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Optics Letters

Optics Letters

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  • Vol. 36, Iss. 5 — Mar. 1, 2011
  • pp: 713–715

Nanoparticle plasmon resonances in the near-static limit

Thomas G. Pedersen, Jesper Jung, Thomas Søndergaard, and Kjeld Pedersen  »View Author Affiliations


Optics Letters, Vol. 36, Issue 5, pp. 713-715 (2011)
http://dx.doi.org/10.1364/OL.36.000713


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Abstract

Localized surface plasmon resonances of metal nanoparticles of arbitrary shape are analyzed in the near-static limit with retardation included to the second order. Starting from the electrostatic approximation, the second-order correction to the resonant dielectric constant is expressed by means of a triple surface integral. For arbitrary nano particles with cylindrical symmetry we show how the triple surface integral can be significantly simplified, resulting in a computationally efficient scheme for evaluation of nanoparticle plasmon eigenresonances in the near-static limit. The approach allows for calculation of both dipolar and higher-order resonances.

© 2011 Optical Society of America

OCIS Codes
(160.4760) Materials : Optical properties
(240.6680) Optics at surfaces : Surface plasmons
(260.3910) Physical optics : Metal optics

ToC Category:
Materials

History
Original Manuscript: September 28, 2010
Revised Manuscript: January 10, 2011
Manuscript Accepted: January 25, 2011
Published: February 28, 2011

Citation
Thomas G. Pedersen, Jesper Jung, Thomas Søndergaard, and Kjeld Pedersen, "Nanoparticle plasmon resonances in the near-static limit," Opt. Lett. 36, 713-715 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-5-713

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