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Optical Near-Field Properties of Lithographically Designed Metallic Nanoparticles

Published online by Cambridge University Press:  10 February 2011

J.C. Weeber ,
J.R. Krenn ,
A. Dereux ,
E. Bourillot ,
J.P. Goudonnet ,
B. Schider ,
F.R. Aussenegg  and
Ch. Girard
J.C. Weeber
Affiliation:
Laboratoire de physique, Optique submicronique, Université de Bourgogne, F-21000, Dijon Cedex, France
J.R. Krenn
Affiliation:
Laboratoire de physique, Optique submicronique, Université de Bourgogne, F-21000, Dijon Cedex, France
A. Dereux
Affiliation:
Laboratoire de physique, Optique submicronique, Université de Bourgogne, F-21000, Dijon Cedex, France
E. Bourillot
Affiliation:
Laboratoire de physique, Optique submicronique, Université de Bourgogne, F-21000, Dijon Cedex, France
J.P. Goudonnet
Affiliation:
Laboratoire de physique, Optique submicronique, Université de Bourgogne, F-21000, Dijon Cedex, France
B. Schider
Affiliation:
Institut für Experimentalphysik, Universität Graz, Universitätsplatz 5, A-8010 Graz, Austria
F.R. Aussenegg
Affiliation:
Institut für Experimentalphysik, Universität Graz, Universitätsplatz 5, A-8010 Graz, Austria
Ch. Girard
Affiliation:
CEMES, 29 rue Jeanne Marvig, BP 4347, F-31055, Toulouse Cedex 4, France
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Abstract

We report on the experimental observation of localized surface plasmons sustained by small metallic particles using a photon scanning tunneling microscope (PSTM). The surface plasmons are excited in gold nanostructures tailored by electron beam lithography. The constant height operation of the PSTM allowed a direct comparison with theoretical computations of the distribution of the optical near-field intensity. Plasmon coupling above a chain of Au particles and electromagnetic energy transfer from a resonantly excited nanoparticle to a nanowire are demonstrated. Our experimental results appear to be in good agreement with theoretical computations based on the Green's Dyadic Technique.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 571: Symposium W – Semiconductor Quantum Dots , 1999 , 95
Copyright
Copyright © Materials Research Society 2000

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References

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