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Electromagnetic wave diffractionby array of complex-shaped metal elements placed on ferromagneticsubstrate

Published online by Cambridge University Press:  03 February 2010

S. L. Prosvirnin  and
V. A. Dmitriev
S. L. Prosvirnin
Affiliation:
Head of Theoretical Radio Physics Department, Institute of Radio Astronomy of National Academy of Sciences of Ukraine, 4 Chervonopraporna St., Kharkiv, 61002, Ukraine
V. A. Dmitriev*
Affiliation:
Federal University of Para, P.O. Box 8619, Agencia UFPA, CEP 66075-900 Belem, PA, Brazil
*
victor@ufpa.br
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Abstract

Full wave numerical study of electromagnetic wave reflection from and transmission through an array of thin, perfect conducting, planar strip complex-shaped elements placed on a magnetized ferrite substrate is carried out. Our results show, that the absorption level and the frequency band of the structure, when the ferromagnetic resonance and a metal element resonance are close in frequency, are larger than the corresponding characteristics of the ferrite layer without metal elements. A significant enhancement of the Faraday rotation has frequency shift with respect to the main resonance. Both right-handed and left-handed circular polarized incident waves interact effectively with a metal array placed on ferrite substrate unlike the known resonant interaction when only one kind (right- or left-handed) of circular polarized waves interacts with the ferrite slab without metal elements.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 49 , Issue 3: Focus on Metamaterials , March 2010 , 33005
Copyright
© EDP Sciences, 2010

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References

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R.E. Collin, Foundation for Microwave Engineering, 2nd edn. (Wiley-Interscience, New York, 2001)