NASA NTRS · 19760027109
A real-time optical data processing device
Abstract
The design, operation, and structure of the hybrid field effect light valve, a real-time input device for application to coherent optical data processing (CODP), is described. The device consists of a sandwich of thin films that electrically control the optical birefringence of a thin (2 micrometer) liquid crystal layer. It has high resolution (greater than 100 1/mm), contrast ratio (greater than 100:1), speed (10 sec on, 15 sec off) and input sensitivity (about 0.3 ergs/sq cm) in addition to cost and size advantages. Performance data for a laboratory model are presented.
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Jacobson, A., Grinberg, J., Bleha, W., Miller, L., Fraas, L., Myer, G., Boswell, D.. 1975-09-01. A real-time optical data processing device. https://ntrs.nasa.gov/citations/19760027109
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