Free and stimulated orientation of liquid crystals on azobenzene polymer films

Oleg V. Yaroshchuk; A. G. Tereshchenko; Ju. Lindau; A. Bohme

doi:10.1117/12.239190

29 April 1996 Free and stimulated orientation of liquid crystals on azobenzene polymer films

Oleg V. Yaroshchuk, A. G. Tereshchenko, Ju. Lindau, A. Bohme

Proceedings Volume 2795, Nonlinear Optics of Liquid and Photorefractive Crystals; (1996) https://doi.org/10.1117/12.239190
Event: Nonlinear Optics of Liquid and Photorefractive Crystals, 1995, Ai-Danil, Crimea, Ukraine

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.

Citation Download Citation

Oleg V. Yaroshchuk, A. G. Tereshchenko, Ju. Lindau, and A. Bohme "Free and stimulated orientation of liquid crystals on azobenzene polymer films", Proc. SPIE 2795, Nonlinear Optics of Liquid and Photorefractive Crystals, (29 April 1996); https://doi.org/10.1117/12.239190

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