Patents for G01J 4 - Measuring polarisation of light (3,335) |
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08/08/1995 | US5440390 Optical fiber polarimeter |
08/01/1995 | CA2025924C Detecting magnetooptic and intensity-modulated optical signals with the same detector |
07/19/1995 | EP0663590A1 Modulated spectroscopic ellipsometer |
07/05/1995 | EP0661533A1 Method for the polarmetric evaluation of a polarization modulated light signal |
06/30/1995 | CA2138598A1 Method for the polarimetric evaluation of a polarization-modulated light signal |
05/26/1995 | WO1995014243A1 Object detection system |
05/24/1995 | EP0654657A2 System and method for measuring polarization dependent loss |
05/18/1995 | DE4337857A1 Evaluating the rotation of the polarisation plane of a measurement transducer |
05/17/1995 | EP0653621A1 A process for fabricating a device using an ellipsometric technique |
05/16/1995 | US5416324 Optical imaging device with integrated polarizer |
05/10/1995 | EP0652415A1 A device for measuring the thickness of thin films |
05/02/1995 | US5412473 Multiple angle spectroscopic analyzer utilizing interferometric and ellipsometric devices |
04/18/1995 | US5408322 Self aligning in-situ ellipsometer and method of using for process monitoring |
04/18/1995 | US5408321 Apparatus for measurement of specific dichroism of sheet materials |
04/11/1995 | US5406371 Apparatus for measuring birefringence and retardation |
04/11/1995 | CA2076033C Phase sensitive differential polarimetry technique and apparatus |
04/04/1995 | US5404225 Object detector |
03/07/1995 | US5396329 Polarisation image detection systems |
01/26/1995 | WO1995002814A1 Multiple angle spectroscopic analyzer |
01/04/1995 | EP0632256A1 Micropolarimeter, microsensor system and method of characterizing thin films |
12/14/1994 | EP0628802A2 Apparatus for measurement of specific dichroism of sheet materials |
12/13/1994 | US5373359 Adapted to sense characteristics of a sample |
12/06/1994 | US5371597 System and method for measuring polarization dependent loss |
12/01/1994 | DE4319036A1 Stokes analyser |
11/10/1994 | WO1994025823A1 Self aligning in-situ ellipsometer and method of using for process monitoring |
11/10/1994 | CA2159831A1 Self aligning in-situ ellipsometer and method of using for process monitoring |
11/02/1994 | EP0622619A2 Optical signal detection apparatus and method for preventing polarization signal fading in optical fiber interferometric sensor systems |
10/18/1994 | US5357342 Process and apparatus for measuring degree of polarization and angle of major axis of polarized beam of light |
09/07/1994 | EP0233215B1 Photodetector arrangement for measuring the state of polarization of light |
09/06/1994 | US5345308 Object discriminator |
08/10/1994 | EP0563221A4 Method and apparatus for automatic optical inspection |
08/09/1994 | US5337146 Diffraction-grating photopolarimeters and spectrophotopolarimeters |
08/02/1994 | US5335066 Measuring method for ellipsometric parameter and ellipsometer |
07/26/1994 | US5333052 Method and apparatus for automatic optical inspection |
06/09/1994 | WO1994012665A1 Quantitative detection of macromolecules with fluorescent oligonucleotides |
05/31/1994 | US5317150 Polarimeter calibration method and apparatus |
05/18/1994 | EP0597390A1 Birefringence distribution measuring method |
05/11/1994 | WO1994010795A1 Polarization viewer |
05/10/1994 | US5311285 Measuring method for ellipsometric parameter and ellipsometer |
05/10/1994 | US5311283 Fiber optic probe and method for detecting optically active materials |
04/13/1994 | EP0592187A1 Polarimeter re-calibration method and apparatus |
04/13/1994 | EP0592075A1 A polarization detector |
03/29/1994 | US5298973 Phase difference controller and method for controlling phase difference |
03/29/1994 | US5298972 Method and apparatus for measuring polarization sensitivity of optical devices |
03/23/1994 | EP0587708A1 Determination of induced change of polarization state of light |
03/22/1994 | US5296913 Polarimeter re-calibration method and apparatus |
12/23/1993 | DE4219691A1 Measuring device for determining direction of polarisation planes of linearly polarised light - has stepper motor with hollow axle, drive circuit with motor positioning accuracy correction stage, analyser and electro-optical detector |
12/02/1993 | DE4217852A1 Detecting and analysing cell tissue structure in vivo by light polarisation - using laser source, analyser and difference detector in microscope assembly for distinguishing between healthy and pathological tissue for early tumour diagnosis |
11/23/1993 | US5264916 Object detection system |
10/27/1993 | EP0566657A1 Simultaneous multiple angle/multiple wavelength ellipsometer and method |
10/26/1993 | US5257092 Apparatus for measuring polarization and birefringence |
