Electrically switchable, polarization-independent diffraction grating based on negative dielectric anisotropy liquid crystal

被引：9
|
作者：
Zhu, Minhua [1 ]
Carbone, Giovanni [1 ]
Rosenblatt, Charles [1 ]
机构：
[1] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA
来源：
APPLIED PHYSICS LETTERS | 2006年 / 88卷 / 25期
关键词：
D O I：
10.1063/1.2216429
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An atomic force microscope is used to scribe polymer-coated substrates to create an electrically controlled liquid crystal-based polarization grating. The grating is nondiffracting in the voltage-off state and diffracting in the voltage-on state. Based upon an optical phase difference of approximately pi between adjacent pixels, the grating's efficiency is independent of optical polarization and can be prepared for diffraction in either one or two dimensions. (c) 2006 American Institute of Physics.
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页数：3
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