Machining of metals with ultrashort laser pulses: from fundamental investigations to industrial applications

Friedrich Dausinger

doi:10.1117/12.611231

23 March 2005 Machining of metals with ultrashort laser pulses: from fundamental investigations to industrial applications

Friedrich Dausinger

Author Affiliations +

Proceedings Volume 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2005) https://doi.org/10.1117/12.611231
Event: XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2004, Prague, Czech Republic

Abstract

Ultrafast lasers appear very promising for material removal with ultra high precision because ablation is expected to be "cold" and not affected by plasma interaction in that case. It turned out, however, that the mere reduction of pulse duration does not guarantee the absence of recast and beam deformation. This contribution will present some progress in fundamental understanding of the ultrafast ablation process opening the way to develop technical means allowing to achieve an unprecedented level of accuracy at acceptable expenses and to choose optimal beam parameters, e.g. the pulse duration for which an optimum was found in the short picosecond range.

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Friedrich Dausinger "Machining of metals with ultrashort laser pulses: from fundamental investigations to industrial applications", Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); https://doi.org/10.1117/12.611231

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