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Proceedings Paper

Self-diffraction of light in twisted nematic liquid crystal
Author(s): Andrzej Miniewicz; A. Januszko; P. Sikorski; Janusz Parka
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Paper Abstract

Self-diffraction of light on transient holographic index gratings has been measured in dye-doped twisted nematic liquid-crystal cells. The mechanism of gratings formation is connected with bulk photoconductivity which results in electric field induced torques causing local director axis reorientations. Time evolution of grating recording, voltage and polarization-configuration dependencies were examined. In the self-diffraction experiments the beam coupling effects were observed.

Paper Details

Date Published: 1 February 1998
PDF: 4 pages
Proc. SPIE 3318, Liquid Crystals: Physics, Technology, and Applications, (1 February 1998); doi: 10.1117/12.300015
Show Author Affiliations
Andrzej Miniewicz, Technical Univ. of Wroclaw (Poland)
A. Januszko, Technical Univ. of Wroclaw (Poland)
P. Sikorski, Technical Univ. of Wroclaw (Poland)
Janusz Parka, Military Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 3318:
Liquid Crystals: Physics, Technology, and Applications

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