| Patents for G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength (4,525) |
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| 01/12/1989 | WO1989000278A1 Imaging process and system for transillumination with photon frequency marking |
| 01/11/1989 | EP0298486A2 Phase difference detecting apparatus |
| 01/04/1989 | EP0297556A2 Emission spectral width measuring apparatus for light source |
| 12/13/1988 | US4791584 Sub-nyquist interferometry |
| 12/13/1988 | US4790656 Dual homodyne detection system to measure asymmetric spectrum by using angle mirrors |
| 12/13/1988 | US4790655 System for measuring laser spectrum |
| 12/06/1988 | US4789240 Wavelength switched passive interferometric sensor system |
| 12/01/1988 | WO1988009488A1 Compact continuous wave wavefront sensor |
| 11/30/1988 | EP0293049A1 A light detecting and light direction determining device |
| 11/22/1988 | US4786175 Rotatable shear plate interferometer |
| 11/17/1988 | EP0291368A2 Method and device to detect the variation of propagation times in a ring interferometer and their application in controlling the wavelenght |
| 11/15/1988 | US4785174 Interferometric thermal detector |
| 11/15/1988 | US4784489 Fiber-optic based remote receiver for laser interferometer systems |
| 11/03/1988 | WO1988008519A1 Two-wavelength interferometry with optical heterodyne process |
| 11/02/1988 | EP0289225A2 A receiver for laser interferometer systems |
| 11/01/1988 | US4781425 Fiber optic apparatus and method for spectrum analysis and filtering |
| 10/25/1988 | US4780605 Coherent light phase detecting focal plane charge-transfer-device |
| 10/25/1988 | US4779984 Method and apparatus for holographic spectrometry |
| 10/25/1988 | US4779643 Fuel control device, fuel control system using the device and method of making the device |
| 10/20/1988 | WO1988008121A1 A wavelength-independent interferometer for optical signal processing |
| 10/12/1988 | EP0286475A1 Method of modification of the reflection coefficient of the extremity of a monomode fibre and fibre interferometer fabricated using such method |
| 10/05/1988 | CN85101620B Tunable self-interelated measurement device for wavelength |
| 09/27/1988 | US4773758 For sensing a time varying quantity |
| 09/14/1988 | EP0281906A2 Interferometer for measuring optical phase-differences |
| 09/13/1988 | US4770535 For remotely sensing environmental effects |
| 08/30/1988 | US4767210 Optical fibre interferometer |
| 08/25/1988 | WO1988006302A1 Variable phase stop for use in interferometers |
| 08/16/1988 | US4764013 Interferometric apparatus and method for detection and characterization of particles using light scattered therefrom |
| 08/16/1988 | US4764009 Means for extending spectral response of spectral analyzing direction indicating apparatus |
| 08/11/1988 | WO1988005903A1 Improvements relating to optical interferometers |
| 08/09/1988 | US4762417 Fringe scanning point diffraction interferometer by polarization |
| 08/09/1988 | US4762416 Monomode optical fiber reciprocal ring interferometer device |
| 08/09/1988 | CA1240174A1 Method of and device for real time measurement of the state of polarization of a quasi-monochromatic light beam |
| 07/26/1988 | US4759628 Wavelength scanning interferometry and interferometer employing laser diode |
| 07/19/1988 | US4758090 Optical wavelength monitor using blazed diffraction grating |
| 06/21/1988 | US4752133 Differential plane mirror interferometer |
| 06/14/1988 | US4750818 For correcting wavefront disturbances to improve image quality |
| 06/07/1988 | US4749851 Method and circuit for determining the wave-length of light |
| 06/01/1988 | DE3640950A1 Optoelectrical evaluation device for a fibre-optic interferometer |
| 05/31/1988 | US4747688 Fiber optic coherence meter |
| 05/18/1988 | EP0267228A1 Method and apparatus for reducing the effects of vibrational disturbances on the frequency stability of a laser. |
| 05/17/1988 | US4744659 Method of and apparatus for measuring the shape of a wavefront |
| 05/17/1988 | US4744658 Wavefront sensor |
| 05/17/1988 | US4744634 Method and apparatus for reducing the effects of vibrational disturbances on the frequency stability of a laser |
| 05/10/1988 | US4743118 Method of detecting origin of shear and measuring amount of shear in shearing interferometer systems |
