Article

Applied Physics B

, Volume 84, Issue 1, pp 219-227

First online:

Resonances of split-ring resonator metamaterials in the near infrared

  • C. RockstuhlAffiliated withInstitute for Condensed Matter Theory and Solid State Optics, Friedrich-Schiller University Jena
  • , T. ZentgrafAffiliated withMax Planck Institute for Solid State Research Email author 
  • , H. GuoAffiliated with4th Physics Institute, University of Stuttgart
  • , N. LiuAffiliated with4th Physics Institute, University of Stuttgart
  • , C. EtrichAffiliated withInstitute of Applied Physics, Friedrich-Schiller-University Jena
  • , I. LoaAffiliated withMax Planck Institute for Solid State Research
  • , K. SyassenAffiliated withMax Planck Institute for Solid State Research
  • , J. KuhlAffiliated withMax Planck Institute for Solid State Research
  • , F. LedererAffiliated withInstitute for Condensed Matter Theory and Solid State Optics, Friedrich-Schiller University Jena
    • , H. GiessenAffiliated with4th Physics Institute, University of Stuttgart

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Abstract

We study the spectral response of optical metamaterials consisting of gold split-ring resonators. We utilize reflection spectroscopy in the near infrared region at normal incidence in the experiments. Our theoretical modeling is based on rigorous diffraction theory. We perform a comprehensive analysis of the dependence of the features of both the electric and the oscillating-circuit resonance on the geometry of the metamaterial. We show that theory and experiment are in good agreement.