Capacitance tuning  of nanoscale split-ring resonators

Claus Jeppesen; Asger Mortensen; Anders Kristensen

doi:10.1063/1.3263191

Capacitance tuning of nanoscale split-ring resonators

Claus Jeppesen, Asger Mortensen, Anders Kristensen

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Abstract

We investigate the capacitance tuning of nanoscale split-ring resonators. Based on a simple inductor-capacitor circuit model, we derive an expression, where the inductance is proportional to the area while the capacitance reflects the aspect ratio of the slit. The resonance frequency may thus be tuned by the slit aspect ratio leaving the area, the lattice constant , and nearest-neighbor coupling in periodic structures invariant. Experimental data follow the predictions of the simple LC-model.

Original language	English
Journal	Applied Physics Letters
Volume	95
Issue number	19
Pages (from-to)	193108
ISSN	0003-6951
DOIs	https://doi.org/10.1063/1.3263191
Publication status	Published - 2009

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Copyright (2009) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

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AB - We investigate the capacitance tuning of nanoscale split-ring resonators. Based on a simple inductor-capacitor circuit model, we derive an expression, where the inductance is proportional to the area while the capacitance reflects the aspect ratio of the slit. The resonance frequency may thus be tuned by the slit aspect ratio leaving the area, the lattice constant , and nearest-neighbor coupling in periodic structures invariant. Experimental data follow the predictions of the simple LC-model.

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