| 05/10/1988 | US4743114 Fabry-Perot scanning and nutating imaging coherent radiometer |
| 05/03/1988 | US4741620 Irradiative probe system |
| 04/26/1988 | US4740677 Axis separator electronic translator |
| 04/12/1988 | US4737621 Integrated adaptive optical wavefront sensing and compensating system |
| 04/07/1988 | WO1988002474A1 Optical wavelength monitor |
| 04/05/1988 | US4735507 Imaging coherent radiometer |
| 03/30/1988 | EP0261868A2 Method for particle analysis |
| 03/02/1988 | CN85106007B Polarized strip-scanning digital interferometer |
| 02/24/1988 | EP0256314A2 Method and device for the measurement of the concentration of gas in a gaseous mixture |
| 02/24/1988 | EP0256300A2 Imaging coherent radiometer |
| 02/17/1988 | EP0255953A2 Heterodyne Michelson interferometer for polarization measurements |
| 02/16/1988 | US4725141 Interferometers |
| 02/16/1988 | US4725138 Optical wavefront sensing system |
| 02/09/1988 | US4724404 Amplitude-weighting adaptive laser |
| 02/02/1988 | US4722604 Radiation interference devices |
| 01/19/1988 | CA1231568A1 Polarization-maintaining fiber system and method of manufacturing the same |
| 01/13/1988 | EP0252496A2 Fabry-Perot scanning and nutating imaging coherent radiometer |
| 01/12/1988 | US4719343 Phase retarding laser radiation detection system |
| 01/12/1988 | US4718749 Phase-conjugate interferometric coherent image subtraction |
| 01/07/1988 | EP0251632A2 Distributed sensor array and method using a pulsed signal source |
| 12/15/1987 | US4712913 For sensing aberrations |
| 12/09/1987 | EP0248085A1 Shearing phase difference sensor |
| 12/09/1987 | CN86103975A High speed multiple frames interferometer for the transient flow field |
| 12/08/1987 | US4711576 Wave front aberration measuring apparatus |
| 12/01/1987 | US4710001 Support for a moving mirror in an interferometer |
| 11/19/1987 | EP0246004A2 Single-photodiode optical heterodyne mixers |
| 11/17/1987 | US4707137 Device and method for testing the wave front quality of optical components |
| 11/10/1987 | US4706300 Optical heterodyne detection pulse receiving system and method |
| 11/10/1987 | US4705400 Shearing phase difference sensor |
| 11/05/1987 | WO1987006772A1 Method and apparatus for reducing the effects of vibrational disturbances on the frequncy stability of a laser |
| 10/27/1987 | US4702603 Optical phase decoder for interferometers |
| 10/21/1987 | EP0241512A1 A common optical path interferometric gauge. |
| 09/30/1987 | EP0239506A2 Differential plane mirror interferometer |
| 09/29/1987 | US4697284 Single-photodiode optical heterodyne mixers |
| 09/29/1987 | US4696573 Dual shear wavefront sensor |
| 09/17/1987 | DE3643846A1 Arrangement for marking the compensation position in the case of measurements of optical path difference |
| 09/15/1987 | US4693605 Differential plane mirror interferometer |
| 09/12/1987 | CN85204592U 光学相关器 Optical correlator |
| 09/09/1987 | EP0235920A1 Monitoring and controlling radiation source stability |
| 09/09/1987 | EP0235919A1 Frequency locking radiation beams |
| 09/09/1987 | EP0235801A2 Fiber fabry-perot etalon |
| 09/08/1987 | US4692027 Spatial processing for single or dual shear wavefront sensor |
| 09/08/1987 | US4692026 Process and apparatus for continuous determination of the states of anisotropy of optically active materials |
| 09/02/1987 | EP0234744A1 Reducing fluctuations in a radiation beam characteristic |
| 09/01/1987 | US4690562 Gas analysis apparatus and method |
| 09/01/1987 | US4690555 Solid-state wavefront slope determination |
| 08/26/1987 | EP0233748A2 Fiber optic apparatus and method for spectrum analysis and filtering |
| 08/25/1987 | US4688941 Device for analyzing and correcting wavefront surfaces in real time using a polarization interferometer |
| 08/25/1987 | US4688940 Heterodyne interferometer system |
| 08/18/1987 | US4687332 Self-referencing scan-shear interferometer |
| 07/30/1987 | WO1987004572A1 Monitoring and controlling radiation source stability |
| 07/30/1987 | WO1987004571A1 Frequency locking radiation beams |
| 07/30/1987 | WO1987004529A1 Reducing fluctuations in a radiation beam characteristic |
| 07/28/1987 | US4682888 Spectral analyzer and direction indicator |
| 07/21/1987 | US4682025 Active mirror wavefront sensor |