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13 December 2021 Tracking the sun's direction with a wide-angle metasurface for navigation
Junjie Wang, Fei Zhang, Mingbo Pu, Ling Liu, Shilin Luo, Ping Gao, Xiangang Luo
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Proceedings Volume 12072, 10th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Micro- and Nano-Optics, Catenary Optics, and Subwavelength Electromagnetics; 120720G (2021) https://doi.org/10.1117/12.2604698
Event: Tenth International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2021), 2021, Chengdu, China
Abstract
We report a lightweight metasurface with wide field of view (FOV), which can calculate incident angle by the focus of the sun for navigation. The solar altitude angle and solar azimuth angle for navigation can be resolved with converting the coordinate system to connect the sun with the focus. The designed metasurface overcomes bulky devices and bad weather owing to the fact that the metasurface operates at short-wavelength infrared band (SWIR) that penetrates smoke and fog.
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Junjie Wang, Fei Zhang, Mingbo Pu, Ling Liu, Shilin Luo, Ping Gao, and Xiangang Luo "Tracking the sun's direction with a wide-angle metasurface for navigation", Proc. SPIE 12072, 10th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Micro- and Nano-Optics, Catenary Optics, and Subwavelength Electromagnetics, 120720G (13 December 2021); https://doi.org/10.1117/12.2604698
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KEYWORDS
Sun
Navigation systems
Short wave infrared radiation
Device simulation
Infrared radiation
Imaging systems
Integrated optics
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