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On the reinterpretation of resonances in split-ring-resonators at normal incidence

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Rockstuhl, Carsten, Lederer, Falk, Etrich, Christoph, Zentgraf, Thomas, Kuhl, Jürgen, Giessen, Harald·2006·Optics Express

Abstract

We numerically study the spectral response of 'U'-shaped split-ring-resonators at normal incidence with respect to the resonator plane. Based on the evaluation of the near-field patterns of the resonances and their geometry-dependent spectral positions, we obtain a comprehensive and consistent picture of their origin. We conclude that all resonances can be understood as plasmonic resonances of increasing order of the entire structure. In particular, for an electrical field polarized parallel to the gap the so-called LC-resonance corresponds to the fundamental plasmonic mode and, contrary to earlier interpretations, the electrical resonance is a second order plasmon mode of the entire structure. The presence of further higher order modes is discussed.

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Metadata

Authors
Rockstuhl, C., Lederer, F., Etrich, C., Zentgraf, T., Kuhl, J., & Giessen, H.
Venue
Optics Express
Published
2006
Volume
14
Issue
19
Pages
8827
ISSN
1094-4087 (ISSN-L)
OpenAlex
W2074573709
Cited by
299
References
2
FWCI
16.09
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: On the reinterpretation of resonances in split-ring-resonators at normal incidence. https://app.cochat.ai/papers/10.1364/oe.14.008827
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Rockstuhl, C., Lederer, F., Etrich, C., Zentgraf, T., Kuhl, J., & Giessen, H. (2006). On the reinterpretation of resonances in split-ring-resonators at normal incidence. Optics Express. https://doi.org/10.1364/oe.14.008827

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