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Materials 2015, 8(4), 1666-1681; doi:10.3390/ma8041666

A Thin C-Band Polarization and Incidence Angle-Insensitive Metamaterial Perfect Absorber

Signal Theory and Communications Area, Department of Electrical Engineering, University of Oviedo, Multi-Purpose Building, Module 8, Gijón 33203, Asturias, Spain
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Academic Editor: Steven Suib
Received: 30 January 2015 / Revised: 16 March 2015 / Accepted: 2 April 2015 / Published: 13 April 2015
(This article belongs to the Section Manufacturing Processes and Systems)
View Full-Text   |   Download PDF [1789 KB, uploaded 13 April 2015]   |  

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. View Full-Text
Keywords: metamaterial absorber (MMA); double-negative media (DNM); negative refractive index (NIR); left-handed media (LHM); polarization insensitive; angular stability metamaterial absorber (MMA); double-negative media (DNM); negative refractive index (NIR); left-handed media (LHM); polarization insensitive; angular stability
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Fernández Álvarez, H.; de Cos Gómez, M.E.; Las-Heras, F. A Thin C-Band Polarization and Incidence Angle-Insensitive Metamaterial Perfect Absorber. Materials 2015, 8, 1666-1681.

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