Metamaterial tuning by manipulation of near-field interaction

David A. Powell, Mikhail Lapine, Maxim V. Gorkunov, Ilya V. Shadrivov, and Yuri S. Kivshar

Phys. Rev. B 82, 155128 – Published 19 October 2010

Abstract

We analyze the near-field interaction between the resonant subwavelength elements of a metamaterial and present a method to calculate the electric and magnetic interaction coefficients. We show that by adjusting the relative configuration of the neighboring split ring resonators it becomes possible to manipulate this near-field interaction, and thus tune the response of metamaterials. We use the results of this analysis to explain the experimentally observed tuning of microwave metamaterials.

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Received 6 December 2009

DOI:https://doi.org/10.1103/PhysRevB.82.155128

Authors & Affiliations

David A. Powell^1,*, Mikhail Lapine^2,1, Maxim V. Gorkunov³, Ilya V. Shadrivov¹, and Yuri S. Kivshar¹

¹Nonlinear Physics Centre, Research School of Physics and Engineering, Australian National University, Canberra, Australian Capital Territory 0200, Australia
²Department Electronics and Electromagnetics, Faculty of Physics, University of Seville, Avda. Reina Mercedes s/n, 41015 Seville, Spain
³A. V. Shubnikov Institute of Crystallography, Russian Academy of Sciences, Lenin Ave. 59, 119333 Moscow, Russia

^*david.a.powell@anu.edu.au

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Issue

Vol. 82, Iss. 15 — 15 October 2010

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Physical Review B

covering condensed matter and materials physics