Characteristic near-field spectra of single gold nanoparticles

Kohei Imura; Tetsuhiko Nagahara; Hiromi Okamoto

doi:10.1016/j.cplett.2004.10.152

Characteristic near-field spectra of single gold nanoparticles

Kohei Imura, Tetsuhiko Nagahara, Hiromi Okamoto

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Abstract

We investigate the interaction between evanescent wave and a single gold nanoparticle in near-field by utilizing an aperture-probe scanning near-field optical microscope. A characteristic spectral feature, consisting of transmission enhancement and absorptive parts, is found. Observed spectra are successfully simulated both by a model calculation based on extended Mie scattering theory of the near- and far-field scatterings as well as by a Green's dyadic method.

Original language	English
Pages (from-to)	500-505
Number of pages	6
Journal	Chemical Physics Letters
Volume	400
Issue number	4-6
DOIs	https://doi.org/10.1016/j.cplett.2004.10.152
Publication status	Published - 2004 Dec 21
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1016/j.cplett.2004.10.152

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abstract = "We investigate the interaction between evanescent wave and a single gold nanoparticle in near-field by utilizing an aperture-probe scanning near-field optical microscope. A characteristic spectral feature, consisting of transmission enhancement and absorptive parts, is found. Observed spectra are successfully simulated both by a model calculation based on extended Mie scattering theory of the near- and far-field scatterings as well as by a Green's dyadic method.",

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Characteristic near-field spectra of single gold nanoparticles

Abstract

ASJC Scopus subject areas

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