Design study of highly sensitive nanowire-enhanced surface plasmon resonance biosensors using rigorous coupled wave analysis

Kyung Min Byun, Sung June Kim, Donghyun Kim

Research output: Contribution to journalArticle

117 Citations (Scopus)

Abstract

In this study, we investigated the sensitivity enhancement in nanowire-based surface plasmon resonance (SPR) biosensors using rigorous coupled wave analysis (RCWA). The enhancement, enabled by the excitation of localized surface plasmons in gold nanowires, offers improved performance in sensitivity as well as in reproducibility and customizability. Calculation results found that a T-profile provides higher sensitivity than an inverse T-profile in general and also determined optimum design parameters. Our study on a nanowire-enhanced SPR biosensor demonstrates the potential for significant improvement in the sensitivity through the nanowire-mediated localized SPR.

Original languageEnglish
Pages (from-to)3737-3742
Number of pages6
JournalOptics Express
Volume13
Issue number10
DOIs
Publication statusPublished - 2005 May 15

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bioinstrumentation
surface plasmon resonance
nanowires
sensitivity
augmentation
profiles
plasmons
gold
excitation

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

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Design study of highly sensitive nanowire-enhanced surface plasmon resonance biosensors using rigorous coupled wave analysis. / Byun, Kyung Min; Kim, Sung June; Kim, Donghyun.

In: Optics Express, Vol. 13, No. 10, 15.05.2005, p. 3737-3742.

Research output: Contribution to journalArticle

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