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Proceedings Paper

Application of exact solution to anchoring energy determination
Author(s): Andrzej Walczak; Edward Nowinowski-Kruszelnicki; Aleksander Kiezun
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Paper Abstract

Optical measurements of the retardation between ordinary and extraordinary wave in the liquid crystalline retarder suggest that an interfacial layer between substrate and liquid crystal (LC) exists. The theoretical model that allows one to describe the presence of such a layer has been constructed and illustrated, for simplicity, in model with neglected elastic anistropy. It turns out to be quite enough to fit an experimental data of phase retardation to obtain values of the pretilt angle and anchoring energy. Experimental results confirm that near threshold voltage value the homogeneous LC layer is deformed in more complicated way that his one describe in one elastic constant model. For higher voltages such a model seems to be proper one because of the LC layer deformation is mostly bend like kind.

Paper Details

Date Published: 1 February 1998
PDF: 4 pages
Proc. SPIE 3318, Liquid Crystals: Physics, Technology, and Applications, (1 February 1998); doi: 10.1117/12.299985
Show Author Affiliations
Andrzej Walczak, Military Univ. of Technology (Poland)
Edward Nowinowski-Kruszelnicki, Military Univ. of Technology (Poland)
Aleksander Kiezun, Military Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 3318:
Liquid Crystals: Physics, Technology, and Applications
Jolanta Rutkowska; Stanislaw J. Klosowicz; Jerzy Zielinski; Jozef Zmija, Editor(s)

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