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Optical Engineering

Steering performance of oblique arriving beam backward propagating through one-dimensional liquid crystal optical phased array
Author(s): Liang Wu; Xiangru Wang; Caidong Xiong; Ziqiang Huang; Qinggui Tan; Man Li
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Paper Abstract

Liquid crystal optical phased array (LC-OPA) has been reported to be one of the promising methods to realize nonmechanical laser beam steering in free-space laser communication. The nonmechanical beam steering mechanism of LC-OPA in a free-space laser communication process is demonstrated. To analyze the steering performance of LC-OPA for a beam arriving from arbitrary directions, a theoretical model based on two-dimensional liquid crystal orient model and backward propagation method is proposed. In addition the phase characteristics are discussed both in normal and oblique incident cases, and a linear relationship between angle-of-arrival and detected incident angle is also derived. All of the theoretical results are verified by the following experiments with a good agreement.

Paper Details

Date Published: 30 November 2016
PDF: 7 pages
Opt. Eng. 55(11) 116115 doi: 10.1117/1.OE.55.11.116115
Published in: Optical Engineering Volume 55, Issue 11
Show Author Affiliations
Liang Wu, Univ. of Electronic Science and Technology of China (China)
Xiangru Wang, Univ. of Electronic Science and Technology of China (China)
Science and Technology on Electro-Optical Information Security Control Lab. (China)
Caidong Xiong, Univ. of Electronic Science and Technology of China (China)
Ziqiang Huang, Univ. of Electronic Science and Technology of China (China)
Qinggui Tan, National Key Lab. of Science and Technology on Space Microwave Technology (China)
Man Li, Science and Technology on Electro-Optical Information Security Control Lab. (China)


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