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Proceedings Paper

Measurement of equilibrium departure evolution in a high-current pulsed arc
Author(s): Juan Antonio Aparicio-Calzada; Marco A. Gigosos Perez; C. Perez; M. Inmac De La Rosa Garcia; Santiago Mar Sardana; Juan Antonio del Val
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Paper Abstract

This work reports information about the temporal evolution of the equilibrium departure in a high current pulsed arc. An argon plasma has been created in a linear lamp by discharging a capacitor bank on its electrodes. Very careful diagnostics techniques have allowed us to determine electron density Ne (2.0 - 9.5 X 1022 m-3) and ArII excitation temperature which has been assumed to be equal to kinetic electron temperature T (13000 - 26000 K). By making ArII/ArI intensities ratio at each instant of the plasma life, it is possible to obtain a parameter which gives an idea of the departure of ionization-recombination processes from local thermodynamic equilibrium conditions.

Paper Details

Date Published: 6 July 1999
PDF: 4 pages
Proc. SPIE 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, (6 July 1999); doi: 10.1117/12.358428
Show Author Affiliations
Juan Antonio Aparicio-Calzada, Univ. de Valladolid (Spain)
Marco A. Gigosos Perez, Univ. de Valladolid (Spain)
C. Perez, Univ. de Valladolid (Spain)
M. Inmac De La Rosa Garcia, Univ. de Valladolid (Spain)
Santiago Mar Sardana, Univ. de Valladolid (Spain)
Juan Antonio del Val, Univ. de Salamanca (Spain)


Published in SPIE Proceedings Vol. 3572:
3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications
Angela Maria Guzman, Editor(s)

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