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- Title
Modeling of UV pulsed-laser ablation of metallic targets.
- Authors
Amoruso, S.
- Abstract
Abstract. A model to describe the laser ablation of metallic targets is presented. It accounts for the main physical processes involved in the laser-solid-plasma interaction by considering the photon absorption and the ionization mechanisms that are active in the plasma, as well as the laser-produced plasma kinetics. The model is used to simulate the laser ablation of aluminum targets irradiated with a 6-ns UV laser pulse at 0.35 micro m, and the results are compared with experimental findings. Calculations show that all the investigated plasma parameters strongly depend on the laser intensity until a roll off is reached at irradiance is greater than or equal to 1.5 GW cm[sup -2]. The satisfactorily good agreement between model predictions and experimental findings confirms that laser-plasma interaction processes and plasma kinetics play a relevant role during nanosecond laser ablation of metals in the laser intensity range of concern in this study.
- Subjects
LASER ablation; PLASMA lasers
- Publication
Applied Physics A: Materials Science & Processing, 1999, Vol 69, Issue 3, p323
- ISSN
0947-8396
- Publication type
Article
- DOI
10.1007/s003390051008