Nematic director slippage: Role of the angular momentum of light

Details Nematic director slippage: Role of the angular momentum of light Nematic director slippage: Role of the angular momentum of light

2002-03-04

arxiv.org/abs/cond-mat/0203065v1

Phys. Rev. E, 63, p. 11701, 2001

Physics

Condensed Matter

Soft Condensed Matter

Scientific paper

10.1103/PhysRevE.63.011701

We propose a theoretical model of the light-induced director slippage effect. In this effect the bulk director reorientation contributes to the surface director reorientation It is found that the director and ellipticity profiles, obtained in the geometric optics approximation, are dependent on the ellipticity of the incident light wave. The director distribution is spatially modulated in linearly polarized light but grows monotonically in circularly polarized light. The surface director deviation has been examined, and comparison made with existing experimental data, which then permits the magnitude of the orientational nonlinearity coefficient to be calculated.

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