Acoustooptic scanner apparatus and method

Details Acoustooptic scanner apparatus and method Acoustooptic scanner apparatus and method

1981-11-20

1983-08-02

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346108, 350358, 354 5, 365123, B41B 2124

Patent

active

RE0313343

ABSTRACT:
An apparatus and method for laser-beam modulation and deflection wherein stored information is recorded on a photosensitive or other recording medium with a laser or other light beam. A plurality of separate frequencies is induced by a transducer on an acoustooptic light-modulating cell which carries and develops every frequency separately. The light beam is passed through the acoustooptic cell which modulates the light by Bragg reflection in accordance with the frequencies impressed thereon. The modulated light beams transmitted from the cell are used to record by a plurality of simultaneous scans, characters, graphical data or other form of information which is representative of the stored information on the photosensitive medium.

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Baker, Charles E.; Laser Display Technology, IEEE Spectrum, Dec. 1968, pp. 39-50.

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