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Numerical study of ...
Numerical study of a broadband metamaterial absorber using a single split circle ring and lumped resistors for X-band applications
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- Nguyen, Thi Quynh Hoa (author)
- Vinh Univ, Sch Engn & Technol, 182 Le Duan, Vinh City 460000, Vietnam.
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- Nguyen, Thi Kim Thu (author)
- Vinh Univ, Sch Engn & Technol, 182 Le Duan, Vinh City 460000, Vietnam.
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- Cao, Thanh Nghia (author)
- Vinh Univ, Sch Engn & Technol, 182 Le Duan, Vinh City 460000, Vietnam.
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- Nguyen, Hugo, 1955- (author)
- Uppsala universitet,Mikrosystemteknik
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- Bach, Long Giang (author)
- Nguyen Tat Thanh Univ, NTT Hi Tech Inst, Ho Chi Minh City 700000, Vietnam.
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Vinh Univ, Sch Engn & Technol, 182 Le Duan, Vinh City 460000, Vietnam Mikrosystemteknik (creator_code:org_t)
- AIP Publishing, 2020
- 2020
- English.
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In: AIP Advances. - : AIP Publishing. - 2158-3226. ; 10:3
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Abstract
Subject headings
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- We report a numerical study on the design of a broadband metamaterial absorber (MMA) with a single layer of metal-dielectric-metal based on an FR-4 substrate for X-band applications. The MMA structure consists of a periodic array of a split circle ring and lumped resistors coupled within split segments. The MMA structure achieves a broadband absorption response in the frequency range of 7.8-12.6 GHz with an absorptivity of above 90% under normal incidence for all polarization angles. The absorptivity remains above 70% in the frequency range of 6.8-11.8 GHz at wide incident angles from 0 degrees to 30 degrees for both transverse electric and transverse magnetic polarizations. The physical mechanism of the absorber is explained by the electric and the surface current distributions that, in turn, are significantly affected by magnetic resonance.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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