| Patents for G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength (4,525) |
|---|
| 08/03/1993 | US5233174 Wavefront sensor having a lenslet array as a null corrector |
| 07/29/1993 | DE4201922A1 Coherence sensitive extinction measurement of coherent electromagnetic radiation - involves coupling electromagnetic measurement beam into fluid phase, passing through measurement zone and evaluating modulation of interference pattern produced with second beam |
| 07/27/1993 | US5231468 Beam shuttering interferometer and method |
| 07/27/1993 | US5231285 Refraction index change measurement |
| 07/22/1993 | WO1993014374A1 Interferometer structure |
| 07/22/1993 | DE4200950A1 Measuring device for wavelengths of narrow-band light source - contains spectral separation device, and measures deflection of components of light with positionally sensitive continuous detector |
| 07/20/1993 | US5229889 Simple adaptive optical system |
| 07/20/1993 | CA1320532C Monitoring and controlling radiation source stability |
| 07/15/1993 | DE4200088A1 Detecting physical chemical biochemical and biological processes - using light irradiated on sample of thin layer of at least partially optically transparent material. |
| 07/13/1993 | US5227911 Monolithic total internal reflection optical resonator |
| 07/08/1993 | WO1993013428A1 Current sensor |
| 07/08/1993 | DE4209672C1 Wavelength measuring device for spectrometry - has sandwich structure of optical waveguides with diffraction gratings of differing constant giving spatial separation of components |
| 07/06/1993 | US5225894 Spectral discrimination using temporal mapping of light pulses through optical filters |
| 06/22/1993 | US5222070 Optical pulse oscillator and light frequency measuring apparatus using the same |
| 06/16/1993 | EP0546811A1 Simple adaptive optical system |
| 06/15/1993 | US5220406 Sample point interferometer having separate rigid body and figure measurement channels |
| 06/15/1993 | US5220403 Apparatus and a method for high numerical aperture microscopic examination of materials |
| 06/10/1993 | WO1993011444A1 Spectral discrimination using temporal mapping of light pulses through optical filters |
| 06/10/1993 | CA2125046A1 Spectral discrimination using temporal mapping of light pulses through optical filters |
| 06/09/1993 | DE4139839A1 Measuring beat frequency variations between two single mode lasers for distance measurement - sweeping wavelength of at least one laser and measuring and evaluating resulting phase angle change |
| 06/08/1993 | US5218426 Highly accurate in-situ determination of the refractivity of an ambient atmosphere |
| 06/08/1993 | US5218421 Wavelength detecting apparatus |
| 05/18/1993 | US5212536 Fresnel lens based spectroscopic detector |
| 05/05/1993 | EP0539571A1 Dynamic shearing interferometer |
| 05/04/1993 | US5208648 Apparatus and a method for high numerical aperture microscopic examination of materials |
| 04/28/1993 | EP0538425A1 Process and device for determining measured quantities by means of an integrated optical sensor module. |
| 04/27/1993 | US5206502 Laser radiation detection system |
| 04/21/1993 | EP0538126A1 Method and device for analysing the wavefront of light |
| 04/20/1993 | US5203339 Method and apparatus for imaging a physical parameter in turbid media using diffuse waves |
| 04/20/1993 | CA1316367C Interferometer for measuring optical phase differences |
| 04/06/1993 | US5200967 Optical frequency deviation measure and control device for laser light |
| 04/06/1993 | US5200795 Passive quadrature phase detection system for coherent fiber optic systems |
| 04/06/1993 | CA1315565C2 Spectroscopy system for atomic vapor laser separation |
| 03/30/1993 | US5198872 Apparatus for detecting the wavelength of laser light |
| 03/30/1993 | US5198653 Wide FOV retro-null outgoing wavefront sensor |
| 03/17/1993 | EP0531354A1 Process for the measurement of the thickness and refractive index of a thin film on a substrate, and a device for carrying out the process. |
| 03/10/1993 | EP0326612B1 Optical notch filter for discriminating against coherent radiation |
| 03/09/1993 | US5192982 Coded-fringe interferometric method and device for wavefront detection in optics |
| 03/04/1993 | DE4128716A1 Interferometric phase measurement device for heterodyne interferometer - uses same wavelength from same source for measuring light path displacement and phase with pull compensation of variable optical path |
| 02/23/1993 | US5189485 Wavelength meter having single mode fiber optics multiplexed inputs |
| 02/16/1993 | US5187672 Phase modulation spectroscopic system |
| 02/10/1993 | EP0333822B1 Optical devices for interferometric measuring systems |
| 02/10/1993 | EP0315663B1 Compact continuous wave wavefront sensor |
| 02/03/1993 | EP0407454B1 Optical measuring apparatus |
| 02/02/1993 | CA1313314C Rotatable shear plate interferometer |
| 01/12/1993 | US5179273 Method for testing or controlling a performance of an adaptive optic |
| 01/12/1993 | US5178990 Method of identifying output, main wavelength, etc., of light |
| 01/07/1993 | WO1993000740A1 Optical frequency counter/synthesizer apparatus |
| 01/07/1993 | WO1993000045A1 Imaging a physical parameter using diffuse waves |
