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Near-infrared-to-visible image conversion using a Si liquid-crystal light valve

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Abstract

A real-time near IR-to-visible image converter using a Hughes silicon liquid-crystal light valve (Si LCLV) has been demonstrated. A 1.06-μm image was converted to a 0.633-μm laser wavelength. The major advantages of this near-IR-to-visible image converter are its high sensitivity, broad bandwidth, coherent- (incoherent-) to-coherent (incoherent) image conversion, up and down wavelength conversion capability, high resolution (>105 resolution elements), room-temperature operation, and high damage threshold.

© 1988 Optical Society of America

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