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Proceedings Paper

Laser-induced back-ablation of aluminum thin films using picosecond laser pulses
Author(s): Anthony B. Bullock; Paul Robert Bolton
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Paper Abstract

A study of Laser-Induced Back-Ablation of Aluminum thin film targets with picosecond laser pulses is reported. Ablated plume edge velocities are studied as a function of film thickness, laser pulsewidth, and incident laser fluence. Edge velocity results are compared to a model of total transmitted fluence incident at the substrate/film interface. A model including laser-induced avalanche ionization and multi-photon ionization mechanisms in the substrate shows a transmitted fluence limit which coincides with observed edge velocity limits.

Paper Details

Date Published: 14 September 1998
PDF: 8 pages
Proc. SPIE 3343, High-Power Laser Ablation, (14 September 1998); doi: 10.1117/12.321549
Show Author Affiliations
Anthony B. Bullock, Lawrence Livermore National Lab. (United States)
Paul Robert Bolton, Lawrence Livermore National Lab. (United States)

Published in SPIE Proceedings Vol. 3343:
High-Power Laser Ablation
Claude R. Phipps, Editor(s)

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