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30 May 2001 Ordering of a.c. electric-field-induced domains in dye-doped nematics under photoexcitation
Alexander V. Agashkov, Janusz Parka, Svetlana V. Serak, Tatiana A. Davidovich
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Proceedings Volume 4418, Eighth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals; 441809 (2001) https://doi.org/10.1117/12.428332
Event: Eighth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 2000, Alushta, Crimea, Ukraine
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.
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Alexander V. Agashkov, Janusz Parka, Svetlana V. Serak, and Tatiana A. Davidovich "Ordering of a.c. electric-field-induced domains in dye-doped nematics under photoexcitation", Proc. SPIE 4418, Eighth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 441809 (30 May 2001); https://doi.org/10.1117/12.428332
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KEYWORDS
Diffraction
Helium neon lasers
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