| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Tunable frequency selective surface with a shorted ring slot |
| Jia Hong-Yan(贾宏燕)a), Feng Xiao-Guo(冯晓国)b)†, and Sheng Cui-Xia(盛翠霞)a) |
a. College of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255049, China;
b. Key Laboratory of Optical System Advanced Manufacturing Technology, Changchun Institute of Optics and Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China |
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Abstract In order to realize the tunable performance of a frequency selective surface (FSS), a new unit cell is designed in this paper by properly adding two metal shorts to the ring slot. Based on the spectral-domain method, the frequency responses of the FSS structure with two shorts per slot ring are analysed for both the horizontal and the vertical polarizations at the normal incidence. It is demonstrated that the presence of the metal shorts does not affect the resonant frequency of the horizontally polarized wave but doubles the resonant frequency of the vertically polarized wave. Therefore based on the analysis of the novel transmission properties, a new approach to adjusting the resonant frequency by rotating the FSS screen 90° is presented in this paper.
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Received: 27 June 2011
Revised: 27 April 2012
Accepted manuscript online:
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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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73.90.+f
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(Other topics in electronic structure and electrical properties of surfaces, interfaces, thin films, and low-dimensional structures)
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84.40.Az
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(Waveguides, transmission lines, striplines)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 61172012). |
Cite this article:
Jia Hong-Yan(贾宏燕), Feng Xiao-Guo(冯晓国), and Sheng Cui-Xia(盛翠霞) Tunable frequency selective surface with a shorted ring slot 2012 Chin. Phys. B 21 054102
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