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Proceedings Paper

LIFT investigation in nanosecond regime using high speed visualisation
Author(s): Gabriela Dorcioman; Patricia Alloncle; Olivier Uteza; Ion N. Mihailescu
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Paper Abstract

We studied the extension of LIFT method to the deposition of Cr thin film in the nanosecond regime. The major objective was to perform high-speed visualisation of the different phenomena involved in LIFT process using a CCD camera. The Cr thin films (40 nm thickness), previously deposited on glass substrates by a conventional technique, were irradiated by a SPECTRA PHYSICS 2ω Nd:YAG laser (λ=532 nm, τ=7ns, 500mJ/pulse, 10Hz). The dynamics of the plume was monitored using a CCD camera. Photos were taken at different delay times after laser irradiation. The timing of both the laser pulse and the gate opening of the CCD camera was controlled by a programmable pulse generator. For plasma visualization we have set the gate width at 5 ns.

Paper Details

Date Published: 22 April 2005
PDF: 5 pages
Proc. SPIE 5830, 13th International School on Quantum Electronics: Laser Physics and Applications, (22 April 2005); doi: 10.1117/12.618808
Show Author Affiliations
Gabriela Dorcioman, National Institute for Lasers, Plasma and Radiation Physics (Romania)
Patricia Alloncle, Laser, Plasma and Photonics Processes Lab. (France)
Olivier Uteza, Laser, Plasma and Photonics Processes Lab. (France)
Ion N. Mihailescu, National Institute for Lasers, Plasma and Radiation Physics (Romania)


Published in SPIE Proceedings Vol. 5830:
13th International School on Quantum Electronics: Laser Physics and Applications

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