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Materials 2015, 8(4), 1590-1603; doi:10.3390/ma8041590

A Six-Fold Symmetric Metamaterial Absorber

Área de Teoría de la Señal y Comunicaciones, Dpt. Ingeniería Eléctrica, Universidad de Oviedo, Edificio Polivalente, Mod. 8, Gijón 33203 (Asturias), Spain
Author to whom correspondence should be addressed.
Academic Editor: Jung Ho Je
Received: 12 January 2015 / Revised: 24 March 2015 / Accepted: 30 March 2015 / Published: 3 April 2015
(This article belongs to the Section Structure Analysis and Characterization)
View Full-Text   |   Download PDF [984 KB, uploaded 3 April 2015]   |  


A novel microwave metamaterial absorber design is introduced along with its manufacturing and characterization. Significant results considering both bandwidth and angular stability are achieved. Parametric analysis and simplified equivalent circuit are provided to give an insight on the key elements influencing the absorber performance. In addition, the constitutive parameters of the effective medium model are obtained and related to the absorber resonant behavior. Moreover, a new thinner and more flexible absorber version, preserving broad bandwidth and angular insensitive performance, is simulated, and an 8 × 8 unit-cells prototype is manufactured and measured for a limited angular margin in an anechoic chamber. 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

Figure 1

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 Six-Fold Symmetric Metamaterial Absorber. Materials 2015, 8, 1590-1603.

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