20 August 2009 Non-linear light propagation and bistability in nematic liquid crystals
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Liquid crystals can switch under influence of an electric field or under influence of incident light. In this paper we provide a mathematical description including electrical, optical and elastic torques. Depending on the applied voltage and the incident light, bistability in the director orientation may be possible. Under certain conditions, the sequence of applying incident TM polarized light and a static voltage allows to access different states.
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Jeroen Beeckman, Kristiaan Neyts, Wout De Cort, Abbas Madani, "Non-linear light propagation and bistability in nematic liquid crystals", Proc. SPIE 7414, Liquid Crystals XIII, 74140K (20 August 2009); doi: 10.1117/12.827015; https://doi.org/10.1117/12.827015

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