A thin c-band polarization and incidence angle-insensitive metamaterial perfect absorber
Subject:
Metamaterial absorber (MMA)
Double-negative media (DNM)
Negative refractive index (NIR)
Left-handed media (LHM)
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MDPI
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Abstract:
A novel metamaterial absorber design able to operate in the C frequency band is presented, along with an analysis and a method to improve both its bandwidth and its angular stability. Simulation results for a FR4-based design are shown for comparison with existing designs. In addition, a simplified equivalent circuit is provided for a better understanding of the great angular stability and wide bandwidth exhibited by the proposed structure. Moreover, simulations, manufacturing and measurements of a thinner and more flexible metamaterial absorber, keeping the angular stability of the former one, while providing a wide bandwidth, are presented
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This work has been supported by the Gobierno del Principado de Asturias/FEDER under ProjectGRUPIN14-114 and by the European Union 7th Framework Programme under Project ICT-2011-9600849 (INSIDDE)
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