Lasers, Fiber Optics, and Communications

Steering performance of oblique arriving beam backward propagating through one-dimensional liquid crystal optical phased array

[+] Author Affiliations
Liang Wu

University of Electronic Science and Technology of China, School of Physical Electronics, No. 4, Section 2, Jianshe North Road, Chengdu 610054, China

University of Electronic Science and Technology of China, School of Optoelectronic Information, No. 4, Section 2, Jianshe North Road, Chengdu 610054, China

Xiangru Wang

University of Electronic Science and Technology of China, School of Optoelectronic Information, No. 4, Section 2, Jianshe North Road, Chengdu 610054, China

Science and Technology on Electro-Optical Information Security Control Laboratory, No. 9, Weiwu Road, Airport Economic Zone, Tianjin 300308, China

Caidong Xiong

University of Electronic Science and Technology of China, School of Physical Electronics, No. 4, Section 2, Jianshe North Road, Chengdu 610054, China

Ziqiang Huang

University of Electronic Science and Technology of China, Research Institute of Electronic Science and Technology, No. 4, Section 2, Jianshe North Road, Chengdu 610054, China

Qinggui Tan

National Key Laboratory of Science and Technology on Space Microwave, No. 504 Changan Street, Xi’an 710100, China

Man Li

Science and Technology on Electro-Optical Information Security Control Laboratory, No. 9, Weiwu Road, Airport Economic Zone, Tianjin 300308, China

Opt. Eng. 55(11), 116115 (Nov 30, 2016). doi:10.1117/1.OE.55.11.116115
History: Received July 6, 2016; Accepted November 7, 2016
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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.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Liang Wu ; Xiangru Wang ; Caidong Xiong ; Ziqiang Huang ; Qinggui Tan, et al.
"Steering performance of oblique arriving beam backward propagating through one-dimensional liquid crystal optical phased array", Opt. Eng. 55(11), 116115 (Nov 30, 2016). ; http://dx.doi.org/10.1117/1.OE.55.11.116115


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