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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 4 — Apr. 1, 2011
  • pp: 937–943

Analysis of plasmon propagation along a chain of metal nanospheres using the generalized multipole technique

S. Mohsen Raeis Zadeh Bajestani, Mahmoud Shahabadi, and Nahid Talebi  »View Author Affiliations


JOSA B, Vol. 28, Issue 4, pp. 937-943 (2011)
http://dx.doi.org/10.1364/JOSAB.28.000937


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Abstract

We compute the dispersion diagram of an infinite chain of silver nanospheres. The Drude model is used to define the permittivity of nanospheres, and the generalized multipole technique (GMT) is applied to solve the Maxwell’s equation and, thus, to analyze the plasmon excitation. The obtained dispersion diagram using the GMT is compared with the result of the dipolar interacting model as well as the quasistatic model. Results of the finite element method are also presented to verify the accuracy of our results. Finally, a finite chain of metal nanospheres is examined for its scattering and propagation length of the guided modes.

© 2011 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(130.2790) Integrated optics : Guided waves
(240.6680) Optics at surfaces : Surface plasmons
(260.2030) Physical optics : Dispersion

ToC Category:
Optics at Surfaces

History
Original Manuscript: December 10, 2010
Revised Manuscript: February 9, 2011
Manuscript Accepted: February 14, 2011
Published: March 30, 2011

Citation
S. Mohsen Raeis Zadeh Bajestani, Mahmoud Shahabadi, and Nahid Talebi, "Analysis of plasmon propagation along a chain of metal nanospheres using the generalized multipole technique," J. Opt. Soc. Am. B 28, 937-943 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-4-937

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