Fourier analysis of surface plasmon waves launched from single nanohole and nanohole arrays: Unraveling tip-induced effects

You-Chia Chang*, J. Y. Chu, T. J. Wang, M. W. Lin, J. T. Yeh, J. K. Wang

*Corresponding author for this work

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

The authors report the investigation of surface plasmon waves (SPW) generated by single nanohole and nanohole arrays. Scattering-type scanning near-field microscopy is used to directly observe near-field distribution. The images after Fourier transformation display characteristic patterns that match with the derived analytic formula. The correspondence helps to identify the role of the scanning tip in generating SPW, making possible of the removal of this tip-induced effect. This study provides a means to perform in-depth investigation on surface plasmon polaritons.

Original languageEnglish
Pages (from-to)740-747
Number of pages8
JournalOptics Express
Volume16
Issue number2
DOIs
StatePublished - 21 Jan 2008

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