Spatial light modulators and their applications

Toyohiko Yatagai; Ronglong Tian

doi:10.1117/12.49753

1 November 1991 Spatial light modulators and their applications

Toyohiko Yatagai, Ronglong Tian

Proceedings Volume 1564, Optical Information Processing Systems and Architectures III; (1991) https://doi.org/10.1117/12.49753
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

An optical neural network system using a microchannel plate spatial light modulator (MSLM) and a computer-generated hologram (CGH) displayed on a liquid crystal TV (LCTV) display device are described. In the optical three-layer neural network, the back-propagation learning algorithm is successfully demonstrated with the uniformity of +/- 35% in synaptic connection coefficients in MSLM and the contrast of 20 in neuron output in LCTV, respectively. To make a dynamic optical interconnection and analog optical computing, CGHs are displayed on LCTV. Applications of displaying CGHs, spatial filtering, and moving pictures are performed.

Citation Download Citation

Toyohiko Yatagai and Ronglong Tian "Spatial light modulators and their applications", Proc. SPIE 1564, Optical Information Processing Systems and Architectures III, (1 November 1991); https://doi.org/10.1117/12.49753

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