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Detection and spectroscopy of gold nanoparticles using supercontinuum white light confocal microscopy.

Authors
Type
Published Article
Journal
Physical review letters
Publication Date
Volume
93
Issue
3
Pages
37401–37401
Identifiers
PMID: 15323866
Source
Medline

Abstract

We combine confocal microscopy using supercontinuum laser illumination and an interferometric detection technique to identify single nanoparticles of diameter below 10 nm. Spectral analysis of the signal allows us to record the plasmon resonance of a single nanoparticle. Our results hold great promise for fundamental studies of the optical properties of single metal clusters and for their use in biophysical applications.

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