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Radiative damping of surface plasmon resonance in spheroidal metallic nanoparticle embedded in a dielectric medium |
JOSA B, Vol. 29, Issue 12, pp. 3404-3411 (2012)
http://dx.doi.org/10.1364/JOSAB.29.003404
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Abstract
The local field approach and kinetic equation method is applied to calculate the surface plasmon radiative damping in a spheroidal metal nanoparticle embedded in any dielectric media. The radiative damping of the surface plasmon resonance as a function of the particle radius, shape, dielectric constant of the surrounding medium, and the light frequency is studied in detail. It is found that the radiative damping grows quadratically with the particle radius and oscillates with altering both the particle size and the dielectric constant of a surrounding medium. Much attention is paid to the electron surface-scattering contribution to the plasmon decay. All calculations of the radiative damping are illustrated by examples on the Au and Na nanoparticles.
© 2012 Optical Society of America
OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(290.4020) Scattering : Mie theory
(300.2140) Spectroscopy : Emission
(300.6490) Spectroscopy : Spectroscopy, surface
(160.4236) Materials : Nanomaterials
ToC Category:
Spectroscopy
History
Original Manuscript: July 23, 2012
Revised Manuscript: September 26, 2012
Manuscript Accepted: October 25, 2012
Published: November 28, 2012
Virtual Issues
Vol. 8, Iss. 1 Virtual Journal for Biomedical Optics
Citation
Nicolas I. Grigorchuk, "Radiative damping of surface plasmon resonance in spheroidal metallic nanoparticle embedded in a dielectric medium," J. Opt. Soc. Am. B 29, 3404-3411 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josab-29-12-3404
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