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Optically addressed spatial light modulator with a high photosensitivity and intensity adaptation range

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Abstract

An optically addressed spatial light modulator based on a single-crystal silicon Schottky diode array photoreceptor and nematic liquid crystals with a high photosensitivity (better than W/cm2) and input light intensity adaptation range (greater than 3 orders of magnitude) is demonstrated. This photosensitivity and intensity adaptation range is concurrent with a spatial resolution of 25 line pairs/mm, contrast ratios greater than 200:1, and response times less than 10 ms in a wide photosensing wavelength range of 400–1100 nm.

© 1996 Optical Society of America

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