Multiband Metamaterial Absorber in a Ring Structure Base on High-order Magnetic Resonance
Thi Hien NguyenThi Anh Hong NguyenThi Nga DinhXuan Khuyen BuiSon Tung BuiXuan Ca NguyenVan Ngoc NguyenBa Tuong NguyenDinh Lam Vu
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DOI:
https://doi.org/10.15625/0868-3166/15520Keywords:
metamaterials, perfect absorber, high-order resonanceAbstract
We proposed a multi-band metamaterial absorber (MA) based on high-order magnetic resonance using ring-shaped structures. We obtained three absorption peaks at 4.71 GHz (the fundamental resonance), 13.39 GHz (the third-order behavior), and 19.91 GHz (the fifth-order behavior) with correspondent absorptions of 90%, 100%, and 99.33%, respectively. Therefore, these high-order perfect absorptions are the potential to make the easier fabrication for the next generation of MAs, especially in high-frequency regions. Particular, the obtained results are further controlled using the LC circuit model. Besides, by scaling down the unit-cell size, the third- and fifth-order absorptions are created in the THz frequency band.Downloads
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Published
10-05-2021
How to Cite
[1]
T. H. Nguyen, “Multiband Metamaterial Absorber in a Ring Structure Base on High-order Magnetic Resonance”, Comm. Phys., vol. 31, no. 2, p. 199, May 2021.
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