Logo BSU

Please use this identifier to cite or link to this item: https://elib.bsu.by/handle/123456789/211978
Title: Optical switch based on the electrically controlled liquid crystal interface
Authors: Komar, Andrei A.
Tolstik, Alexei L.
Melnikova, Elena A.
Muravsky, Alexander A.
Keywords: ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика
Issue Date: 2015
Publisher: OSA
Citation: Applied Optics Vol. 54, No. 16
Abstract: The peculiarities of the linearly polarized light beam reflection at the interface within the bulk of a nematic liquid crystal (NLC) cell with different orientations of the director are analyzed. Two methods to create the interface are considered. Combination of the planar and homeotropic orientations of the NLC director is realized by means of a spatially structured electrode under the applied voltage. In-plane patterned azimuthal alignment of the NLC director is created by the patterned rubbing alignment technique. All possible orthogonal orientations of the LC director are considered; the configurations for realization of total internal reflection are determined. The revealed relationship between the propagation of optical beams in a liquid crystal material and polarization of laser radiation has enabled realization of the spatial separation for the orthogonally polarized light beams at the interface between two regions of NLC with different director orientations (domains). Owing to variations in the applied voltage and, hence, in the refractive index gradient, the light beam propagation directions may be controlled electrically.
URI: http://elib.bsu.by/handle/123456789/211978
Appears in Collections:Кафедра лазерной физики и спектроскопии (статьи)

Files in This Item:
File Description SizeFormat 
Appl Opt 2015-54-16-5130.pdf1,07 MBAdobe PDFView/Open
Show full item record Google Scholar



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.