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Control over a phase state of the laser plume ablated by femtosecond laser: Spatial pulse shaping

Gamaly, Eugene G; Rode, Andrei V; Uteza, Olivier; Kolev, Vesselin Z; Luther-Davies, Barry; Bauer, T; Koch, J; Korte, F; Chichkov, B N

Description

The conditions required for the formation of a fully atomized laser-ablated plume using subpicosecond laser pulses was discussed. The local thresholds for the different material transformations under the action of short powerful laser pulses were also formulated. It was found that the low-intensity wings were responsible for low-threshold phase transformations of the target and this was the major source of particulates in the ablated plumes. It was suggested that by truncating these wings with...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/79431
Source: Journal of Applied Physics
DOI: 10.1063/1.1645672

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