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Chin. Opt. Lett.
 Home  List of Issues    Issue 06 , Vol. 15 , 2017    10.3788/COL201715.061601

Real-time observation of liquid crystal molecular directions based on a snapshot polarimeter
Jing Ma1, Canhua Xu1, and Yangguang Yao2
1 College of Physics and Information Engineering, [Fuzhou University], Fuzhou 350002, China
2 College of Mathematics and Computer Science, [Fuzhou University], Fuzhou 350002 , China

Chin. Opt. Lett., 2017, 15(06): pp.061601

Keywords(OCIS Code): 160.3710  120.2130  120.2650  

The polarization state of transmitted light is linked to liquid crystal (LC) molecular distribution. The dynamic behavior of a twisted nematic LC molecule is measured with a home-built 10 kHz snapshot polarimeter. Only the transient molecule rotations are observed when the external voltage changes, and the molecules return to their original orientations quickly even when high voltage is applied. Our observations cannot be attributed to the traditional electro-optic effect. The invalidation of the static external field indicates the shielding effect of redistributing impurity ions in an LC cell.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2017/4/10

Get Citation: Jing Ma, Canhua Xu, and Yangguang Yao, "Real-time observation of liquid crystal molecular directions based on a snapshot polarimeter," Chin. Opt. Lett. 15(06), 061601(2017)

Note: This work was supported in part by the National Natural Science Fund of China under Grant No. 61177072.


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