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Proceedings Paper

Theoretical description of composite method for determination of liquid crystal material parameters
Author(s): Jerzy Kedzierski; Marek Andrzej Kojdecki; Zbigniew Raszewski
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Paper Abstract

The static deformations of a flat nematic liquid crystal cell (modelled as a planar layer infinitely extended in two directions) may be quite precisely described in the frame of the theory proposed subsequently by F.C. Frank, J.L. Ericksen and--in final form--by F.M. Leslie. The deformations are forced by cell boundaries and by external magnetic and electric fields. The quantitative prediction of phenomena is not possible until the nematics material parameters are known; such as the splay and bend elastic constants, the anisotropy of diamagnetic susceptibility, the electric permittivities and the tilt angle of nematics molecules at the boundaries. A stable method for the determination of them is proposed in the work.

Paper Details

Date Published: 12 May 2000
PDF: 6 pages
Proc. SPIE 4147, Liquid Crystals: Chemistry, Physics, and Applications, (12 May 2000); doi: 10.1117/12.385682
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)

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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