Theoretical description of composite method for determination of liquid crystal material parameters

Jerzy Kedzierski; Marek Andrzej Kojdecki; Zbigniew Raszewski

doi:10.1117/12.385682

12 May 2000 Theoretical description of composite method for determination of liquid crystal material parameters

Jerzy Kedzierski, Marek Andrzej Kojdecki, Zbigniew Raszewski

Proceedings Volume 4147, Liquid Crystals: Chemistry, Physics, and Applications; (2000) https://doi.org/10.1117/12.385682
Event: XIII International Conference on Liquid Crystals: Chemistry, Physics, and Applications, 1999, Krynica Zdroj, Poland

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.

Citation Download Citation

Jerzy Kedzierski, Marek Andrzej Kojdecki, and Zbigniew Raszewski "Theoretical description of composite method for determination of liquid crystal material parameters", Proc. SPIE 4147, Liquid Crystals: Chemistry, Physics, and Applications, (12 May 2000); https://doi.org/10.1117/12.385682

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