Direct determination of the resonance properties of metallic conical nanoantennas

Salvatore Tuccio, Luca Razzari, Alessandro Alabastri, Andrea Toma, Carlo Liberale, Francesco De De Angelis, Patrizio Candeloro, Gobind Das, Andrea Giugni, Enzo M. Di Fabrizio, Remo Proietti Zaccaria

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

We present a simple method that is able to predict the resonant frequencies of a metallic conical nanoantenna. The alculation 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.
Original languageEnglish (US)
Pages (from-to)571
JournalOptics Letters
Volume39
Issue number3
DOIs
StatePublished - Jan 24 2014

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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