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Proceedings Paper

Defect formation at the nematic-to-isotropic phase in a liquid crystalline polymer
Author(s): Mohan Srinivasarao; H. Henning Winter; Richard S. Stein
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Paper Abstract

The optical properties of a thin film of a thermotropic liquid crystalline polymer, with one of the surfaces bounded by air and the other bounded by a glycerine surface reveals the presence of integer strength point defects in the material. Formation of point defects at the center of a nematic droplet of the polymer surrounded by its isotropic phase as the material is taken through a biphasic structure is observed and the small-angle light scattering from such a structure is discussed. These observations are used to argue that the material under study is a uniaxial nematic.

Paper Details

Date Published: 13 August 1993
PDF: 11 pages
Proc. SPIE 1911, Liquid Crystal Materials, Devices, and Applications II, (13 August 1993); doi: 10.1117/12.151204
Show Author Affiliations
Mohan Srinivasarao, Univ. of Massachusetts/Amherst (United States)
H. Henning Winter, Univ. of Massachusetts/Amherst (United States)
Richard S. Stein, Univ. of Massachusetts/Amherst (United States)

Published in SPIE Proceedings Vol. 1911:
Liquid Crystal Materials, Devices, and Applications II
Uzi Efron; Michael D. Wand, Editor(s)

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