Photothermal microscopy for the study of laser damage initiation by measurement of absorption modification of silica seeded with gold nanoparticles

Annelise During; Bertrand Bertussi; Mireille Commandre; Jean-Yves Natoli; Florian E. Bonneau; Patrick Combis; Jean-Luc Rullier; Emmanuel Cottancin; Michel Pellarin

doi:10.1117/12.524856

10 June 2004 Photothermal microscopy for the study of laser damage initiation by measurement of absorption modification of silica seeded with gold nanoparticles

Annelise During, Bertrand Bertussi, Mireille Commandre, Jean-Yves Natoli, Florian E. Bonneau, Patrick Combis, Jean-Luc Rullier, Emmanuel Cottancin, Michel Pellarin

Author Affiliations +

Proceedings Volume 5273, Laser-Induced Damage in Optical Materials: 2003; (2004) https://doi.org/10.1117/12.524856
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 mechanisms of laser damage initiation, we study “model” samples constituted of pure silica seeded with 3 nm gold particles. Numerical simulations are performed with a 1-D hydrodynamic code to determine the laser light absorption by a spherical nanoparticle. This code also simulates the thermal conduction, radiative transfer and ionization by UV light emitted by the heated metallic particles. The setup used for experimental studies is a high resolution, high sensitivity photothermal microscope. This setup allows correlation between optical absorption and laser irradiation. We observe the silica transformation in terms of absorption modification as a function of the irradiation fluence. The morphology of irradiated samples surface is observed thanks to “Nomarski” and “atomic force” microscopy and compared to photothermal microscopy results. A correlation is observed between flaked silica and strongly absorbing areas.

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Annelise During, Bertrand Bertussi, Mireille Commandre, Jean-Yves Natoli, Florian E. Bonneau, Patrick Combis, Jean-Luc Rullier, Emmanuel Cottancin, and Michel Pellarin "Photothermal microscopy for the study of laser damage initiation by measurement of absorption modification of silica seeded with gold nanoparticles", Proc. SPIE 5273, Laser-Induced Damage in Optical Materials: 2003, (10 June 2004); https://doi.org/10.1117/12.524856

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