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Proceedings Paper

Determination of liquid crystal material parameters by composite method
Author(s): Jerzy Kedzierski; Marek Andrzej Kojdecki; Zbigniew Raszewski; Pawel Perkowski; Jolanta Rutkowska; Wiktor Piecek; Ludwika Lipinska; Emilia Miszczyk
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Paper Abstract

The practical applications of the composite method of determination of nematic liquid crystal material parameters (namely the splay and bend elastic constants, the anisotropy of diamagnetic susceptibility and the boundary tilt angle) is presented in the article. The director field value at the nematics cell boundaries is described as a function of the torque transmitted from the deformed bulk, modeling the coupling between the nematics and the substrate. The method is based on approximate solving the coefficient inverse problem. The applied procedure of determination of material parameters may be divided into three stages.

Paper Details

Date Published: 12 May 2000
PDF: 6 pages
Proc. SPIE 4147, Liquid Crystals: Chemistry, Physics, and Applications, (12 May 2000); doi: 10.1117/12.385683
Show Author Affiliations
Jerzy Kedzierski, Military Univ. of Technology (Poland)
Marek Andrzej Kojdecki, Military Univ. of Technology (Poland)
Zbigniew Raszewski, Military Univ. of Technology (Poland)
Pawel Perkowski, Military Univ. of Technology (Poland)
Jolanta Rutkowska, Military Univ. of Technology (Poland)
Wiktor Piecek, Military Univ. of Technology (Poland)
Ludwika Lipinska, Institute of Electronic Materials Technology (Poland)
Emilia Miszczyk, Radom Technical Univ. (Poland)

Published in SPIE Proceedings Vol. 4147:
Liquid Crystals: Chemistry, Physics, and Applications
Stanislaw J. Klosowicz; Jolanta Rutkowska; Jerzy Zielinski; Jozef Zmija, Editor(s)

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