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Proceedings Paper

Interaction of an intense laser field with a dielectric containing metallic nanoparticles
Author(s): Fabien Quere; Pierre Grua; Herve Bercegol; Philippe Martin; Jean Pierre Morreeuw; Jean Luc Rullier; Emmanuel Cottancin; Michel Pellarin
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Paper Abstract

In order to understand the role played by nanodefects in optical breakdown of dielectrics, the interaction of an intense laser field with model dielectric samples containing metallic nanoparticles is studied both theoretically and experimentally. A theoretical study of the metal conduction electrons dynamics in the laser field predicts an efficient injection of carriers from the metallic inclusion to the conduction band of the dielectric, which leads to a strong local increase of the optical absorption in the initially transparent matrix. This prediction is tested experimentally by using time-resolved spectral interferometry to measure excitation densities as a function of the laser intensity in silica samples doped with gold nanoparticles, which are compared with similar measurements in pure silica.

Paper Details

Date Published: 10 June 2004
PDF: 7 pages
Proc. SPIE 5273, Laser-Induced Damage in Optical Materials: 2003, (10 June 2004); doi: 10.1117/12.524727
Show Author Affiliations
Fabien Quere, CEA Saclay (France)
Pierre Grua, CEA-CESTA (France)
Herve Bercegol, CEA-CESTA (France)
Philippe Martin, CEA Saclay (France)
Jean Pierre Morreeuw, CEA-CESTA (France)
Jean Luc Rullier, CEA-CESTA (France)
Emmanuel Cottancin, Univ. Claude Bernard Lyon I (France)
CNRS (France)
Michel Pellarin, Univ. Claude Bernard Lyon I (France)
CNRS (France)


Published in SPIE Proceedings Vol. 5273:
Laser-Induced Damage in Optical Materials: 2003
Gregory J. Exarhos; Arthur H. Guenther; Norbert Kaiser; Keith L. Lewis; M. J. Soileau; Christopher J. Stolz, Editor(s)

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