Basic processes of pulsed laser materials interaction: applications to laser cleaning of oxidized surfaces

Michel L. Autric; Roland Oltra

doi:10.1117/12.611338

23 March 2005 Basic processes of pulsed laser materials interaction: applications to laser cleaning of oxidized surfaces

Michel L. Autric, Roland Oltra

Author Affiliations +

Proceedings Volume 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2005) https://doi.org/10.1117/12.611338
Event: XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2004, Prague, Czech Republic

Abstract

Investigation of the basic mechanisms taking place during pulsed laser cleaning of oxidized surfaces was carried out using different laser parameters in terms of wavelength, pulse duration and energy density. Working parameters were optimized for a reliable cleaning strategy comprising the total removal of the oxide layer, the minimization of laser effects onto the bulk and the beneficial laser effects onto the underlying base metal. The influence of the laser irradiation on the smaple and on the resulting mechanisms was investigated by in-situ real-time mass losses measurements and by post scanning electron microscopy and energy dispersive spectroscopy analysis. Two types of oxide layers were studied; the first one, transparent to the wavelength and the other one, absorbent to λ.

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Michel L. Autric and Roland Oltra "Basic processes of pulsed laser materials interaction: applications to laser cleaning of oxidized surfaces", Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); https://doi.org/10.1117/12.611338

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