期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 48, 期 44, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/48/44/445008
关键词
metamaterial absorber; folded resistive patch; larger-incident angle; broadband
资金
- National Nature Science Foundation of China [61331005, 61501497]
- Postdoctoral Science Foundation of China [2015M572561]
- Foundation for the author of National Excellent Doctoral Dissertation of PR China [201242]
- Shannxi Province Scientific and Technology Innovation Team Foundation of China [2014KCT-05]
When a folded resistive patch array stands up on a metallic plane, it can exhibit more outstanding absorption performance. Our theoretical investigations and simulations demonstrated that the folded resistive patch arrays can enhance the absorption bandwidth progressively with the increase of the incident angle for the oblique transverse magnetic incidence, which is contrary to the conventional resistive frequency selective surface absorber. On illumination, we achieved a 3D structure metamaterial absorber with the folded resistive patches. The proposed absorber is obtained from the inspiration of the origami, and it has broadband and lager-incident angle absorption. Both the simulations and the measurements indicate that the proposed absorber achieves the larger-incident angle absorption until 75 degrees in the frequency band of 3.6-11.4 GHz. In addition, the absorber is extremely lightweight. The areal density of the fabricated sample is about 0.023 g cm(-2). Due to the broadband and lager-incident angle absorption, it is expected that the absorbers may find potential applications such as stealth technologies and electromagnetic interference.
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