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A Dual-Band Compact Metamaterial Absorber with Fractal Geometry

DIMES - Università della Calabria, 87036 Rende, Italy
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Electronics 2019, 8(8), 879; https://doi.org/10.3390/electronics8080879
Received: 9 June 2019 / Revised: 21 July 2019 / Accepted: 6 August 2019 / Published: 8 August 2019
(This article belongs to the Special Issue Engineering Metamaterials)
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Abstract

A fractal absorber based on a metamaterial configuration is proposed for dual-frequency operation within the UHF band. The miniaturization skills of the proposed fractal shape are used to design a dual-band metamaterial absorber cell with reduced size (<λ/2 at the two operating frequencies) and a very thin substrate thickness (≅λ/100). A metamaterial absorber panel is realized and experimentally validated. Good agreements between full-wave simulations and measurement results are demonstrated. View Full-Text
Keywords: dual-band; fractals; microwave absorbers; UHF-RFID dual-band; fractals; microwave absorbers; UHF-RFID
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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

Venneri, F.; Costanzo, S.; Borgia, A. A Dual-Band Compact Metamaterial Absorber with Fractal Geometry. Electronics 2019, 8, 879.

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