期刊
JOURNAL OF APPLIED PHYSICS
卷 110, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3638118
关键词
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资金
- University of China
- National Natural Science Foundation of China [61072017, 60801040]
- Natural Science Basic Research Plan in Shaanxi Province of China [2010JQ8013]
- SRF for ROCS, SEM
- National Key Laboratory Foundation
- Fundamental Research Funds for the Central Universities
In this paper, we report the design, fabrication, and measurement of a metamaterial absorber that is constructed of a periodic array of tetra-arrow resonators (TARs) printed on a dielectric material backed by a metal ground. The TAR absorber can operate at three different resonant modes. By adjusting geometry parameters of the structure, we can obtain a dual-band, polarization-insensitive, wide-angle thin absorber or a single band but ultra-miniature absorber that corresponds to three different resonant modes. Waveguide experiments are conducted to verify the proposed designs effectively. The measurement results show that all three absorptivity peaks come near to perfection. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3638118]
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