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Electric-field-induced optical rotation in cholesteric liquid crystals

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2 Author(s)

Optical rotation has been induced in thin samples of cholesteric liquid crystals by the application of dc or 60-Hz ac electric fields in the direction of light propagation. A power law dependence of the form R = KExwas found where R is the change in net rotation, E is the rms electric field strength, K is a constant, and x equals approximately 2.3.

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Proceedings of the IEEE  (Volume:56 ,  Issue: 6 )