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| Number | Title | Issue Date |
| 3991606 | Apparatus and method for converting mechanical wave energy to optical energy A piezo-optic cell having a nematic liquid crystal film and first and second wedge-shaped plates on opposite surfaces of the film which serve to vary its frequency response along the length of the cell. The cell is illuminated with polarized light and is ... | 11/16/1976 |
| 3988055 | Light optic data handling system The invention includes light optic means for making available a series of arrays of information bearing light beams from a conventional light beam deflector at a series of secondary display positions on a light responsive medium so as to extend the resolu... | 10/26/1976 |
| 3977770 | Tl3 VS4 Tl3 NbS4 crystals and acousto-optical devices Single crystals of Tl3 VS4 and Tl3 NbS4 are disclosed which have useful acousto-optical properties, including low acoustic velocities and high acousto-optical figure of merit. They are used in acousto-optical de... | 08/31/1976 |
| 3962688 | Optical mass data memory An optical memory for storing large amounts of information with a great packing density having writing and reading cycles controlled by a computer. A laser beam provides writing and reading of information on and from, respectively, a rotating memory disk ... | 06/08/1976 |
| 3958863 | Tl3 TaS4 and Tl3 TaSe4 crystals and acousto-optical devices Single crystals of Tl3 TaS4 and Tl3 TaSe4 are disclosed which have useful acousto-optical properties, including low acoustic velocities and high acousto-optical figures of merit. They are used in acousto-optical... | 05/25/1976 |
| 3957350 | Device for displaying a laser beam Described herein is a system for producing scattered monochromatic radiat. The system comprises a planar material having surface irregularities which are brightly illuminated by the use of a laser radiation source directed parallel to the planar surface ... | 05/18/1976 |
| 3947089 | Lead-bismuth glasses for acoustooptic and magnetooptic devices Disclosed are stable, homogeneous GeO2 -B2 O3 -PbO-Bi2 O3 glass compositions having high indices of refraction, low sound velocities, low acoustic loss and high Verdet constants which render them usef... | 03/30/1976 |
| 3941456 | Device for reducing the granulation in the transmission of optical information by means of a highly coherent beam of radiation A device is described for reducing the granulation during the transmission of optical information with a highly coherent radiation beam. The device includes a first objective system, a radiation-diffusing element disposed in the image plane thereof, a sec... | 03/02/1976 |
| 3938881 | Acousto-optic modulation device An acousto-optic modulation device is provided which is comprised of an interaction material of an injection moulded plastic integrally combined with a transducer which is bonded automatically to the interaction material during the injection process. A be... | 02/17/1976 |
| 3931592 | Surface acoustic wave tuned laser Tuning a laser with a piezoelectric crystal having a reflective surface, rein surface acoustic waves (SAW) deform the reflective surface of the crystal to create a diffraction grating.... | 01/06/1976 |
