Abstract
A magnetic resonance microwave response has been detected and identified in a structure of parallel nonmagnetic wires or a single line wire perpendicular to the electric field of a plane electromagnetic wave in the case where the wires are arranged near an array (grating) of resonant surface-plasmon-generating elements and oriented along the direction of wave propagation. A giant resonance is observed for a definite (resonance) length of the wire(s) in a certain frequency range corresponding to the existence of surface plasmons (below the resonance frequency of the plasmon-generating array). It is suggested that the magnetic response of the wire(s) is due to the excitation of resonance currents by the magnetic field of surface plasmons. Using the observed phenomena, it is possible to obtain new magnetic metamaterials (in particular, those possessing simultaneously negative effective dielectric permittivity and magnetic permeability) tunable in a broad frequency range.
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Original Russian Text © V.S. Butylkin, G.A. Kraftmakher, 2011, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2011, Vol. 37, No. 7, pp. 38–46.
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Butylkin, V.S., Kraftmakher, G.A. Magnetic-type resonance in nonmagnetic line wire excited by surface plasmons in microwave range. Tech. Phys. Lett. 37, 309–312 (2011). https://doi.org/10.1134/S1063785011040055
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DOI: https://doi.org/10.1134/S1063785011040055