Effects of Evanescent Space-Harmonics on the Transmission Characteristics of a Gaussian Beam by Cylindrical Wire Grids |
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| Authors: | YunFei Liu ShengCai Shi and ShengLin Yu |
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| Institution: | (1) Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, China;(2) Nanjing University of Aeronautics and Astronautics, Nanjing, China;(3) Nanjing Forestry University, Nanjing, China |
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| Abstract: | When electromagnetic waves propagate through a wire grid, there will be some evanescent space harmonics generated around the wire grid. In this paper, we mainly investigate their effects on the transmission characteristics of a Gaussian beam by cylindrical wire grids. The results are compared with those without taking account of evanescent space-harmonics. |
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| Keywords: | Gaussian beam wire grid transmission characteristic evanescent space-harmonics |
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