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Proceedings Paper

Spatial and temporal evolution of current density in spatially inhomogeneous discharge in gas mixtures with SF6
Author(s): Yury I. Bychkov; Arkady G. Yastremsky; Sofiya A. Yampolskaya
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Paper Abstract

An interest to properties of the discharge in gas mixtures with SF6 is justified by a wide use of such mixtures in the electron and commutation apparatuses and in the pulse discharge HF/DF lasers. Such lasers are considered to be perspective sources of radiation in the 2.4-3.2 μm range of the wave lengths. Experimental studies of the discharge in mixtures Ne/SF6/C6H14 [1] and SF6 - C2H6 [1, 2] have shown, that under certain conditions the discharge area extends, and spreads over the whole surface of electrodes. Discharge in the pure SF6 (P = 78 mBar) [3] was shown to expand in width from ~ 2.5 mm to ~ 3.5 mm. The mechanism of such an expansion till now remains unclear. The present paper is devoted to computer modeling of kinetic processes in non-uniform plasma in the SF6 gas. The kinetic processes affecting temporal and spatial distribution of the current density in non-uniform plasma are revealed.

Paper Details

Date Published: 9 January 2008
PDF: 6 pages
Proc. SPIE 6938, Atomic and Molecular Pulsed Lasers VII, 69380L (9 January 2008); doi: 10.1117/12.785632
Show Author Affiliations
Yury I. Bychkov, Institute of High Current Electronics (Russia)
Arkady G. Yastremsky, Institute of High Current Electronics (Russia)
Sofiya A. Yampolskaya, Institute of High Current Electronics (Russia)

Published in SPIE Proceedings Vol. 6938:
Atomic and Molecular Pulsed Lasers VII

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