 04/07/2004 | EP1405030A1 Scanning interferometer for aspheric surfaces and wavefronts |
| 04/06/2004 | US6717682 Non-etalon wavelength locking optical sub-assembly and associated methods |
| 04/06/2004 | US6717681 Portable real-time high-resolution digital phase-stepping shearography with integrated excitation mechanisms |
| 04/06/2004 | US6717680 Apparatus and method for phase-shifting interferometry |
| 04/06/2004 | US6717678 Monolithic corrector plate |
| 04/01/2004 | WO2004027686A2 Non-destructive optical imaging system for enhanced lateral resolution |
| 04/01/2004 | WO2004006751A3 Method and device for quantitative image correction for optical coherence tomography |
| 04/01/2004 | WO2003105678A3 Method and apparatus for improving both lateral and axial resolution in ophthalmoscopy |
| 04/01/2004 | WO2003011764A9 Real-time imaging system and method |
| 04/01/2004 | US20040061869 Compensation for errors in off-axis interferometric measurements |
| 04/01/2004 | US20040061867 Method and device for high-speed interferential microscopic imaging of an object |
| 04/01/2004 | US20040061866 Absolute calibration of optical flats |
| 04/01/2004 | US20040061865 Interferometric measuring device |
| 04/01/2004 | US20040061862 Linear positioning apparatus |
| 04/01/2004 | US20040061830 System for measuring the optical image quality of an eye in a contactless manner |
| 03/31/2004 | EP1403614A1 Measurement of the wall thickness of a tube in a mandrel mill by using laser ultrasound technique |
| 03/31/2004 | EP1402244A1 Method and apparatus for improving image clarity and sensitivity in optical coherence tomography using dynamic feedback to control focal properties and coherence gating |
| 03/31/2004 | EP1402228A1 Interferometer system, method for recording an interferogram and method for providing and manufacturing an object with a specified surface |
| 03/31/2004 | EP1232377B1 Method and device for measuring the optical properties of at least two regions located at a distance from one another in a transparent and/or diffuse object |
| 03/31/2004 | CN2608945Y Optical fibre sensing interferometer |
| 03/31/2004 | CN1486444A Method for measuring the microrelief of an object and optical characteristics of near-surface layer, modulation interference microscope for carrying out said method |