| Patents for G01J 4 - Measuring polarisation of light (3,335) |
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| 07/25/1991 | WO1991010886A1 Sensor for the detection and measurement of the rotation angle of the plane of polarization of light |
| 07/23/1991 | CA1286520C Photodetector arrangement for measuring the state of polarization of light |
| 07/17/1991 | EP0437404A1 Sensor for detection and measuring the rotation angle of the plane of polarization of light |
| 07/16/1991 | US5031993 Detecting polarization state of an optical wavefront |
| 07/09/1991 | US5029990 Detection system for polarized radiation incident with a skewed polarization plane |
| 06/19/1991 | EP0432977A2 Optical device for detecting modulation in a light beam |
| 06/11/1991 | US5022754 Determining the wavelength of optical radiation |
| 05/29/1991 | EP0429219A2 Apparatus for detection of optical wavefront polarization state |
| 04/30/1991 | US5012101 Optical apparatus and method |
| 04/30/1991 | US5011295 Method and apparatus to simultaneously measure emissivities and thermodynamic temperatures of remote objects |
| 04/09/1991 | US5005977 Polarimeter |
| 04/04/1991 | DE3931543A1 Polarimeter arrangement for measuring polarisation plane rotation - has half wave delay plate with electrical rotation of main optical axis |
| 04/04/1991 | DE3931540A1 Optical polarisation analyser - separates input light into measurement beams which are further divided by polarisation beam dividers before intensity is measured |
| 02/26/1991 | US4996416 Optical detection system with means for equalizing ambient light levels at multiple detectors |
| 02/26/1991 | US4995724 Optical spectrum analyzer with high performance measurement function |
| 01/30/1991 | EP0410057A1 Wavelength meter |
| 01/29/1991 | US4988199 Method and apparatus for measuring the concentration of optically active substances |
| 11/27/1990 | US4974219 Polarizing beam splitter using dielectric multilayers |
| 11/07/1990 | EP0396409A2 High resolution ellipsometric apparatus |
| 09/20/1990 | WO1990010852A1 Apparatus and process for performing ellipsometric measurements of surfaces |
| 09/18/1990 | US4957368 Apparatus and process for performing ellipsometric measurements of surfaces |
| 07/31/1990 | CA1272042A1 Photodetector arrangement for measuring the state of polarization of light |
| 04/04/1990 | EP0361064A2 Optical spectrum analyzer with high performance measurement function |
| 03/27/1990 | US4912059 Phase sensitive differential polarimetry technique and apparatus |
| 03/14/1990 | EP0358102A2 Polarimeter |
| 03/14/1990 | EP0358057A2 Drive arrangement for an oscillating polarizer |
| 02/27/1990 | US4904085 Polarimetric fiber optic sensor testing apparatus |
| 02/20/1990 | US4902134 Optical amplifier and method for amplifying optical polarization state change effects |
| 01/30/1990 | CA1264959A1 Static interferometric ellipsometer |
| 01/24/1990 | EP0352133A2 Optical polarimeter |
| 01/24/1990 | EP0351659A2 Method and arrangement for measuring the concentration of optically active substances |
| 12/14/1989 | DE3819307A1 Polarimeter |
| 11/29/1989 | CN1005928B Photoextinction-luminosity compatible elliptic polarizer |
| 11/28/1989 | US4883963 Optical analysis method and apparatus having programmable rapid random wavelength access |
| 11/08/1989 | EP0340995A2 Apparatus and methods for testing optical devices |
| 10/18/1989 | EP0337829A1 Polarization Measuring Device and Method with improved Resulution |
| 10/11/1989 | EP0336603A2 A detector for detecting polarised radiation |
| 10/10/1989 | US4872758 Film thickness-measuring apparatus |
| 10/04/1989 | CN2045485U Horizontal type polarization experimental apparatus |
| 09/26/1989 | CA1260065A1 Method of and apparatus for measuring the transverse moments of the electromagnetic field associated with an optical beam |
| 09/13/1989 | EP0331719A1 Light detector and signal processing circuit |
| 09/13/1989 | EP0195039B1 Measurement arrangement for analysing electromagnetic radiation |
| 08/10/1989 | WO1989007246A1 Optical amplifier and method for amplifying optical polarization state change effects |
| 08/09/1989 | EP0326603A1 Optical detection system |
| 07/13/1989 | WO1989006354A1 Differential ellipsometer |
| 07/05/1989 | EP0322714A2 Polarizing optical element and device using the same |
| 06/27/1989 | US4842404 Dual detector laser beam power monitor |
| 06/06/1989 | US4837603 Method of correcting azimuth angle of photometric ellipsometers |
| 05/30/1989 | US4834539 Spectroscopic ellipsometer |
