Light-induced director orientation in nematic cells with complex boundary conditions

Denis Andrienko; Mikhailo F. Lednei; Igor P. Pinkevich

doi:10.1117/12.323724

23 September 1998 Light-induced director orientation in nematic cells with complex boundary conditions

Denis Andrienko, Mikhailo F. Lednei, Igor P. Pinkevich

Proceedings Volume 3488, Nonlinear Optics of Liquid and Photorefractive Crystals II; (1998) https://doi.org/10.1117/12.323724
Event: International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 1997, Partenit, Crimea, Ukraine

Abstract

Nematic cell in the field of light wave with spatially modulated intensity is considered. The influence of periodic spatial modulation of the director anchoring energy and the easy orientation axis at the cell surfaces on the director spatial distribution in the liquid crystal bulk under the action of light is investigated. It is shown that in both cases the director distribution takes the form of a superposition of the cosine gratings with periods that are the linear combinations of the light intensity and boundary condition periods. The diffraction of some gratings is estimated. The Frederiks transition threshold value is calculated for homeotropic cell with periodic modulation of the anchoring energy.

Citation Download Citation

Denis Andrienko, Mikhailo F. Lednei, and Igor P. Pinkevich "Light-induced director orientation in nematic cells with complex boundary conditions", Proc. SPIE 3488, Nonlinear Optics of Liquid and Photorefractive Crystals II, (23 September 1998); https://doi.org/10.1117/12.323724

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