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Proceedings Paper

The investigation of the behaviour of polarization of light passing through chiral liquid-crystalline photonic structures
Author(s): R. Alaverdyan; H. Gharagulyan; H. Grigoryan
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Paper Abstract

The possibility of defects induction controlled by external electric field was experimentally demonstrated in the cholesteric liquid-crystalline films with selective reflection in visible range of light. It was verified that due to the induced defect it is possible to control the rotation of polarization plane of light propagating through liquid-crystalline structure. The investigation of three types of defects induced near the input substrate, in the centre and near the exit substrate of the film was done. The basic result of the experiment is that the maximum value of the polarization plane rotation was observed when light after propagating through chiral liquid-crystalline photonic structure passes through the anisotropic defect layer.

Paper Details

Date Published: 25 January 2012
PDF: 6 pages
Proc. SPIE 8414, Photonics and Micro- and Nano-structured Materials 2011, 841412 (25 January 2012); doi: 10.1117/12.923355
Show Author Affiliations
R. Alaverdyan, Yerevan State Univ. (Armenia)
H. Gharagulyan, Yerevan State Univ. (Armenia)
H. Grigoryan, Yerevan State Univ. (Armenia)

Published in SPIE Proceedings Vol. 8414:
Photonics and Micro- and Nano-structured Materials 2011
Rafael Kh. Drampyan, Editor(s)

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