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Proceedings Paper

Free and stimulated orientation of liquid crystals on azobenzene polymer films
Author(s): Oleg V. Yaroshchuk; A. G. Tereshchenko; Ju. Lindau; A. Bohme
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Paper Abstract

The orientation of various types of liquid crystals (LC) on thin films of azobenzene polymers exposed to ultra-violet (UV) light has been investigated. The LC orientation depends on a concentration of azobenzene side-chains linked to a main polymer chain and on a heat treatment. Effects of homeotropic and planar orientations were observed when polymer films were irradiated by unpolarized light. A change of LC orientation types took place when LC was filled at applied electric field.

Paper Details

Date Published: 29 April 1996
PDF: 7 pages
Proc. SPIE 2795, Nonlinear Optics of Liquid and Photorefractive Crystals, (29 April 1996); doi: 10.1117/12.239190
Show Author Affiliations
Oleg V. Yaroshchuk, Institute of Physics (Ukraine)
A. G. Tereshchenko, Institute of Physics (Ukraine)
Ju. Lindau, Martin Luther Univ. (Germany)
A. Bohme, Martin Luther Univ. (Germany)

Published in SPIE Proceedings Vol. 2795:
Nonlinear Optics of Liquid and Photorefractive Crystals
Gertruda V. Klimusheva; Andrey G. Iljin, Editor(s)

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