ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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A novel receiver-transmitter metasurface for a high-aperture-efficiency Fabry-Perot resonator antenna |
Peng Xie(谢鹏), Guangming Wang(王光明)†, Binfeng Zong(宗彬锋), and Xiaojun Zou(邹晓鋆) |
Air and Missile Defense College, Air Force Engineering University, Xi'an 710051, China |
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Abstract This paper presents a novel coupled receiver-transmitter metasurface (MS) which is used to realize a high-aperture-efficiency Fabry-Perot resonator antenna. The unit cell of the MS adopts a slot-coupling procedure to realize energy transmission from the receiver patch to the radiator patch. This approach makes it easier to independently control the transmission magnitude and phase. Based on this characteristic, the transmission coefficients of different unit cells on the MS can be optimized by a genetic algorithm. Then, nearly uniform electric amplitude and phase distribution across the aperture field of the antenna are achieved. Therefore, the gain and aperture efficiency of the antenna are improved. A prototype of the optimized antenna is fabricated and measured to validate the design. The measured gain of the fabricated antenna reaches 17.3 dBi with an aperture efficiency of 94.5%. A higher aperture efficiency is obtained with the proposed antenna which has a low profile and simple structure.
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Received: 20 February 2021
Revised: 07 April 2021
Accepted manuscript online: 03 June 2021
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PACS:
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41.20.Jb
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(Electromagnetic wave propagation; radiowave propagation)
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73.20.Mf
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(Collective excitations (including excitons, polarons, plasmons and other charge-density excitations))
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 61871394) and Natural Science Foundation of Shanxi Province, China (Grant No. 2020JQ-482). |
Corresponding Authors:
Guangming Wang
E-mail: wgming01@sina.com
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Cite this article:
Peng Xie(谢鹏), Guangming Wang(王光明), Binfeng Zong(宗彬锋), and Xiaojun Zou(邹晓鋆) A novel receiver-transmitter metasurface for a high-aperture-efficiency Fabry-Perot resonator antenna 2021 Chin. Phys. B 30 084103
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