Orientational photorefractive effects observed in poly(vinyl alcohol) liquid crystal composites

被引：29
|
作者：
Ono, H
Saito, I
Kawatsuki, N
机构：
[1] Nagaoka Univ Technol, Dept Elect Engn, Nagaoka, Niigata 94021, Japan
[2] Himeji Inst Technol, Dept Appl Chem, Himeji, Hyogo 67122, Japan
来源：
APPLIED PHYSICS B-LASERS AND OPTICS | 1998年 / 66卷 / 04期
关键词：
D O I：
10.1007/s003400050429
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We successfully observed orientational photorefractive gratings generated in poly(vinyl alcohol) (PVA)/liquid crystal (LC) composites doped with a fullerene (C-60) as a photoconductive sensitizer under an applied de field. Orientational photorefractivity was demonstrated by observing Raman-Nath diffraction beams with an external de field. The photorefractive gratings were partially memorized even in the absence of the applied dc field.
引用
收藏
页码：527 / 529
页数：3
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