Investigation of the surface substrate influence on the peculiarities of 5CB wall-adjacent layers absorption spectra

A. Yu. Popovskij; B. A. Altoiz; Yu. M. Popovskij; V. I. Mikhailenko

doi:10.1117/12.230648

19 January 1996 Investigation of the surface substrate influence on the peculiarities of the absorption spectra of 5CB wall-adjacent layers

A. Yu. Popovskij, B. A. Altoiz, Yu. M. Popovskij, V. I. Mikhailenko

Author Affiliations +

Proceedings Volume 2731, International Liquid Crystal Workshop on Surface Phenomena; (1996) https://doi.org/10.1117/12.230648
Event: International Liquid Crystal Workshop: Surface Phenomena, 1995, St. Petersburg, Russian Federation

Abstract

The influence of the quartz-substrate surface on the orientational arrangement in the NLC wall-adjacent layers in the thickness region that corresponds to the layer with excess (in comparison with the bulk) ordering--l < 0.1 (mu) was studied. The measurements of electronic spectra of the wedge-like 5CB samples with P- and H-orientation in the frequency region 30000 divided by 48000 cm^-1 were carried out. The experimental spectra were decomposed to elementary bands and the thickness dependence of their parameters was discussed.

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A. Yu. Popovskij, B. A. Altoiz, Yu. M. Popovskij, and V. I. Mikhailenko "Investigation of the surface substrate influence on the peculiarities of the absorption spectra of 5CB wall-adjacent layers", Proc. SPIE 2731, International Liquid Crystal Workshop on Surface Phenomena, (19 January 1996); https://doi.org/10.1117/12.230648

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