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Spatiotemporal evolution of the electron density and temperature of a pulsed single filament micro-discharge

Published online by Cambridge University Press:  29 September 2010

S. Hassaballa
S. Hassaballa*
Affiliation:
Physics Department, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt
*
[email protected]
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Abstract

Laser Thomson scattering technique has been used to measure the electron density and the electron temperature in a pulsed single filament micro-discharge. The single filament discharge was created between a needle and a hemispherical electrode surface. The spatial and temporal profiles of the electron density and the electron temperature in the center of the discharge gap have been measured. The absolute values of the electron density and electron temperature were found to decrease with time and away from the discharge axis. These profiles have been measured for the first time.

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 52 , Issue 2: Focus on Numelec , November 2010 , 21001
Copyright
© EDP Sciences, 2010

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