10/14/1993 | DE3820226A1 Polarisation sensor for determining light source eg laser beam - cyclically modulates polarisation of input beam using rotating half-wave plate or Faraday cell and analyses using beam divider and differential amplifier to distinguish signal from background. |
10/06/1993 | EP0563221A1 Method and apparatus for automatic optical inspection |
09/21/1993 | US5247176 Infrared laser polarimeter |
09/08/1993 | EP0558863A1 Infrared ellipsometer |
08/17/1993 | US5237388 Polarized light measuring apparatus and phase plate measuring apparatus |
08/04/1993 | EP0553460A2 Method and apparatus for measuring polarization mode dispersion in optical devices |
07/20/1993 | US5229834 Sensor for detecting and measuring the angle of rotation of a plane of light polarization |
07/20/1993 | CA2034650C Ellipsometric control of material growth |
07/13/1993 | US5227623 Method and apparatus for measuring polarization mode dispersion in optical devices |
06/02/1993 | CN2135145Y Prism polarimeter |
04/14/1993 | EP0536985A1 A polarimeter |
04/14/1993 | EP0536538A2 Method for measuring polarization sensitivity of optical devices |
04/08/1993 | DE4133128A1 Determining optical activity esp. of liq. medium - using optical fibres for stokes parameter determination which are optically contacted with the medium |
03/31/1993 | EP0533678A1 Ellipsometric control of material growth |
03/18/1993 | WO1993005376A1 Fiber optic probe and method for detecting optically active materials |
03/18/1993 | CA2112106A1 Fiber optic probe and method for detecting optically active materials |
12/15/1992 | CA1311367C Optical analysis method and apparatus having programmable rapid random wavelength access |
12/10/1992 | WO1992021949A1 Determination of induced change of polarization state of light |
12/01/1992 | US5168326 Method of detecting angle of optical rotation in solution having time-dependent concentration, detection apparatus therefor, and detector cell therefor |
11/25/1992 | EP0514492A1 Light wave polarization determination using a hybrid system |
11/24/1992 | US5166989 Integrated polarization detection system |
10/20/1992 | CA1308938C Heterodyne michelson interferometer for polarization measurements |
10/15/1992 | DE4210304A1 Birefringence determn. esp. by on=line process - by measuring intensities of several light beams of different polarisation directions and calculating light propagation retardation in sample from measured data etc. |
10/13/1992 | US5155622 Polarizing optical element and device using the same |
10/01/1992 | DE4209537A1 Verfahren und vorrichtung zur messung von polarisiertem licht Method and apparatus for the measurement of polarized light |
08/20/1992 | WO1992009880A3 Method and apparatus for automatic optical inspection |
07/12/1992 | WO1992012404A1 Simultaneous multiple angle/multiple wavelength ellipsometer and method |
07/12/1992 | CA2099491A1 Simultaneous multiple angle/multiple wavelength ellipsometer and method |
06/30/1992 | US5125743 Instrument for measuring solar magnetic fields |
06/23/1992 | US5124828 Device for heterodyne detection of an optical signal and for reducing noise in the signal using polarization control elements |
06/11/1992 | WO1992009880A2 Method and apparatus for automatic optical inspection |
05/20/1992 | EP0486357A1 Light beam deflector comprising a Bragg grating |
05/20/1992 | EP0486265A2 Polarization detection system |
05/06/1992 | EP0483394A1 Method and apparatus to simultaneously measure emissivities and thermodynamic temperature of remote objects |
04/14/1992 | US5105415 Detecting magnetooptic and intensity-modulated optical signals with the same detector |
04/07/1992 | US5102222 Light wave polarization determination using a hybrid system |
03/26/1992 | DE4029928A1 Complete analysis of electromagnetic radiation - using computer-controlled interferometer, with beam modulation via linear displacement of mirrors |
03/25/1992 | EP0477009A1 Polarization measuring apparatus |
02/25/1992 | US5091320 Optical method for controlling thickness of semiconductor |
01/29/1992 | EP0468487A2 Method of detecting angle of optical rotation in solution having time-dependent concentration, detection apparatus therefor, and detector cell therefor |
01/14/1992 | US5081348 Optical polarimeter having four channels |
12/26/1991 | WO1991020093A1 Ellipsometric control of material growth |
12/17/1991 | US5073025 Independent polarization state measurements sensor |
10/29/1991 | US5061072 Differential ellipsometer |
09/10/1991 | US5046850 Driving mechanism for driving an oscillating polarizer |
08/29/1991 | DE4105192A1 Polarimetric testing of surface properties and transparent material - by evaluating difference between reflected s and p polarised components |
08/22/1991 | WO1991012501A1 Light wave polarization determination using a hybrid system |
08/15/1991 | WO1991012314A1 Phase sensitive differential polarimetry technique and apparatus |
07/31/1991 | EP0439127A2 Fast optical polarization meter |