Optical deflection scanning device

Details Optical deflection scanning device Optical deflection scanning device

1995-12-28

1998-01-06

Healy, Brian

Optical waveguides

Directional optical modulation within an optical waveguide

Acousto-optic

385 4, 385 10, 385 14, 385 39, 385129, 385130, G02F 1335

Patent

active

057063702

ABSTRACT:
An optical deflection scanning device has a transducer, a waveguide medium for unidirectionally propagating an elastic wave based on the oscillation of the transducer. The light emitted from a light source is incident to the waveguide medium in a direction opposite the group velocity of the elastic wave in the waveguide medium. The incident light and elastic wave interact, and the incident light is deflected within the same plane as the waveguide medium in conjunction with elastic wave travel.

REFERENCES:
patent: 4735476 (1988-04-01), Heffner et al.
patent: 4973121 (1990-11-01), Brophy et al.
patent: 5150437 (1992-09-01), Gfeller
patent: 5157543 (1992-10-01), Fukuzawa et al.
patent: 5329397 (1994-07-01), Chang
Tsai, Chen S., "Guided-Wave Acoustooptic Bragg Modulators for Wide-Band Integrated Optic Communications and Signal Processing", IEEE Transactions on Circuits and Systems, vol. CAS-26, No. 12, pp. 1072-1098, Dec. 1979.

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