Fluorescence of guest molecules in a scattering state of a liquid crystal
作者:
A. Hochbaum,
L. J. Yu,
M. M. Labes,
期刊:
Journal of Applied Physics
(AIP Available online 1980)
卷期:
Volume 51,
issue 2
页码: 867-872
ISSN:0021-8979
年代: 1980
DOI:10.1063/1.327660
出版商: AIP
数据来源: AIP
摘要:
Fluorescence emission of guest molecules in cholesteric liquid crystal hosts was modulated by an electric‐field‐induced cholesteric‐nematic transition. The contrast ratio between the two states can be greater than 15, and is affected primarily by the scattering properties of the phase and the order parameter of the guest. Data are presented on the dependence of the contrast ratio on the cell parameters and the structure of both guest and host. A simple model is presented accounting for the observed behavior.
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