期刊
JOURNAL OF APPLIED PHYSICS
卷 115, 期 21, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4881115
关键词
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资金
- National Natural Science Foundation of China [61271100]
- Natural Science Foundational Research Fund of Shannxi Province [2012JM8003, 2010JZ6010]
- Doctoral Foundation of Information and Navigation College, Air Force Engineering University [2014DF01]
By embedding the metal cavity into the substrate, a kind of ultrathin substrate integrated cavity metamaterial perfect absorber (SIC-MPA) is proposed in theory and experiment. The SIC-MPA is constructed of a single-square loop metal patch with four splits, a square metal patch in the center and several SICs loaded into the metamaterial perfect absorber. The electric fields of the resonant structures for the SIC-MPA are separated, and the electromagnetic wave leakage is decreased by the SICs. The simulated results show that the SIC-MPA has the advantage of high quality factors (Q-factors) of the absorptivity and the monostatic radar cross section (RCS) reduction. Experiments are carried out to verify the simulation results, and the measurement results show that the Q-factor of the measured absorptivity is increased by 23% and the Q-factors of the measured RCS reduction with 1.5 dB and 3 dB are increased by 21.5% and 18.7% compared with the conventional MPA. (C) 2014 AIP Publishing LLC.
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