Impact of the Excitation Source and Plasmonic Material on Cylindrical Active Coated Nano-Particles

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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Electromagnetic properties of cylindrical active coated nano-particles comprised of a silica nano-cylinder core layered with a plasmonic concentric nano-shell are investigated for potential nano-sensor applications. Particular attention is devoted to the near-field properties of these particles, as well as to their far-field radiation characteristics, in the presence of an electric or a magnetic line source. A constant frequency canonical gain model is used to account for the gain introduced in the dielectric part of the nano-particle, whereas three different plasmonic materials (silver, gold, and copper) are employed and compared for the nano-shell layers.
Original languageEnglish
JournalSensors
Publication date2011
Volume11
Issue9
Pages9109
ISSN14248220
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 4

Keywords

  • Plasmonics, Sensors, Core-shell nano-particles
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