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Device technology

Photovoltaic optically addressed spatial light modulator

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Pages 101-112 | Published online: 10 Feb 2011
 

Abstract

We present the physical structure of and experimental results on a photovoltaic optically addressed spatial light modulator. The device is composed of a photosensor with a stack of four p - i - n photodiodes and a ferroelectric liquid crystal light modulator. The spatial resolution is 20 lp/mm 2 and the ON/OFF contrast ratio is 10:1. An optical novelty filtering system using this device is also presented.

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