Optically controlled transmission of porous polyethylene terephthalate films filled with nematic liquid crystal

被引：12
|
作者：
Semerenko, Denis [1 ,2 ]
Shmeliova, Dina [1 ]
Pasechnik, Sergey [1 ,2 ]
Murauskii, Anatolii [2 ]
Tsvetkov, Valentin [1 ]
Chigrinov, Vladimir [2 ]
机构：
[1] Moscow State Univ Instrument Engn & Comp Sci, Problem Lab Mol Acoust, Moscow 107996, Russia
[2] Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, Kowloon, Hong Kong, Peoples R China
来源：
OPTICS LETTERS | 2010年 / 35卷 / 13期
关键词：
ELECTROOPTICAL PROPERTIES; WAVE-GUIDE; TM MODES; TECHNOLOGY; MEMBRANE; FIBERS;
D O I：
10.1364/OL.35.002155
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigated the influence of blue light (lambda = 450 nm) on the optical properties of porous polyethylene terephthalate (PET) films filled with a nematic liquid crystal (E7). In experiments, films of 12 mu m thickness with randomly distributed open-end pores of well-defined diameters (170, 400, 850 nm) were studied. It was found that blue-light illumination of the porous PET films preliminarily treated by an azo dye solution resulted in strong intensity changes when the He-Ne laser beam passed through the sample. The observed effect can be attributed to the heating caused by the absorption of blue light by azo dye molecules. (C) 2010 Optical Society of America
引用
收藏
页码：2155 / 2157
页数：3
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