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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 7 — Mar. 29, 2010
  • pp: 6545–6554

Electromagnetic interaction of split-ring resonators: The role of separation and relative orientation

Nils Feth, Michael König, Martin Husnik, Kai Stannigel, Jens Niegemann, Kurt Busch, Martin Wegener, and Stefan Linden  »View Author Affiliations

Optics Express, Vol. 18, Issue 7, pp. 6545-6554 (2010)

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Extinction cross-section spectra of split-ring-resonator dimers have been measured at near-infrared frequencies with a sensitive spatial modulation technique. The resonance frequency of the dimer's coupled mode as well as its extinction cross-section and its quality factor depend on the relative orientation and separation of the two split-ring resonators. The findings can be interpreted in terms of electric and magnetic dipole-dipole interaction. Numerical calculations based on a Discontinuous Galerkin Time-Domain approach are in good agreement with the experiments and support our physical interpretation.

© 2010 OSA

OCIS Codes
(260.5740) Physical optics : Resonance
(160.3918) Materials : Metamaterials

ToC Category:

Original Manuscript: January 15, 2010
Revised Manuscript: February 23, 2010
Manuscript Accepted: February 24, 2010
Published: March 15, 2010

Nils Feth, Michael König, Martin Husnik, Kai Stannigel, Jens Niegemann, Kurt Busch, Martin Wegener, and Stefan Linden, "Electromagnetic interaction of split-ring resonators: The role of separation and relative orientation," Opt. Express 18, 6545-6554 (2010)

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