Patents for G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength (4,525) |
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07/08/1987 | EP0228315A1 Reciprocal ring interferometer with a monomode optical fibre |
07/01/1987 | EP0227554A2 Differential plane mirror interferometer |
06/23/1987 | US4674871 Spectral analyzer and direction indicator |
06/18/1987 | WO1987003683A1 Shearing phase difference sensor |
06/16/1987 | EP0225590A2 Method and device for determining variations in thickness or orientation within a web of optically active material |
06/09/1987 | US4671657 Method of and device for realtime measurement of the state of polarization of a quasi-monochromatic light beam |
06/04/1987 | WO1987002785A3 Amplitude-weighting adaptive laser |
06/03/1987 | EP0223855A1 Interference polarization refractometer |
06/02/1987 | US4670646 Laser wavefront measurement device utilizing crossed Ronchi gratings |
05/19/1987 | US4667103 Universal wavefront sensor apparatus |
05/19/1987 | US4666298 Sensing device for ascertaining imaging errors |
05/07/1987 | WO1987002785A2 Amplitude-weighting adaptive laser |
05/07/1987 | WO1987002768A1 Solid-state wavefront slope determination |
04/29/1987 | EP0220046A2 Interferometer |
04/28/1987 | US4660978 Direct slope measurement shearing interferometer |
04/21/1987 | US4659923 Fiber optic interferometer transducer |
03/31/1987 | US4653921 Real-time radial shear interferometer |
03/24/1987 | US4652129 Interferometric detector with fibre-optic sensor |
03/17/1987 | US4650330 Surface condition measurement apparatus |
03/12/1987 | WO1987001438A1 A common optical path interferometric gauge |
03/05/1987 | EP0148853A4 Quadature fiber-optic interferometer matrix. |
03/03/1987 | US4647154 Optical image processor |
02/25/1987 | CN85106007A Polarized strip-scanning digital interferometer |
02/24/1987 | US4645346 Device for analyzing and correcting wavefront surfaces in real time |
02/17/1987 | US4643576 Fringe scanning shearing interferometer |
02/03/1987 | US4640615 Liquid refractometer |
01/20/1987 | US4637725 Self-referencing Mach-Zehnder interferometer |
01/20/1987 | US4637724 Shearing interferometer employing an acousto-optic cell |
01/08/1987 | DE3523382A1 Interference arrangement for testing wavefronts |
01/06/1987 | US4634870 Thermal image dynamic range expander |
01/06/1987 | US4634852 Sensor using fiber optic interferometer |
12/09/1986 | US4627731 Common optical path interferometric gauge |
12/09/1986 | US4627730 Optical scanning microscope |
12/09/1986 | CA1215120A1 Optical heterodyne detection pulse receiving system and method |
12/04/1986 | WO1986007162A1 Spectral analyzer and direction indicator and aircraft landing system application |
12/03/1986 | EP0203682A2 Wavelength switched passive interferometric sensor system |
12/03/1986 | EP0203530A2 Optical wavefront sensing system |
11/25/1986 | US4624569 Real-time diffraction interferometer |
11/25/1986 | US4624566 Spectral analyzer and direction indicator |
11/25/1986 | CA1214556A1 Method of and apparatus for measuring the transverse moments of the electromagnetic field associated with an optical beam |
11/11/1986 | US4622642 Batch interference granulometric process particularly applicable to poly-dispersed biological particles |
11/06/1986 | WO1986006481A1 Interference polarization refractometer |
11/04/1986 | US4620790 System for determining optical aberrations of a telescope optical system |
09/17/1986 | EP0194941A2 Heterodyne interferometer system |
09/16/1986 | CA1211544A1 Light frequency change detecting method and apparatus |
09/10/1986 | EP0193742A2 Wavelength scanning interferometry and interferometer employing laser diode |
08/20/1986 | CN85101620A Tunable self-interelated measurement device for wavelength |
08/12/1986 | US4606067 Device for recognizing far-away electro-magnetically radiating objects |
08/06/1986 | CN85102287A Measure device for minimal optical path difference |
08/05/1986 | US4603941 Polarization-maintaining fiber system and method of manufacturing the same |
08/05/1986 | CA1208930A1 Frequency modulation-polarization spectroscopy method and device for detecting spectral features |
