Improved high order grating method to realize wide angle beam steering on liquid crystal optical phased array

Liang Wu; Xiangru Wang; Caidong Xiong; Ziqiang Huang; Jing Du; Qinggui Tan; Man Li; Shuanghong Wu; Qi Qiu

doi:10.1117/12.2211226

5 November 2015 Improved high order grating method to realize wide angle beam steering on liquid crystal optical phased array

Liang Wu, Xiangru Wang, Caidong Xiong, Ziqiang Huang, Jing Du, Qinggui Tan, Man Li, Shuanghong Wu, Qi Qiu

Author Affiliations +

Proceedings Volume 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015; 97950P (2015) https://doi.org/10.1117/12.2211226
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held June-July 2015, 2015, Hefei, Suzhou, and Harbin, China

Abstract

To achieve a wider scanning range of liquid crystal optical phased array (LC-OPA), in this paper, a novel method of improved high order grating (i-HOG) is proposed in one device without introducing any other devices. The method of i-HOG breaks through the traditional ideas of modulo 𝟐𝛑 phase and takes the fringe effect into account to have a multi order extension. Subsequently, the method is verified by numerical simulation showing that it realizes a scanning range of wider than 20 degrees and even wider.

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Liang Wu, Xiangru Wang, Caidong Xiong, Ziqiang Huang, Jing Du, Qinggui Tan, Man Li, Shuanghong Wu, and Qi Qiu "Improved high order grating method to realize wide angle beam steering on liquid crystal optical phased array", Proc. SPIE 9795, Selected Papers of the Photoelectronic Technology Committee Conferences held June–July 2015, 97950P (5 November 2015); https://doi.org/10.1117/12.2211226

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