Affiliation:
1. Research Institute for Solid State Physics of the Hungarian Academy of Sciences, H-1525 Budapest, P.O.Box 49, Hungary
Abstract
The photoisomerization of azo dyes in nematic liquid crystals is investigated. Using a pump-probe technique, the absorption coefficients of the trans and cis isomers are evaluated separately and the dye order parameters of both forms are determined. It is shown that as a consequence of the difference of the trans and cis orientational order, the trans-cis equilibrium can be controlled through the polarization direction of the pump beam.
Publisher
World Scientific Pub Co Pte Lt
Subject
Physics and Astronomy (miscellaneous),Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials
Cited by
49 articles.
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