07/15/1986 | US4600307 Coherent radiation detecting apparatus |
07/15/1986 | CA1207551A1 Sensor using fiber optic interferometer |
07/03/1986 | WO1986003844A1 Spectral analyzer and direction indicator |
06/25/1986 | EP0185582A1 Interferometric sensor using optical fibres |
06/17/1986 | US4595292 Apparatus for detecting coherent radiation and unequal path interferometers |
06/17/1986 | CA1206203A1 Optical coherent detector and demodulator |
06/10/1986 | US4594003 Interferometric wavefront measurement |
06/10/1986 | US4594002 Apparatus for analyzing coherent radiation |
04/29/1986 | US4585940 Optical detector |
04/22/1986 | US4583855 Optical phase measuring apparatus |
03/19/1986 | EP0174496A2 Procedure for measuring the radiation wavelength and the wavelength-corrected radiation power of monochromatical light-sources and arrangement for carrying out this procedure |
03/18/1986 | US4577131 Piezoelectric micromotion actuator |
03/11/1986 | US4575248 Wavefront sensor employing novel D.C. shearing interferometer |
03/11/1986 | US4575247 Phase-measuring interferometer |
02/27/1986 | WO1986001301A1 Spectral analyzer and direction indicator |
02/26/1986 | EP0172568A2 Method of and device for realtime measurement of the state of polarization of a quasi-monochromatic light beam |
02/18/1986 | US4571085 Reflectometer based on optical cavity decay time |
02/18/1986 | US4571080 Michelson interferometer with a photorefractive mirror |
02/11/1986 | US4569588 Light frequency change detecting method and apparatus |
01/28/1986 | US4566794 Apparatus for interference fringe shift sensing |
01/21/1986 | US4565449 Method of and apparatus for determining refractive-index profiles of cylindrical transparent bodies |
01/15/1986 | EP0168270A1 Device for analyzing and correcting wavefront surfaces in real time |
01/15/1986 | EP0167601A1 Interferometric diode array spectrometer |
01/10/1986 | CN85100567A Method for measuring the frequency stability of laser beam |
01/08/1986 | EP0167410A2 Optical scanning microscope |
12/27/1985 | EP0165816A2 Gas analysis apparatus and method |
12/18/1985 | EP0165173A2 Device for analyzing and correcting wavefront surfaces in real time using a polarization interferometer |
12/17/1985 | US4558952 Method for measuring an optical length of light path and a laser interferometer for carrying same into effect |
12/17/1985 | US4558948 Process and apparatus for measuring wave surface distortions introduced by an optical system |
11/19/1985 | US4553841 Method of and apparatus for measuring thickness and refractive index of transparent bodies |
11/19/1985 | US4553839 Frequency marking systems |
11/06/1985 | EP0160352A2 Dual homodyne detection system to measure asymmetric spectrum by using angle mirrors |
10/29/1985 | CA1195858A1 Method of and apparatus for measuring the thickness and the refractive index of transparent materials |
10/16/1985 | EP0158505A2 Active mirror wavefront sensor |
10/16/1985 | EP0158172A2 Testing of arbitrary optical surfaces |
09/17/1985 | US4541720 Apparatus for phase symmetrizing optical wave fronts |
08/27/1985 | CA1192653A1 Echometry device and method |
08/20/1985 | US4536089 Analyzer for coherent radiation |
07/24/1985 | EP0148853A1 Quadature fiber-optic interferometer matrix. |
07/18/1985 | WO1985003122A1 Interferometric diode array spectrometer |
07/10/1985 | EP0147534A1 Micromotion actuator |
06/26/1985 | EP0145936A2 Method of and apparatus for measuring the transverse moments of the electromagnetic field associated with an optical beam |
06/19/1985 | EP0144510A1 Interferometric wavefront measurement |
06/19/1985 | EP0144509A2 Fiber optic interferometer transducer |
06/18/1985 | US4523847 Frequency modulation-polarization spectroscopy method and device for detecting spectral features |
06/18/1985 | US4523846 Integrated optics in an electrically scanned imaging Fourier transform spectrometer |
05/21/1985 | US4518854 Combined shearing interferometer and Hartmann wavefront sensor |
05/07/1985 | US4515478 Coherent light detecting system including passive averaging network |
05/07/1985 | US4515430 Integrated optical transducers |