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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
*
[email protected]
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Abstract

Full wave numerical study of electromagnetic wavereflection from and transmission through an array of thin, perfectconducting, planar strip complex-shaped elements placed on amagnetized 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 areclose in frequency, are larger than the correspondingcharacteristics of the ferrite layer without metal elements. Asignificant enhancement of the Faraday rotation has frequencyshift with respect to the main resonance. Both right-handed andleft-handed circular polarized incident waves interact effectivelywith a metal array placed on ferrite substrate unlike the knownresonant interaction when only one kind (right- or left-handed) ofcircular polarized waves interacts with the ferrite slab withoutmetal 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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A.A. Barybin, V.A. Dmitriev, Modern Electrodynamics and Coupled-Mode Theory: Application to Guided-Wave Optics (Rinton Press, Princeton, NJ, 2002)
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R.E. Collin, Foundation for Microwave Engineering, 2nd edn. (Wiley-Interscience, New York, 2001)