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Electric near field measurements and electromagnetic simulations of a bianisotropic metamaterial composed of split ring resonator (SRR) particles

By Hakeim Talleb, Zine Eddine Djeffal, David Lautru, Abdelwaheb Ourir and Victor Fouad Hanna


International audienceIn this paper, we confirm that a structure composed only of split ring resonator (SRR) particles can produce backward waves. We present numerical and experimental results for electric near fields that give rise to the backward-wave behaviour. This phenomenon is expressed by an effective wavelength λ eff higher than λ. This structure behaves as a bianisotropic metamaterial when the SRRs reduce simultaneously to electric and magnetic dipoles. We show that the produced asymmetric current distribution in such configuration leads to a backward-wave behaviour. An extraction method based on a homogenization procedure shows a good concordance of the index of refraction between the experimental and simulation results. This method is used to quantify the magnetoelectric parameter

Topics: [ SPI.ELEC ] Engineering Sciences [physics]/Electromagnetism
Publisher: Springer Verlag
Year: 2012
DOI identifier: 10.1007/s00339-012-7102-4
OAI identifier: oai:HAL:hal-00727808v1
Provided by: Hal-Diderot
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