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Proceedings Paper

Spectroscopic measurements of plasmas temperature and density during high-energy pulsed laser-materials interaction processes
Author(s): Dominique Astic; Patrick Vigliano; Michel L. Autric; Georges Inglesakis; Prat Christophe
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Paper Abstract

This paper concerns the characterization of a plasma by spectroscopic method. The study uses a spectrograph coupled to a gated optical multichannel analyzer (O.M.A) in order to obtain temporally and spatially resolved optical emission spectra of laser-induced aluminum and carbon plasmas. Laser-produced plasmas are described with Local Thermodynamic Equilibrium (L.T.E) assumption. Electron temperature and density informations are evaluated from spectroscopic records. Absorption coefficients have been estimated for CO2 and visible radiations

Paper Details

Date Published: 1 February 1991
PDF: 4 pages
Proc. SPIE 1397, 8th Intl Symp on Gas Flow and Chemical Lasers, (1 February 1991); doi: 10.1117/12.25886
Show Author Affiliations
Dominique Astic, Institut de Mecanique des Fluides (France)
Patrick Vigliano, Institut de Mecanique des Fluides (France)
Michel L. Autric, Institut de Mecanique des Fluides (France)
Georges Inglesakis, Institut de Mecanique des Fluides (France)
Prat Christophe, Institut de Mecanique des Fluides (France)

Published in SPIE Proceedings Vol. 1397:
8th Intl Symp on Gas Flow and Chemical Lasers
Concepcion Maroto Domingo; Jose M. Orza, Editor(s)

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