High accuracy digital acousto-optic matrix computer

Details High accuracy digital acousto-optic matrix computer High accuracy digital acousto-optic matrix computer

1985-02-22

1991-01-22

Arnold, Bruce Y.

Boots, shoes, and leggings

364713, 364841, 364822, G02F 111, G06E 300

Patent

active

049866400

ABSTRACT:
A digital acousto-optic device for performing vector-matrix multiplication. The device comprises two multitransducer acousto-optic cells imaged onto each other. The first cell receives the elements of the input vector in parallel. The second cell receives the elements of sequential row vectors of the matrix in parallel. The data in the two cells act to modulate a light beam passing therethrough. The modulated light beam is detected to produce an output data stream containing the elements of the output vector. The invention uses binary coded data for high accuracy (.about.16-bits).

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Caulfield, H. J., et al., "Optical Implementation of Systolic Array Proceng", Optics Communications, vol. 40, No. 2, Dec. 15, 1981, pp. 86-90.
Athale, R. A., et al., "High Accuracy Matrix Multiplication with Outer Product Optical Processor", Applied Optics, vol. 22, No. 3, Feb. 83, pp. 368-370.
Guilfoyle, P. S., "Systolic Acousto-Optic Binary Convolver," Optical Engineering, vol. 23, No. 1, Jan./Feb. 84, pp. 20-25.
Athale, R., "Optical Matrix Algebraic Processors: A Survey," Proceedings of the 10th International Optical Computing Conference, pp. 24-31, IEEE Cat. No. 83CH1880-4.
Psaltis, D. et al, "Accurate Numerical Computation by Optical Convolution", SPIE vol. 232, 1980, International Optical Computing Conference (1980), pp. 151-156.
Guilfoyle, "Systolic Acousto-Optic Binary Computer (SAOBiC)", Intra paper of GuilTech Research Company, Inc., P.O. Box 61563, Sunnyvale, Calif. 94088.

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