Optical activity of chiral liquid crystals under different light intensities

Andrey G. Iljin; Gertruda V. Klimusheva; L. P. Yatsenko; L. I. Zagainova

doi:10.1117/12.215524

2 August 1995 Optical activity of chiral liquid crystals under different light intensities

Andrey G. Iljin, Gertruda V. Klimusheva, L. P. Yatsenko, L. I. Zagainova

Proceedings Volume 2372, Liquid Crystals: Materials Science and Applications; (1995) https://doi.org/10.1117/12.215524
Event: Liquid Crystals: Materials Science and Applications, 1994, Zakopane, Poland

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.

Citation Download Citation

Andrey G. Iljin, Gertruda V. Klimusheva, L. P. Yatsenko, and L. I. Zagainova "Optical activity of chiral liquid crystals under different light intensities", Proc. SPIE 2372, Liquid Crystals: Materials Science and Applications, (2 August 1995); https://doi.org/10.1117/12.215524

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