The photorefractive effect of smectic liquid crystal blends containing small amounts of a chiral compound was investigated. Photorefractive ferroelectric liquid crystal blends, composed of smectic-C liquid crystals, photoconductive chiral compounds and a sensitizer, are known to exhibit a large photorefractive effect. Smectic liquid crystal blends containing various concentrations of a chiral compound while keeping a constant concentration of photoconductive moiety were prepared. The effect of the concentration of the chiral compound on the photorefractive properties of the liquid crystal blend was investigated.
Takeo Sasaki, "Photorefractive effect of smectic-C liquid crystals containing a small amount of chiral compounds," Proc. SPIE 11030, Holography: Advances and Modern Trends VI, 110300M (Presented at SPIE Optics + Optoelectronics: April 03, 2019; Published: 23 April 2019); https://doi.org/10.1117/12.2520413.
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