Interaction of an intense laser field with a dielectric containing metallic nanoparticles

Fabien Quere; Pierre Grua; Herve Bercegol; Philippe Martin; Jean Pierre Morreeuw; Jean Luc Rullier; Emmanuel Cottancin; Michel Pellarin

doi:10.1117/12.524727

10 June 2004 Interaction of an intense laser field with a dielectric containing metallic nanoparticles

Fabien Quere, Pierre Grua, Herve Bercegol, Philippe Martin, Jean Pierre Morreeuw, Jean Luc Rullier, Emmanuel Cottancin, Michel Pellarin

Author Affiliations +

Proceedings Volume 5273, Laser-Induced Damage in Optical Materials: 2003; (2004) https://doi.org/10.1117/12.524727
Event: XXXV Annual Symposium on Optical Materials for High Power Lasers: Boulder Damage Symposium, 2003, Boulder, Colorado, United States

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.

Citation Download Citation

Fabien Quere, Pierre Grua, Herve Bercegol, Philippe Martin, Jean Pierre Morreeuw, Jean Luc Rullier, Emmanuel Cottancin, and Michel Pellarin "Interaction of an intense laser field with a dielectric containing metallic nanoparticles", Proc. SPIE 5273, Laser-Induced Damage in Optical Materials: 2003, (10 June 2004); https://doi.org/10.1117/12.524727

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