Antisymmetric plasmon resonance in coupled gold nanoparticles as a sensitive tool for detection of local index of refraction

A N Grigorenko, H F Gleeson, Y Zhang, N W Roberts, A R Sidorov, A A Panteleev

Research output: Contribution to journalArticle (Academic Journal)peer-review

21 Citations (Scopus)

Abstract

A nanofabricated regular array of coupled gold nanopillars is employed to detect local indices of refraction of different liquids using a shift of an antisymmetric plasmon resonance peak observed in the reflection spectra. The peak's spectral position is found to be a unique function of the local refractive index for a wide range of indices. We discuss possible applications of the fabricated nanostructured arrays in bio- and chemical sensors. (c) 2006 American Institute of Physics.

Original languageEnglish
Article number124103
Pages (from-to)-
Number of pages3
JournalApplied Physics Letters
Volume88
Issue number12
DOIs
Publication statusPublished - 20 Mar 2006

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