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Journal of Electromagnetic Waves and Applications Volume 28, 2014 - Issue 12
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Articles

Novel three-band microwave metamaterial absorber

Ben MaKey Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing210016, China
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Shaobin LiuKey Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing210016, ChinaCorrespondence[email protected]
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Borui BianKey Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing210016, China
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Xiangkun KongKey Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing210016, China
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Haifeng ZhangKey Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing210016, China
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Zhiwen MaoKey Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing210016, China
&
Beiyin WangKey Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing210016, China
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Pages 1478-1486 | Received 06 Mar 2014, Accepted 24 May 2014, Published online: 26 Jun 2014
 
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Abstract

In this paper, a novel three-band microwave metamaterial absorber is presented. The proposed absorber consists of a metallic planar cross and square layer on the top and a metallic ground plane at the bottom. They are separated by a dielectric layer. The experimental results show that the proposed absorber exhibits triple band absorption responses lying in C-band, X-band, and Ku-band. The proposed absorber can perform absorption peaks at three resonant frequencies of 6.16, 8.76, and 12.54 GHz with the absorption of 99.87, 99.98, and 99.99% can be acquired, respectively. In addition, the absorber can operate at large incident angles for both TE and TM polarization.

Funding

This work was supported by the Chinese Natural Science Foundation [grant number 61307052]; the Chinese Specialized Research Fund for the Doctoral Program of Higher Education [grant number 20123218110017]; the Jiangshu Province Science Foundation [grant number BK2011727]; in part by Funding of Jiangsu Innovation Program for Graduate Education (No. CXZZ13_0166); in part by Youth Funding for Science & Technology Innovation in NUAA (NS2014039); and in part by Open Research Program in Jiangsu Key Laboratory of Meteorological Observation and Information Processing [grant number KDXS1207].

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