Director turning on isotropic surface due to light-induced torque in a bulk of nematic liquid crystal

Tatyana Marusii; Yuri A. Reznikov; Sergei Slussarenko

doi:10.1117/12.239194

29 April 1996 Director turning on isotropic surface due to light-induced torque in a bulk of nematic liquid crystal

Tatyana Marusii, Yuri A. Reznikov, Sergei Slussarenko

Proceedings Volume 2795, Nonlinear Optics of Liquid and Photorefractive Crystals; (1996) https://doi.org/10.1117/12.239194
Event: Nonlinear Optics of Liquid and Photorefractive Crystals, 1995, Ai-Danil, Crimea, Ukraine

Abstract

The effect of the light-induced surface reorientation of the LC director in a cell filled with an LC-azo dye mixture is obtained. The surface reorientation is caused by LC director reorientation in the bulk, which is initiated by a consequent tans-cis-trans isomerization of azo dye molecules accompanied by a variation of their orientation with respect to the polarization of the exciting light. It is shown that the value and the kinetics of the effect depend on the type of the aligning surface.

Citation Download Citation

Tatyana Marusii, Yuri A. Reznikov, and Sergei Slussarenko "Director turning on isotropic surface due to light-induced torque in a bulk of nematic liquid crystal", Proc. SPIE 2795, Nonlinear Optics of Liquid and Photorefractive Crystals, (29 April 1996); https://doi.org/10.1117/12.239194

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