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Optics Letters

Optics Letters


  • Vol. 26, Iss. 14 — Jul. 15, 2001
  • pp: 1096–1098

Retardation-induced plasmon resonances in coupled nanoparticles

Jörg P. Kottmann and Olivier J. F. Martin  »View Author Affiliations

Optics Letters, Vol. 26, Issue 14, pp. 1096-1098 (2001)

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We study the coupling induced by retardation effects when two plasmon-resonant nanoparticles are interacting. This coupling leads to an additional resonance, the strength of which depends on a subtle balance between particle separation and size. The scattering cross section and the near field associated with this coupled resonance are studied for cylindrical particles in air and in water. Implications for surface-enhanced Raman scattering and nano-optics are discussed.

© 2001 Optical Society of America

OCIS Codes
(230.1150) Optical devices : All-optical devices
(240.5420) Optics at surfaces : Polaritons
(240.6680) Optics at surfaces : Surface plasmons
(260.3910) Physical optics : Metal optics
(290.5860) Scattering : Scattering, Raman
(350.3950) Other areas of optics : Micro-optics

Jörg P. Kottmann and Olivier J. F. Martin, "Retardation-induced plasmon resonances in coupled nanoparticles," Opt. Lett. 26, 1096-1098 (2001)

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