The investigation of the behaviour of polarization of light passing through chiral liquid-crystalline photonic structures

R. Alaverdyan; H. Gharagulyan; H. Grigoryan

doi:10.1117/12.923355

25 January 2012 The investigation of the behaviour of polarization of light passing through chiral liquid-crystalline photonic structures

R. Alaverdyan, H. Gharagulyan, H. Grigoryan

Author Affiliations +

Proceedings Volume 8414, Photonics and Micro- and Nano-structured Materials 2011; 841412 (2012) https://doi.org/10.1117/12.923355
Event: Photonics and Micro- and Nano- structured Materials 2011, 2011, Yerevan, Armenia

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.

Citation Download Citation

R. Alaverdyan, H. Gharagulyan, and H. Grigoryan "The investigation of the behaviour of polarization of light passing through chiral liquid-crystalline photonic structures", Proc. SPIE 8414, Photonics and Micro- and Nano-structured Materials 2011, 841412 (25 January 2012); https://doi.org/10.1117/12.923355

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