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Localized spoof plasmons in closed textured cavities
- Source :
- Applied Physics Letters. 104:251601
- Publication Year :
- 2014
- Publisher :
- AIP Publishing, 2014.
-
Abstract
- Localized spoof plasmons arising with textured closed surfaces have been theoretically studied and experimentally verified, which resemble the localized surface plasmons (LSPs) in the optical regime. In this work, we go one step further and demonstrate that part of the resonance modes in closed textured cavities pertain to spoof localized surface plasmons (spoof-LSPs) modes. We show the existence of spoof LSPs in periodically textured perfect electric conductor circular cavities and make an analogy between these spoof LSPs and the real LSPs in closed metallic cavities with the Drude model in the optical regime. Also, a metamaterial approach is presented to capture the resonant features of these modes.
Details
- ISSN :
- 10773118 and 00036951
- Volume :
- 104
- Database :
- OpenAIRE
- Journal :
- Applied Physics Letters
- Accession number :
- edsair.doi...........7e998ce786b52f7ad77cb15c2f386b0e
- Full Text :
- https://doi.org/10.1063/1.4885046