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Electromagnetic simulations of polarization-insensitive and wide-angle multiband metamaterial absorber by incorporating double asterisk resonator
Date
2020-04-25
Author
Abdulkarim, Yadgar
Deng Lianwen, Deng Lianwen
Luo Heng, Luo Heng
Huang Shengxiang, Huang Shengxiang
He Longhui, He Longhui
Li Yuhan, Li Yuhan
Muhammadsharif, Fahmi F.
ALTINTAŞ, OLCAY
Sabah, Cumali
KARAASLAN, MUHARREM
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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A novel multiband metamaterial absorber (MTMA) is proposed which is capable of well presenting a polarization-insensitive and wide incident angle stability in the microwave frequency range. The proposed MTMA comprising two vertically stacked asterisk-based copper resonators separated by dielectric layer of flame retardant type four and backed with a thin copper film. High-frequency structure simulator was used to simulate the absorber and to depict surface current distribution. The results showed that the absorber is operated at three narrow bands with high absorptivity of about 92, 100 and 100% at frequencies of 2.75, 4.3 and 9.5 GHz, respectively. The position of the resonant peaks can be effectively tuned by adjusting the geometry parameters of the structure, thereby achieving a multiband, polarization-independent and wide-angle absorber. The designed structure is important for the application of sensors, thermal images and in constructing broad multiband signals for electromagnetic compatibility/interference.
Subject Keywords
General Materials Science
,
Mechanics of Materials
URI
https://hdl.handle.net/11511/68546
Journal
BULLETIN OF MATERIALS SCIENCE
DOI
https://doi.org/10.1007/s12034-020-02098-3
Collections
Engineering, Article