K. R. Allahverdyan, “Experimental investigation of quenching of defects by external electrical field and its influences on photonic band gap in cholesteric liquid crystals”, Proceedings of the YSU, Physical and Mathematical Sciences, 2012, no. 2, 55

Proceedings of the Yerevan State University, series Physical and Mathematical Sciences

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Proceedings of the Yerevan State University, series Physical and Mathematical Sciences, 2012, Issue 2, Pages 55–61 (Mi uzeru138)

Physics

Experimental investigation of quenching of defects by external electrical field and its influences on photonic band gap in cholesteric liquid crystals

K. R. Allahverdyan^ab

^a Chair of Optics YSU, Armenia
^b COPL , Laval University, Canada

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Abstract: The possibility of forced quenching of defects in cholesteric liquid crystals with negative dielectric anisotropy has been experimentally examined. It was experimentally shown for the first time that under homeotropic boundary condi tions the sharpness of edges of photonic band gap in cholesteric liquid crystals with negative dielectric anisotropy increases in the course of quenching of defects.

Keywords: cholesteric liquid crystal, disclination, defect.

Received: 09.02.2012
Accepted: 15.03.2012

Document Type: Article

Language: English

Citation: K. R. Allahverdyan, “Experimental investigation of quenching of defects by external electrical field and its influences on photonic band gap in cholesteric liquid crystals”, Proceedings of the YSU, Physical and Mathematical Sciences, 2012, no. 2, 55–61

Citation in format AMSBIB

\Bibitem{All12}

\by K.~R.~Allahverdyan

\paper Experimental investigation of quenching of defects by external electrical field and its influences on photonic band gap in cholesteric liquid crystals

\jour Proceedings of the YSU, Physical  and Mathematical Sciences

\yr 2012

\issue 2

\pages 55--61

\mathnet{http://mi.mathnet.ru/uzeru138}

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