Azimuthal Anchoring Energy Using the Splay Deformation in a Polarization Grating Configuration

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概要

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• We propose a simple method of measuring the azimuthal anchoring energy of liquid crystals by splay deformation in a binary polarization grating based on the linearly distorted director approximation. Under crossed polarizers, the splay-distorted regions near domain boundaries produce dark stripes whose widths represent distortion lengths, corresponding to the extrapolation lengths. The azimuthal anchoring energy was directly derived from the splay-distortion length. In addition, since the distortion lengths were measured at all domain boundaries, the azimuthal anchoring energy based on the statistical consideration could be estimated for a single sample.

• 2010-06-25

著者

• Yu Chang-Jae

  Department of Electronic Engineering, Hanyang University, Seoul 133-791, Korea

• Chang-Jae Yu

  Department of Electronics and Communications Engineering, Hanyang University, Seoul 133-791, Korea

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