| 05/23/1989 | US4832492 Heterodyne michelson interferometer for polarization measurements |
| 05/03/1989 | EP0313682A1 Beam-analyzer for optical storage device |
| 05/03/1989 | DE3736092A1 Measuring device for continuously determining the glucose concentration in interstitial liquids |
| 04/18/1989 | US4822169 Measuring assembly for analyzing electromagnetic radiation |
| 04/04/1989 | US4818881 High-sensitivity infrared polarimeter |
| 02/23/1989 | WO1989001612A1 Optical detection system |
| 01/26/1989 | WO1989000767A1 Light detector and signal processing circuit |
| 01/25/1989 | EP0300508A2 Film thickness-measuring apparatus |
| 10/26/1988 | EP0287624A1 Optical apparatus and method |
| 08/09/1988 | US4762418 Angle-of-optical-rotation variation measuring apparatus |
| 08/09/1988 | US4762414 Static interferometric ellipsometer |
| 08/09/1988 | CA1240174A1 Method of and device for real time measurement of the state of polarization of a quasi-monochromatic light beam |
| 07/12/1988 | US4757195 Optical pressure sensor with pedestal mounted photoelastic element |
| 07/05/1988 | US4755665 Light detector and signal processing circuit |
| 06/22/1988 | EP0271934A1 Device for optical heterodyne detection of an optical signal beam and optical transmission system provided with such a device |
| 05/11/1988 | EP0266814A1 Sample holder for a spectroscopic ellipsometer with a high lateral resolution |
| 05/05/1988 | WO1988003266A1 Optical apparatus and method |
| 03/30/1988 | EP0261724A1 Device for optical heterodyne detection of an optical signal beam and an optical transmission system provided with such a device |
| 02/17/1988 | EP0255953A2 Heterodyne Michelson interferometer for polarization measurements |
| 02/16/1988 | US4725145 Photodetector arrangement for measuring the state of polarization of light |
| 01/06/1988 | CN87104793A Photoextinction-luminosity compatible elliptic polarizer |
| 12/23/1987 | EP0250070A1 Optical analysis method and apparatus having programmable rapid random wavelength access |
| 11/07/1987 | CN85205319U Laser divergance angle measuring meter |
| 09/16/1987 | EP0237415A1 Device for spectroscopic ellipsometry using optical fibres |
| 07/21/1987 | US4681450 Photodetector arrangement for measuring the state of polarization of light |
| 06/09/1987 | US4671660 Dual-beam-real-time polarimeter |
| 06/09/1987 | US4671657 Method of and device for realtime measurement of the state of polarization of a quasi-monochromatic light beam |
| 05/05/1987 | US4662744 Method of and apparatus for measuring transverse moments of an electromagnetic field associated with an optical beam |
| 02/03/1987 | US4640615 Liquid refractometer |
| 12/31/1986 | WO1986007631A1 Photodetector arrangement for measuring the state of polarization of light |
| 11/12/1986 | EP0200978A1 Static interferometric ellipsometer |
| 09/24/1986 | EP0195039A1 Measurement arrangement for analysing electromagnetic radiation. |
| 06/18/1986 | EP0184802A2 Method of and aparatus for measuring the transverse moments of the electromagnetic field associated with an optical beam |
| 04/23/1986 | EP0179016A1 Double-beam real time polarimeter |
| 04/10/1986 | WO1986002159A1 Measurement arrangement for analysing electromagnetic radiation |
| 02/26/1986 | EP0172568A2 Method of and device for realtime measurement of the state of polarization of a quasi-monochromatic light beam |
| 10/15/1985 | US4547664 Diffraction grating beam splitter in a laser resonator length control |
| 09/10/1985 | CN85200356U Polarized-light optical measurement with achromatic 1/4 wavelength plate |
| 08/28/1985 | EP0152706A1 Apparatus for telemetry using polarisation |
| 06/12/1985 | EP0144115A2 An ellipsometer |
| 05/14/1985 | US4516855 Method and apparatus for determining the polarization state of a light wave field |
| 03/05/1985 | CA1183364A1 Apparatus and method for measuring optically active materials |
| 01/08/1985 | US4492860 Optical measuring device with means for suppressing reflections |
| 11/23/1984 | EP0112334A4 Rotating polarizer angle sensing system. |
| 09/04/1984 | US4469442 Detecting irregularities in a coating on a substrate |
| 08/21/1984 | US4467204 Polarimeter system |
| 07/04/1984 | EP0112334A1 Rotating polarizer angle sensing system |
| 07/03/1984 | CA1170074A1 Optical measuring device with means for suppressing reflections |
| 05/29/1984 | US4451923 Method of and apparatus for measuring optical frequency variations |
| 01/19/1984 | WO1984000209A1 Rotating polarizer angle sensing system |
| 10/19/1983 | EP0091545A2 Ellipsometers |