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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 16 — Aug. 2, 2010
  • pp: 16601–16606

Particle plasmon resonances in L-shaped gold nanoparticles

Hannu Husu, Jouni Mäkitalo, Janne Laukkanen, Markku Kuittinen, and Martti Kauranen  »View Author Affiliations


Optics Express, Vol. 18, Issue 16, pp. 16601-16606 (2010)
http://dx.doi.org/10.1364/OE.18.016601


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Abstract

We present an extensive experimental and theoretical study of the particle plasmon resonances of L-shaped gold nanoparticles. For the small characteristic size of the particles, we observe more higher-order resonances than previously from related shapes, and show that a short-wavelength resonance arises from the particle arm width and is not the suggested volume plasmon. We interpret the resonances through the local vector electric field in the structure and by fully taking into account the particle symmetry.

© 2010 OSA

OCIS Codes
(160.3900) Materials : Metals
(250.5403) Optoelectronics : Plasmonics
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Optics at Surfaces

History
Original Manuscript: June 1, 2010
Revised Manuscript: July 1, 2010
Manuscript Accepted: July 5, 2010
Published: July 22, 2010

Citation
Hannu Husu, Jouni Mäkitalo, Janne Laukkanen, Markku Kuittinen, and Martti Kauranen, "Particle plasmon resonances in L-shaped gold nanoparticles," Opt. Express 18, 16601-16606 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-16-16601


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