Apparatus and process for deflecting the direction of light beam

Details Apparatus and process for deflecting the direction of light beam Apparatus and process for deflecting the direction of light beam

1974-11-27

1976-06-22

Lieberman, Eli

G02F 133

Patent

active

039648257

ABSTRACT:
An acousto-optic light deflector for controllably deflecting light beams in an optical system characterized by the deflectors being arranged in a matrix and wherein each deflector has a shape so that a standing sound wave is utilized to form a phase grating therein. Each of the units is provided with a piezoelectric transducer which creates a high frequency ultrasonic standing wave having a frequency between 30 and 200 MHz. The system may include an optical device for focusing all of the beams deflected in the same direction to a single spot on a plane.

REFERENCES:
patent: 2267251 (1941-12-01), Okolicshnyi
patent: 3529263 (1970-09-01), Simmons
patent: 3851951 (1974-12-01), Eveleth

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