Pixelated liquid-crystal light valve for neural network application.

Collings, N and Pourzand, AR and Vladimirov, FL and Pletneva, NI and Chaika, AN (1999) Pixelated liquid-crystal light valve for neural network application. Appl Opt, 38. pp. 6184-6189. ISSN 0003-6935

Abstract

The liquid-crystal light valve (LCLV) is a useful component for performing integration, thresholding, and gain functions in optical neural networks. Integration of the neural activation channels is implemented by pixelation of the LCLV, with use of a structured metallic layer between the photoconductor and the liquid-crystal layer. Measurements are presented for this type of valve, examples of which were prepared for two specific neural network implementations. The valve fabrication and measurement were carried out at the State Optical Institute, St. Petersburg, Russia, and the modeling and system applications were investigated at the Institute of Microtechnology, Neuchâtel, Switzerland.

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