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Frankfurt 2006 – scientific programme

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Q: Quantenoptik und Photonik

Q 35: Poster Photonische Kristalle

Q 35.16: Poster

Tuesday, March 14, 2006, 16:30–18:30, Labsaal

Analysis of the resonance properties of Split-Ring Resonators in the near infra-red — •Thomas Zentgraf1, Carsten Rockstuhl2, Hongcang Guo3, Na Liu3, Christoph Etrich4, Ingo Loa1, Karl Syassen1, Jürgen Kuhl1, Falk Lederer2, and Harald Giessen31Max Planck Institute for Solid State Research, Heisenbergstr. 1, 70569 Stuttgart, Germany — 2Institute for Condensed Matter Theory and Solid State Optics, Friedrich-Schiller University Jena, Max-Wien Platz 1, 07743 Jena, Germany — 34th Physics Institute, University of Stuttgart, Pfaffenwaldring 57, 70550 Stuttgart, Germany — 4Institute of Applied Physics, Friedrich-Schiller University Jena, Max-Wien Platz 1, 07743 Jena, Germany

Detailed results of the resonance properties of a metamaterial consisting of single split-ring resonators are presented. We employ transmission and reflection spectroscopy at normal incidence. The influence on the resonances of the important parameters characterizing the geometry of the split-ring resonators are analyzed experimentally. In all cases rigorous diffraction theory is employed for comparing the results with theoretical predictions. It is shown explicitly that the resonances depend solely on the design of the unit cells whose sizes are generally scalable. Besides the magnetic resonance associated with the permeability in such a metamaterial, we likewise focus on its plasmonic resonance. We demonstrate that these permittivity resonances are mostly governed by the baseline wires of the split-ring resonators.

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