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Opt Express. 2008 Dec 8;16(25):20441-7.

Prism coupling to 'designer' surface plasmons.

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1
Electromagnetic Materials Group, School of Physics, University of Exeter, Exeter EX4 4QL, United Kingdom. a.p.hibbins@exeter.ac.uk

Abstract

The excitation of 'designer' surface-plasmon-like modes on periodically perforated metals is demonstrated at microwave frequencies using the classical method of prism-coupling. In addition we provide a complete formalism for accurately determining the dispersion of these surface modes. Our findings fully validate the use of metamaterials to give surface plasmon-like behavior at frequencies below the visible.

PMID:
19065182
[Indexed for MEDLINE]
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