Eur. Phys. J. Appl. Phys.
Volume 49, Number 3, March 2010
Focus on Metamaterials
|Number of page(s)||5|
|Section||Focus on Metamaterials|
|Published online||03 February 2010|
Electromagnetic wave diffraction by array of complex-shaped metal elements placed on ferromagnetic substrate
Head of Theoretical Radio Physics Department, Institute of Radio Astronomy of National Academy of
Sciences of Ukraine, 4 Chervonopraporna St., Kharkiv, 61002, Ukraine
2 Federal University of Para, P.O. Box 8619, Agencia UFPA, CEP 66075-900 Belem, PA, Brazil
Corresponding author: email@example.com
Accepted: 8 December 2009
Published online: 3 February 2010
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.
PACS: 42.25.Fx – Diffraction and scattering / 78.20.Ls – Magnetooptical effects / 41 – Electromagnetism; electron and ion optics / 42 – Optics
© EDP Sciences, 2010
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