Eur. Phys. J. Appl. Phys.
Volume 56, Number 3, December 2011
|Number of page(s)||6|
|Section||Surfaces and Interfaces|
|Published online||14 November 2011|
Multi-band metamaterial absorber using cave-cross resonator
Department of Electronic Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, P.R. China
2 College of Physical Science and Technology, Huazhong Normal University, Wuhan 430079, P.R. China
a e-mail: email@example.com
Revised: 15 July 2011
Accepted: 26 July 2011
Published online: 14 November 2011
Multi-band metamaterial absorber (MA) was proposed at the microwave frequency ranges, which were composed of cave-cross resonator (CCR) with different geometric dimensions, dielectric substrate and continuous metal film. Microwave experiments demonstrated the maximum absorptivity of single CCR structure to be about 99% around 9 GHz. Numerical simulations confirm that the MA could achieve very high absorptivity at wide angles of incidence for both transverse electric (TE) wave and transverse magnetic (TM) wave. Importantly, numerical simulations demonstrate that the MA could achieve perfect multi-band absorption by assembling the multi-CCR structure with different geometric parameters in a coplanar.
© EDP Sciences, 2011
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