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Proceedings Paper

Optical activity of chiral liquid crystals under different light intensities
Author(s): Andrey G. Iljin; Gertruda V. Klimusheva; L. P. Yatsenko; L. I. Zagainova
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Paper Abstract

Rotation of the light polarization plane in both pure and dye-doped chiral liquid crystals (CLC) was investigated close to the CLC selective reflection region. Spectral dependences of the angle of the polarization plane rotation and circular dichroism were obtained for a number of CLC-compounds. Selection of an appropriate dye-stuff and liquid crystal compound allows to design electrically controlled two-color filter with good color alliance and contrast. Gyrotropy of dye-doped CLC was studied using Nd-laser radiation with varying light intensity. Under the light intensities above 250 kW/sq. cm a polarization nonlinearity was observed as a variation of polarization plane rotation of the light passes through the cell.

Paper Details

Date Published: 2 August 1995
PDF: 4 pages
Proc. SPIE 2372, Liquid Crystals: Materials Science and Applications, (2 August 1995);
Show Author Affiliations
Andrey G. Iljin, Institute of Physics (Ukraine)
Gertruda V. Klimusheva, Institute of Physics (Ukraine)
L. P. Yatsenko, Institute of Physics (Ukraine)
L. I. Zagainova, Institute of Physics (Ukraine)

Published in SPIE Proceedings Vol. 2372:
Liquid Crystals: Materials Science and Applications
Jozef Zmija, Editor(s)

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