| Patents for G01J 9 - Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength (4,525) |
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| 10/09/1979 | US4170416 Apparatus for analyzing coherent radiation |
| 10/02/1979 | US4169980 Method and apparatus for interference fringe center sensing |
| 09/04/1979 | US4166954 Instrument for determining infrared beam vergence |
| 08/21/1979 | US4165183 Fringe counting interferometric system for high accuracy measurements |
| 07/10/1979 | US4160598 Apparatus for the determination of focused spot size and structure |
| 06/05/1979 | US4157223 Sliding reference interferometer |
| 04/03/1979 | US4147424 Radiation discrimination system |
| 02/27/1979 | US4141652 Sensor system for detecting wavefront distortion in a return beam of light |
| 12/05/1978 | US4128337 Method of and apparatus for interferometric background suppression |
| 07/25/1978 | US4102572 Dual-wavelength coherent optical adaptive systems |
| 04/18/1978 | US4084907 Method and apparatus for determining the wave number of optical spectrum radiation |
| 02/28/1978 | US4076423 Optical coherence measuring device |
| 10/04/1977 | US4052129 Method of and apparatus for measuring the wavelength of a source of radiant energy |
| 08/16/1977 | US4042302 Broadband wavelength discriminator |
| 06/21/1977 | US4030831 Phase detector for optical figure sensing |
| 06/21/1977 | US4030830 Process and apparatus for sensing defects on a smooth surface |
| 06/07/1977 | US4027974 Optical frequency processor |
| 05/24/1977 | US4025195 Addition system |
| 04/05/1977 | US4016415 Adaptive imaging telescope with linear sensing and movable mirror phase shifting |
| 01/18/1977 | US4003658 Triangular interferometric light-source tracker |
| 11/16/1976 | US3992099 Source discriminator for measuring angle of arrival and wavelength of radiant energy |
| 10/19/1976 | US3987298 Photodetector system for determination of the wavelength of incident radiation |
| 09/07/1976 | US3979585 Adaptive imaging telescope with camera-computer transform image quality sensing and electro-optic phase shifting |
| 07/06/1976 | US3967899 Method and apparatus for maintaining far field spatial coherency in electromagnetic transmitting systems |
| 04/13/1976 | US3950103 Method and apparatus to determine spatial distribution of magnitude and phase of electro-magnetic fields especially optical fields |