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15 November 2018 Circular optical phased array for 360° constant amplitude scanning
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Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 109644Z (2018) https://doi.org/10.1117/12.2506237
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China
Abstract
Optical phased arrays (OPAs) are widely used in many applications to realize high-speed optical beam scanning. At present OPAs often suffer from limited scanning range. Here we propose a circular optical phased array (COPA) based on silicon photonics platform. According to our simulations, by positioning the OPA units in a circle and adopting a specific phase distribution, the COPA can realize 360° constant amplitude scanning. In addition, the design of the disk grating coupler, which is the key device of the COPA, is presented. The COPA is believed to have great potential for applications where a wide scanning range is mandatory.
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Xuecheng Liu, Bing Xiong, Changzheng Sun, Zhibiao Hao, Lai Wang, Jian Wang, Yanjun Han, Hongtao Li, and Yi Luo "Circular optical phased array for 360° constant amplitude scanning", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109644Z (15 November 2018); https://doi.org/10.1117/12.2506237
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