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Proceedings Paper

Experimental Studies On Red Shift Of Nematic Liquid Crystals
Author(s): Shin-Tson Wu; Elena Ramos
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Paper Abstract

Ultraviolet (UV) absorption of some nematic liquid crystals (LCs) with different conjugation length was investigated under polar and nonpolar diluted solutions, vapor phase, nematic phase, and isotropic phase. Results of the vapor phase and nonpolar solution are very similar. For nonpolar LC molecules, little red shift is observed. For polar molecules, the icelectron resonant wavelength exhibits a significant red shift in the nematic phase when compared with the results measured in solvents or vapor phase. Short range intermolecular interaction is thought to be responsible for the observed red shift.

Paper Details

Date Published: 25 July 1989
PDF: 6 pages
Proc. SPIE 1080, Liquid Crystal Chemistry, Physics, and Applications, (25 July 1989); doi: 10.1117/12.976421
Show Author Affiliations
Shin-Tson Wu, Hughes Research Laboratories (United States)
Elena Ramos, Hughes Research Laboratories (United States)

Published in SPIE Proceedings Vol. 1080:
Liquid Crystal Chemistry, Physics, and Applications
J. William Doane; Zvi Yaniv, Editor(s)

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