Measurement of equilibrium departure evolution in a high-current pulsed arc

Juan Antonio Aparicio-Calzada; Marco A. Gigosos Perez; C. Perez; M. Inmac De La Rosa Garcia; Santiago Mar Sardana; Juan Antonio del Val

doi:10.1117/12.358428

6 July 1999 Measurement of equilibrium departure evolution in a high-current pulsed arc

Juan Antonio Aparicio-Calzada, Marco A. Gigosos Perez, C. Perez, M. Inmac De La Rosa Garcia, Santiago Mar Sardana, Juan Antonio del Val

Author Affiliations +

Proceedings Volume 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications; (1999) https://doi.org/10.1117/12.358428
Event: 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, 1998, Cartagena de Indias, Colombia

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 N_e (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.

Citation Download Citation

Juan Antonio Aparicio-Calzada, Marco A. Gigosos Perez, C. Perez, M. Inmac De La Rosa Garcia, Santiago Mar Sardana, and Juan Antonio del Val "Measurement of equilibrium departure evolution in a high-current pulsed arc", Proc. SPIE 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, (6 July 1999); https://doi.org/10.1117/12.358428

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