Effective medium-based analysis of nanowire-mediated localized surface plasmon resonance

Donghyun Kim, Soon Joon Yoon

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

We explore a nanowire-based localized surface plasmon resonance (LSPR) sensor system using an effective medium for the nanowire layer. The effective medium is obtained based on the far-field characteristics of the nanowire-based LSPR system. Near-field properties as well as the sensitivity performance of the effective medium-based SPR structure are compared to exact results of the nanowire-based LSPR system. The results indicate that an effective medium can reproduce the far-field and near-field characteristics of nanowires fairly well, while it represents the nanowire-based LSPR on a limited basis in terms of sensitivity characteristics, particularly when the LSPR is significantly enhanced.

Original languageEnglish
Pages (from-to)872-880
Number of pages9
JournalApplied Optics
Volume46
Issue number6
DOIs
Publication statusPublished - 2007 Feb 20

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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