Photorefractive effect in ferroelectric liquid crystals

被引：27

作者：

Sasaki, Takeo ^{[1
]}

Naka, Yumiko ^{[1
]}

机构：

[1] Tokyo Univ Sci, Fac Sci, Dept Chem, Shinjuku Ku, Tokyo 1628601, Japan

来源：

OPTICAL REVIEW | 2014年 / 21卷 / 02期

基金：

日本科学技术振兴机构;

关键词：

photorefractive effect; organic compounds; ferroelectric liquid crystals; two beam coupling; dynamic hologram; POLYMER;

D O I：

10.1007/s10043-014-0016-y

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we review recent progress of research on the photorefractive effect of ferroelectric liquid crystals. The photorefractive effect is a phenomenon that forms a dynamic hologram in a material. The interference of two laser beams in a photorefractive material establishes a refractive index grating. This phenomenon is applicable to a wide range of devices related to diffraction optics including 3D displays, optical amplification, optical tomography, novelty filters, and phase conjugate wave generators. Ferroelectric liquid crystals are considered as a candidate for practical photorefractive materials. A refractive index grating formation time of 8-10 ms and a large gain coefficient are easily obtained in photorefractive ferroelectric liquid crystals. (C) 2014 The Japan Society of Applied Physics

引用

页码：99 / 109

页数：11

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