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A carbon-nanotube-based frequency-selective absorber

Published online by Cambridge University Press:  26 October 2010

Ugo F. D'Elia ,
Giuseppe Pelosi ,
Stefano Selleri  and
Ruggero Taddei
Ugo F. D'Elia
Affiliation:
MBDA Italia S.p.A., Missile Systems, Via Tiburtina Km 12.400, Roma, Italy.
Giuseppe Pelosi
Affiliation:
Dipartimento di Elettronica e Telecomunicazioni (DET), Università di Firenze, Via di Santa Marta 3, 50139 Firenze, Italy. Phone: +39-055-4796751.
Stefano Selleri*
Affiliation:
Dipartimento di Elettronica e Telecomunicazioni (DET), Università di Firenze, Via di Santa Marta 3, 50139 Firenze, Italy. Phone: +39-055-4796751.
Ruggero Taddei
Affiliation:
Dipartimento di Elettronica e Telecomunicazioni (DET), Università di Firenze, Via di Santa Marta 3, 50139 Firenze, Italy. Phone: +39-055-4796751.
*
Corresponding author: S. Selleri Email: stefano.selleri@unifi.it
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Abstract

A recently developed material based on carbon nanotubes is used here for the realization of single- and double-layered frequency-selective surfaces (FSSs) with relevant absorbing properties. The peculiar characteristics of carbon nanotubes are exploited to devise high-loss resonant ring structures periodically arranged to build the FSS. By introducing two layers of rings, an absorber with stable characteristics over a wide frequency band and over a wide range for the incident wave angle is achieved.

Keywords

Frequency-selective surfacesAbsorbersCarbon nanotubesFinite elements
Type
Original Article
Information
International Journal of Microwave and Wireless Technologies , Volume 2 , Issue 5 , October 2010 , pp. 479 - 485
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2010

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