| 01/05/1993 | US5177633 Optical parametric oscillator wideband frequency comb generator |
| 01/05/1993 | US5177566 Interferometer with environment sensitive static etalon |
| 12/30/1992 | EP0520395A1 Optical heterodyne interference apparatus |
| 12/29/1992 | US5174298 Imaging process and system for transillumination with photon frequency marking |
| 12/24/1992 | DE4138222C1 Integrated optical sensor for refractive index measurement esp. of liq. - has Mach-Zehnder interferometer formed from two arms of optical waveguide, and acousto=optical mode converter with continuously variable frequency |
| 12/22/1992 | US5173747 Useful in immunoassay of a fluid |
| 12/08/1992 | US5170224 Laser wavelength measuring device |
| 12/08/1992 | US5170221 Parallel light ray measuring apparatus |
| 12/02/1992 | EP0356443B1 A wavelength-independent interferometer for optical signal processing |
| 12/01/1992 | US5168324 Wavelength meter having elliptical wedge |
| 11/26/1992 | WO1992020991A1 Dynamic shearing interferometer |
| 11/25/1992 | EP0514978A1 Magnetic resonance imaging method and device |
| 11/25/1992 | EP0514579A1 A heterodyne interferometer arrangement |
| 11/24/1992 | US5166508 Optical processor for controlling a deformable mirror |
| 11/22/1992 | WO1992020990A1 Interferometric measuring device in integrated optics |
| 11/22/1992 | CA2102593A1 Interferometric device for determining the characteristics of an integrated optics object |
| 11/19/1992 | DE4115534A1 Opto-electronic appts. for measuring structure edges, e.g. for image evaluation - has opto-electronic receiving surfaces as electrodes with circle-annulus structure forming input and reference capacitances for amplifier |
| 11/17/1992 | US5164578 Two-dimensional OCP wavefront sensor employing one-dimensional optical detection |
| 11/12/1992 | WO1992019976A1 Process and device for determining measured quantities by means of an integrated optical sensor module |
| 11/11/1992 | EP0512918A1 Device for measuring the refractive index of a fluid |
| 11/11/1992 | EP0512450A2 Wavelength variation measuring apparatus |
| 11/08/1992 | CA2068112A1 Measuring instrument of the index of refraction of a fluid |
| 11/05/1992 | DE4114407A1 Determining and fixing wavelength in air of light source - using control loop with many-valued characteristic with defined steps and evaluating thermodynamic parameters to eliminate ambiguity |
| 11/03/1992 | US5160973 System for measuring the refractive index profile of optical components |
| 10/20/1992 | US5157459 Wave front aberration measuring apparatus |
| 10/20/1992 | US5157458 Polarization interferometer spectrometer |
| 10/20/1992 | US5157457 Calorimetric fiber optic chemical sensor |
| 10/20/1992 | CA1308938C Heterodyne michelson interferometer for polarization measurements |
| 10/13/1992 | US5155549 Method and apparatus for determining the physical properties of materials using dynamic light scattering techniques |
| 10/13/1992 | US5155363 Method for direct phase measurement of radiation, particularly light radiation, and apparatus for performing the method |
| 09/29/1992 | US5151585 Coherent radiation detector |
| 09/23/1992 | EP0267228B1 Method and apparatus for reducing the effects of vibrational disturbances on the frequency stability of a laser |
| 09/16/1992 | EP0503236A2 Apparatus and a method for high numerical aperture microscopic examination of materials |
| 09/15/1992 | US5148235 Michelson interferometer for producing optical path differences by rotating corner cube retroreflectors |
| 09/10/1992 | DE4107549A1 Triggering digitisation of interferograms for Michelson interferometers - involves triggering digitiser with pulses satisfying sampling theorem, seeking spectral lines of known wave number for wave number calibration |
| 09/09/1992 | EP0502182A1 Optical immunoassay |
| 09/09/1992 | EP0456637A4 Phase modulated spectrophotometry |
| 09/03/1992 | WO1992014990A1 Sequential demultiplexing receiver for an optical sensor array with spectral modulation coding |
| 08/18/1992 | US5139336 Optical measuring apparatus using amplitude modulation of slipt beams |
| 08/12/1992 | EP0498575A2 Stabilized two color laser diode interferometer |
| 08/12/1992 | CN1063550A Method and apparatus for determining phase difference between two independent coherent lights with bi-grating induced by time delayed laser |
| 08/05/1992 | EP0497696A1 Device to measure the phase shift in an interferometer |
| 08/02/1992 | CA2060238A1 Device for measuring phase differences in an interferometer |
| 07/29/1992 | EP0496662A1 Interferometric device, especially stellar interferometer, with a delay line |
| 07/23/1992 | CA2059084A1 Interferometer device, in particular a stellar interferometer device, incorporating a delay line |
| 07/07/1992 | US5127731 Stabilized two-color laser diode interferometer |
| 06/23/1992 | US5124551 Apparatus for measuring the temporal correlation of fundamental particles |
| 06/23/1992 | US5123744 System and method for detection and identification of laser wavelengths |
| 06/23/1992 | CA1303871C Heterodyne laser instantanteous frequency measurement system |
| 06/17/1992 | EP0490274A2 Optical pulse oscillator and light frequency measuring apparatus using the same |
| 06/16/1992 | US5122974 Phase modulated spectrophotometry |