Transmissive liquid crystal light-valve for near-infrared applications

被引：23
|
作者：
Bortolozzo, Umberto [1 ]
Residori, Stefania [1 ]
Huignard, Jean-Pierre [2 ]
机构：
[1] Univ Nice Sophia Antipolis, CNRS, INLN, F-06560 Valbonne, France
[2] Jphopto, F-75013 Paris, France
来源：
APPLIED OPTICS | 2013年 / 52卷 / 22期
关键词：
CELLS;
D O I：
10.1364/AO.52.000E73
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An optical valve is realized by associating a nematic liquid crystal layer with a Cr-doped gallium arsenide as a photoconductive substrate. The light-valve is shown to efficiently operate in transmission at 1.06 mu m optical wavelength. The optical phase shift and refractive index change are measured as a function of the incident light intensity and of the voltage applied. Additionally, the light-valve is shown to act as a self-defocusing medium. Combining transmissive properties and nonlinear features, applications for dynamic holography in the near-infrared region of the spectrum can be envisaged. (C) 2013 Optical Society of America
引用
收藏
页码：E73 / E77
页数：5
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