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Proceedings Paper

Polarization resolved conoscopic patterns in nematic cells: effects induced by the incident light ellipticity
Author(s): Igor O. Buinyi; Marat S. Soskin; Roman G. Vovk
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Paper Abstract

Topological structure of the polarization resolved conoscopic patterns, calculated theoretically and measured experimentally for nematic liquid crystal (NLC) cells, is described in terms of polarization singularities, saddle points and bifurcation lines. The parametric dynamics of the topological network, induced by the variation of the incident light ellipticity, is analyzed for the nematic cells with uniform and non-uniform director configuration. Different stages of similar dynamics are observed for homeotropically oriented NLC cell. Non-uniform director configuration within the cell results in broken central symmentry in the arrangement of the topological network. Main features of the experimentally obtained polarization resolved conoscopic patterns are the same to the theoretically predicted ones.

Paper Details

Date Published: 22 April 2008
PDF: 10 pages
Proc. SPIE 7008, Eighth International Conference on Correlation Optics, 70080B (22 April 2008); doi: 10.1117/12.796649
Show Author Affiliations
Igor O. Buinyi, Institute of Physics (Ukraine)
Marat S. Soskin, Institute of Physics (Ukraine)
Roman G. Vovk, Institute of Physics (Ukraine)

Published in SPIE Proceedings Vol. 7008:
Eighth International Conference on Correlation Optics
Malgorzata Kujawinska; Oleg V. Angelsky, Editor(s)

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