ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Composite metamaterial enabled excellent performance of microstrip antenna array |
Tang Ming-Chun (唐明春), Xiao Shao-Qiu (肖绍球), Guan Jian (官剑), Bai Yan-Ying (柏艳英), Gao Shan-Shan (高山山), Wang Bing-Zhong (王秉中) |
Institute of Applied Physics, University of Electronic Science and Technology of China, Chengdu 610054, China |
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Abstract This paper reports that the split ring resonators and complementary split ring resonators are compounded to construct a novel compact composite metamaterial. The composite metamaterial exhibits a unique property of blocking electromagnetic wave propagating in two directions near the resonant frequency. An example of two-element microstrip antenna array demonstrates that the developed metamaterial enables array performance that is an improvement in comparison with the traditional one, including mutual coupling suppression of 9.07 dB, remarkable side lobe suppression and gain improvement of 2.14 dB. The mechanism of performance enhancement is analysed based on the electric field and Poynting vector distributions in array. The present work not only is a meaningful exploration of new type composite metamaterial design, but also opens up possibilities for extensive metamaterial applications to antenna engineer.
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Revised: 27 November 2009
Accepted manuscript online:
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PACS:
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42.70.-a
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(Optical materials)
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84.40.Ba
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(Antennas: theory, components and accessories)
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84.40.Az
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(Waveguides, transmission lines, striplines)
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Fund: Project supported partially by the Hi-Tech Research and Development Program of China (Grant No. 2009AA01Z231), partially by Aviation Science Foundation (Grant No. 20090180007), partially by the New-century Talent Program of the Education Department of China (Grant No. NCET070154), and partially by National Defence Research Funding (Grant Nos. 08DZ0229 and 09DZ0204). |
Cite this article:
Tang Ming-Chun (唐明春), Xiao Shao-Qiu (肖绍球), Guan Jian (官剑), Bai Yan-Ying (柏艳英), Gao Shan-Shan (高山山), Wang Bing-Zhong (王秉中) Composite metamaterial enabled excellent performance of microstrip antenna array 2010 Chin. Phys. B 19 074214
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