Analytical calculation and electromagnetic simulation of scattered magnetic field of a capacitively loaded inductive loop under resonance/nonresonance conditions

D.-O. Kim, C.-Y. Kim and H.-A. Jang

Journal of Electromagnetic Waves and Applications, 2013, vol. 27, issue 1, 30-38

Abstract: The effective permeability in a resonance situation becomes a big issue whenever it has to be negative in a metamaterial resonator. This permeability is a measure of magnetic polarization in response to a magnetic field. By using the Biot–Savart law, in this study, the magnetic field distributions inside a loop in resonance/nonresonance situations are theoretically analyzed and then simulated using a 3D electromagnetic tool. We employed a simple analytic model that considers the losses on a metallic loop. Through the exploration of the magnetic field distributions, this paper provides physical insights into the resonance mechanisms of a metamaterial resonator. The dissimilar aspects occurring in resonance and nonresonance situations are discussed in detail.

Date: 2013
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DOI: 10.1080/09205071.2012.737909

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