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Proceedings Paper

Ordering of a.c. electric-field-induced domains in dye-doped nematics under photoexcitation
Author(s): Alexander V. Agashkov; Janusz Parka; Svetlana V. Serak; Tatiana A. Davidovich
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Paper Abstract

Electrohydrodynamic instabilities arising with a.c. electric field applied to planar-oriented cells filled with anthraquinone dye-doped multicomponent nematic mixture have been studied by diffraction methods. It has been found that c.w. He-Ne laser radiation of small power (~1 mW) exerts ordering effect on the LC layer domain structure. The ordered structure can persist in the presence of the same a.c. electric field for a few tens of minutes. The size of periodic optical irregularity has been calculated.

Paper Details

Date Published: 30 May 2001
PDF: 6 pages
Proc. SPIE 4418, Eighth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 441809 (30 May 2001); doi: 10.1117/12.428332
Show Author Affiliations
Alexander V. Agashkov, Institute of Electronics (Belarus)
Janusz Parka, Military Univ. of Technology (Poland)
Svetlana V. Serak, Institute of Electronics (Belarus)
Tatiana A. Davidovich, Institute of Electronics (Belarus)


Published in SPIE Proceedings Vol. 4418:
Eighth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals

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