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arXiv · 1409.2152

Instabilities induced by Light in Liquid Crystal Cells with a Photo-Responsive Substrate

T. Tóth-Katona·K. Fodor-Csorba·A. Vajda·I. Jánossy
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Abstract

Instabilities are discussed which take place when a nematic liquid crystal (LC) layer, enclosed between a planar reference plate and a photosensitive substrate, is illuminated with polarized light from the reference side ({\it reverse} geometry). The dependence of the observed effects on the wavelength, polarization direction of the light, and on the thickness of the LC layer is explained by a model based on photoinduced surface torque. The application possibilities of the phenomena are also explored.

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T. Tóth-Katona, K. Fodor-Csorba, A. Vajda, I. Jánossy. 2014-09-07. Instabilities induced by Light in Liquid Crystal Cells with a Photo-Responsive Substrate. https://arxiv.org/abs/1409.2152

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