Device to control a light beam in a wide angle field and applica

Details Device to control a light beam in a wide angle field and applica Device to control a light beam in a wide angle field and applica

1988-05-17

1989-06-06

Arnold, Bruce Y.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

350331R, 350358, 455131, G02B 532, G02F 200, G02F 202, H04B 900

Patent

active

048366293

ABSTRACT:
The device to control the direction of a light beam comprises mainly the following elements substantially aligned in the direction of a laser beam emitted by a source: a low-deflection, controlled deflection device; a holographic multiplexer comprising several recorded zones and giving several possible deflections depending on the direction of the beam that it receives;

REFERENCES:
patent: 3703328 (1972-11-01), Glass
patent: 3976873 (1976-08-01), Bottka
patent: 4309602 (1982-01-01), Gonsalves
patent: 4447149 (1984-05-01), Marcus
8032, Electronics vol. 42, No. 11, May 26, 1969, pp. 54-56; "Sounding a light note".
8106, IEEE Journal of Quantum Electronics vol. QE-22, No. 8, Aug. 1986, pp. 1493-1502; T. Tschudi et al.: "Image Amplification by Two-and Four-Wave Mixing in BaTIO.sub.3 Photorefractive Crystals" *p. 1493, col. 2, line 31--p. 1494, col. 1, line 5*.

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