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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 22 — Oct. 27, 2008
  • pp: 18131–18144

Multi-gap individual and coupled split-ring resonator structures

R. S. Penciu, K. Aydin, M. Kafesaki, Th. Koschny, E. Ozbay, E. N. Economou, and C. M. Soukoulis  »View Author Affiliations


Optics Express, Vol. 16, Issue 22, pp. 18131-18144 (2008)
http://dx.doi.org/10.1364/OE.16.018131


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Abstract

We present a systematic numerical study, validated by accompanied experimental data, of individual and coupled split ring resonators (SRRs) of a single rectangular ring with one, two and four gaps. We discuss the behavior of the magnetic resonance frequency, the magnetic field and the currents in the SRRs, as one goes from a single SRR to strongly interacting SRR pairs in the SRR plane. We show that coupling of the SRRs along the E direction results to shift of the magnetic resonance frequency to lower or higher values, depending on the capacitive or inductive nature of the coupling. Strong SRR coupling along propagation direction usually results to splitting of the single SRR resonance into two distinct resonances, associated with peculiar field and current distributions.

© 2008 Optical Society of America

OCIS Codes
(350.7420) Other areas of optics : Waves
(350.3618) Other areas of optics : Left-handed materials

ToC Category:
Metamaterials

History
Original Manuscript: July 22, 2008
Revised Manuscript: August 18, 2008
Manuscript Accepted: August 20, 2008
Published: October 22, 2008

Citation
R. S. Penciu, K. Aydin, M. Kafesaki, Th. Koschny, E. Ozbay, E. N. Economou, and C. M. Soukoulis, "Multi-gap individual and coupled split-ring resonator structures," Opt. Express 16, 18131-18144 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-22-18131


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