Phys. Rev. E 78, 066612 (2008) [5 pages]Omnidirectional magnetic-resonance transmission and its elimination in a metallic metamaterial comprising rings and platesReceived 19 August 2008; revised 27 October 2008; published 31 December 2008 Magnetic resonance is numerically investigated in a metallic metamaterial comprising rings and plates. It is found that a transmission band, instead of a stop band, results from the magnetic resonance as long as the electric field of the incident wave is polarized parallel to the ring plane, and thus it is an omnidirectional magnetic resonance transmission. We also observe an elimination phenomenon of the magnetic resonance transmission by tailoring the size of the plate, which implies a magnitude modulation of magnetic resonance. In addition, the equivalent LC circuit model is applied to analyze the geometry dependence of the magnetic resonance frequency, which is consistent with the numerical results by parametric simulations on the structural variations. © 2008 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.78.066612
DOI:
10.1103/PhysRevE.78.066612
PACS:
41.20.Jb, 42.70.Qs, 78.20.Ci, 73.20.Mf
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