Properties of cat-eye modulating retro-reflector and its application with piezoelectric transducer |
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| Authors: | Jing Wang Yafei WangChunming Gao Haiyang Duan |
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| Institution: | School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, People''s Republic of China |
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| Abstract: | Piezoelectric cat-eye modulating retro-reflector (MRR) is the core component of an acousto-optic retro-identification system. The influence of the optical parameters (link distance l, lens focal length f and the detector diameter r) to the cat-eye effect was analyzed theoretically and experimentally. A piezoelectric cat-eye retro-identification (PCERI) system was built, and an information transmission ratio of 2 kHz was achieved which can satisfy an access control system. |
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| Keywords: | Free space optical communication Identification technology Piezoelectric transducer Cat-eye modulating retro-reflector |
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