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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 3 — Feb. 1, 2014
  • pp: 571–573

Direct determination of the resonance properties of metallic conical nanoantennas

Salvatore Tuccio, Luca Razzari, Alessandro Alabastri, Andrea Toma, Carlo Liberale, Francesco De Angelis, Patrizio Candeloro, Gobind Das, Andrea Giugni, Enzo Di Fabrizio, and Remo Proietti Zaccaria  »View Author Affiliations

Optics Letters, Vol. 39, Issue 3, pp. 571-573 (2014)

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We present a simple method that is able to predict the resonant frequencies of a metallic conical nanoantenna. The calculation is based on an integral relation that takes into account the dependence of the effective refractive index of the plasmonic mode on the cone radius. Numerical simulations retrieving the near field properties of nanocones with different lengths are also performed for comparison. The fine agreement between the two approaches demonstrates the validity of our method.

© 2014 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(250.5460) Optoelectronics : Polymer waveguides
(260.5740) Physical optics : Resonance
(250.5403) Optoelectronics : Plasmonics
(310.6628) Thin films : Subwavelength structures, nanostructures

ToC Category:
Optics at Surfaces

Original Manuscript: September 12, 2013
Revised Manuscript: December 16, 2013
Manuscript Accepted: December 16, 2013
Published: January 24, 2014

Salvatore Tuccio, Luca Razzari, Alessandro Alabastri, Andrea Toma, Carlo Liberale, Francesco De Angelis, Patrizio Candeloro, Gobind Das, Andrea Giugni, Enzo Di Fabrizio, and Remo Proietti Zaccaria, "Direct determination of the resonance properties of metallic conical nanoantennas," Opt. Lett. 39, 571-573 (2014)

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Fig. 1. Fig. 2. Fig. 3.

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