Sparse multiwall carbon nanotube electrodes arrays for liquid crystal photonic devices

被引:0
|
作者
Wilkinson, T. D. [1 ]
Wang, X. [1 ]
Butt, H. [1 ]
Ranjith, R. [1 ]
Milne, W. I. [1 ]
机构
[1] Univ Cambridge, Dept Elect Engn, Cambridge CB3 0FA, England
来源
CARBON NANOTUBES AND ASSOCIATED DEVICES | 2008年 / 7037卷
关键词
D O I
10.1117/12.801232
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
We present a new photonic micro-optical device based on an array of electrodes made from vertically aligned multiwall carbon nanotubes used to address a liquid crystal cell. The electrodes create a Gaussian electric field profile which is used to reorient a planar aligned nematic liquid crystal. The variation in refractive index within the liquid crystal layer acts like a graded index optical element which can be varied by changing the applied electric field to the carbon nanotube. Results are presented from a device fabricated with a 10um pitch between the micro-optical elements.
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页数:10
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