Abstract
Using a two-temperature hydrodynamic model, we analyze the regimes of multi-pulse laser ablation of aluminum by focusing on long-term plasma plume parameters. It is demonstrated that the plasma luminosity in single-, double- and multi-pulse ablation regimes may vary by two orders of magnitude. We also show that the double-pulse ablation regime with 5 J/ $$\hbox {cm}^2$$ fluence of each pulse and 100-ps inter-pulse delay is the most effective case giving rise to 250 times increase of the plasma brightness with respect to a single-pulse ablation regime with the same incident energy.
Published Version
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