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Synthesis and reconstruction of computer generated holograms by a double pass technique on a twisted nematic-based liquid crystal spatial light modulator

By Sasidhar Chavali, Philip M Birch, Rupert Young and Chris Chatwin


Achieving phase only modulation from a spatial light modulator (SLM) is useful for many optical processing tasks. In this paper, we demonstrate a simple method of decoupling phase and amplitude modulation in a twisted nematic liquid crystal (TNLC) SLM using a double pass technique. A Jones calculus model is developed which matches our experimental data

Year: 2007
DOI identifier: 10.1016/j.optlaseng.2006.07.003
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