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Journal article

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

In Sensors — 2011, Volume 11, Issue 9, pp. 9109-9120

By Arslanagic, Samel1,2; Liu, Yan3; Malureanu, Radu4,5; Ziolkowski, Richard W.6

From

Electromagnetic Systems, Department of Electrical Engineering, Technical University of Denmark1

Department of Electrical Engineering, Technical University of Denmark2

Technical University of Denmark3

Metamaterials, Department of Photonics Engineering, Technical University of Denmark4

Department of Photonics Engineering, Technical University of Denmark5

University of Arizona6

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.

Language: English
Publisher: Molecular Diversity Preservation International (MDPI)
Year: 2011
Pages: 9109-9120
ISSN: 14243210 and 14248220
Types: Journal article
DOI: 10.3390/s110909109
ORCIDs: Arslanagic, Samel and Malureanu, Radu
Keywords

Core-shell nano-particles Plasmonics Sensors

Other keywords

Chemical technology Electromagnetic Fields Nanoparticles TP1-1185 core-shell nano-particles plasmonics sensors

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