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Design of a Novel Double Negative Metamaterial Absorber Atom for Ku and K Band Applications

Centre of Advanced Electronic and Communication Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
Electrical Engineering Department, College of Engineering and Petroleum, Kuwait University, Safat 13060, Kuwait
Authors to whom correspondence should be addressed.
Electronics 2019, 8(8), 853;
Received: 30 June 2019 / Revised: 24 July 2019 / Accepted: 30 July 2019 / Published: 31 July 2019
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This paper presents a multiband metamaterial (MM) absorber based on a novel spiral resonator with continuous, dual, and opposite P-shape. The full wave analysis shows 80.06% to 99.95% absorption at frequencies range for Ku and K bands for several substrate materials of 100 mm2 area. The results indicate that the absorption rate remains similar for different polarizing angles in TEM mode with different substrates. With FR4 (Flame Retardant 4) substrate and 64 mm2 ground plane, the design acts as single negative (SNG) MM absorber in K band resonance frequencies (19.75–21.37 GHz) and acts as double negative (DNG) absorber in Ku band resonance frequencies (15.28–17.07 GHz). However, for Rogers 3035 substrate and 36 mm2 ground plane, it acts as an SNG absorber for Ku band resonance frequency 14.64 GHz with 83.25% absorption and as a DNG absorber for K band frequencies (18.24–16.15 GHz) with 83.69% to 94.43% absorption. With Rogers 4300 substrate and 36 mm2 ground plane, it acts as an SNG absorber for Ku band at 15.04 GHz with 89.77% absorption and as DNG absorber for K band frequencies (22.17–26.88 GHz) with 92.87% to 93.72% absorption. The design was fabricated with all three substrates and showed quite similar results as simulation. In comparison with other broadband absorbers, this proposed MM absorber illustrated broad incidence angles in TEM mode. View Full-Text
Keywords: metamaterial absorber; double negative; dual-band metamaterial absorber; double negative; dual-band

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MDPI and ACS Style

Hannan, S.; Islam, M.T.; Hoque, A.; Singh, M.J.; Almutairi, A.F. Design of a Novel Double Negative Metamaterial Absorber Atom for Ku and K Band Applications. Electronics 2019, 8, 853.

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