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Proceedings Paper

Optical detection and spectroscopy of single metal nanoparticles
Author(s): S. Berciaud; D. Lasne; G. A. Blab; Ph. Tamarat; L. Cognet; B. Lounis
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Paper Abstract

Photothermal Heterodyne Imaging (PHI) is a highly sensitive optical detection method of individual absorptive nano-objects. It can be applied to absorption spectroscopy measurements Surface Plasmon Resonance spectra of individual gold nanoparticules with diameters down to 5nm were recorded. Intrinsic size effects which result in a broadening of the Resonance are unambiguously observed and analyzed within the frame of Mie theory. Preliminary results obtained with silver nanoparticles are also presented.

Paper Details

Date Published: 26 August 2005
PDF: 13 pages
Proc. SPIE 5927, Plasmonics: Metallic Nanostructures and Their Optical Properties III, 59271B (26 August 2005); doi: 10.1117/12.621174
Show Author Affiliations
S. Berciaud, Ctr. de Physique Moleculaire Optique et Hertzienne, CNRS, Univ. Bordeaux 1 (France)
D. Lasne, Ctr. de Physique Moleculaire Optique et Hertzienne, CNRS, Univ. Bordeaux 1 (France)
G. A. Blab, Ctr. de Physique Moleculaire Optique et Hertzienne, CNRS, Univ. Bordeaux 1 (France)
Ph. Tamarat, Ctr. de Physique Moleculaire Optique et Hertzienne, CNRS, Univ. Bordeaux 1 (France)
L. Cognet, Ctr. de Physique Moleculaire Optique et Hertzienne, CNRS, Univ. Bordeaux 1 (France)
B. Lounis, Ctr. de Physique Moleculaire Optique et Hertzienne, CNRS, Univ. Bordeaux 1 (France)


Published in SPIE Proceedings Vol. 5927:
Plasmonics: Metallic Nanostructures and Their Optical Properties III
Mark I. Stockman, Editor(s)

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