Photorefractive Effect of Photoconductive-Polymer-Stabilized Ferroelectric Liquid Crystals

The photorefractive effect of photoconductive-polymer-stabilized ferroelectric liquid crystals (FLCs) was investigated. A photoconductive acrylate monomer and an electron acceptor compound were mixed with an FLC, and the mixtures were photopolymerized in the ferroelectric phase. A photoconductive po...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2009-06, Vol.503 (1), p.81-98
Main Authors: Sasaki, Takeo, Hazato, Hirotada, Katsuragi, Atsushi, Nakazawa, Yukihito
Format: Article
Language:English
Subjects:
Chemical compounds
Electron transfer
ferroelectric liquid crystals
Ferroelectrics
Liquid crystal polymers
optical hysteresis
Optics
photorefractive effect
polymer stabilization
Polymerization
two-beam coupling
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Summary:The photorefractive effect of photoconductive-polymer-stabilized ferroelectric liquid crystals (FLCs) was investigated. A photoconductive acrylate monomer and an electron acceptor compound were mixed with an FLC, and the mixtures were photopolymerized in the ferroelectric phase. A photoconductive polymer network was formed in the FLC medium, and a polymer-stabilized FLC was obtained. The photorefractive effect was evaluated by a two-beam coupling experiment. A large gain coefficient was obtained in the polymer-stabilized FLCs.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421400902841361