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Optical Engineering

Photoemitter Membrane Light Modulator
Author(s): Arthur D. Fisher; Lai-Chang Ling; John N. Lee; Robert C. Fukuda
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Paper Abstract

A potentially high-performance, optically addressed spatial light modulator, called the photoemitter membrane light modulator (PEMLM), is being developed. The structure, operational theory, performance objectives and limitations, and experimentally observed performance of this device are discussed. A grid structure incorporated into the PEMLM is shown to significantly enhance the active removal of electrons from the membrane by secondary emission. The PEMLM offers the potential for framing rates in excess of 1 kHz, 50 1p/mm resolution, storage times of days, sensitivities of less than 1 nJ/cmz, and an intrinsic ability to perform such image processing operations as thresholding, contrast modification, image addition and subtraction, binary logic, and optical synchronous detection.

Paper Details

Date Published: 1 February 1986
PDF: 8 pages
Opt. Eng. 25(2) 252261 doi: 10.1117/12.7973813
Published in: Optical Engineering Volume 25, Issue 2
Show Author Affiliations
Arthur D. Fisher, Naval Research Laboratory (United States)
Lai-Chang Ling, University of Arizona (United States)
John N. Lee, Naval Research Laboratory (United States)
Robert C. Fukuda, Sachs/Freeman Associates, Inc. (United States)

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