Gap modulator for high speed scanners

Details Gap modulator for high speed scanners Gap modulator for high speed scanners

1983-12-15

1986-03-25

Corbin, John K.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358302, 358206, 355 71, G02F 133, H04N 308

Patent

active

045779333

ABSTRACT:
An acousto-optic modulator for a high speed/high resolution raster output scanner, the modulator have a substrate composed of substantially pure gallium phosphide, with a relatively thin high frequency transducer comprised of a piezo electric layer sandwiched between metal electrodes and employing a conformable adhesive to prevent distortion of the crystal or transducer.

REFERENCES:
patent: 3915556 (1975-10-01), Roland et al.
patent: 3978426 (1976-08-01), Logan et al.
patent: 4054363 (1977-10-01), Suematsu
patent: 4162460 (1979-07-01), Gonda
patent: 4380373 (1983-04-01), Sprague
patent: 4400740 (1983-08-01), Traino et al.
Acousto-Optical Properties of Chalcopyrite Compounds, (Katzka et al.), 1977 Ultrasonics Symposium Proceedings, IEEE Cat. #77CH1264-ISU, p. 436.
Photoelastic Properties of Selected Materials & Their Relevance for Applications to Acoustic Light Modulators and Scanners (Dixon) Journal of Applied Physics, vol. 38, No. 13, Dec. '67.
(TUCC2) Efficient Gap Acousto-Optical Modulators (I. C. Chang et al.), Optical Society of America/IEEE Conference on Lasers & Electro-Optics Systems, Feb. 7, 1978.
Wideband Acousto-Optic Bragg Cells, (I. C. Chang et al.), IEEE Ultrasonics Symposium, 1981.

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