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Proceedings Paper

Discharge-pumped radiation of xenon dimers
Author(s): Sergey I. Yakovlenko; A. M. Boichenko; M. I. Lomaev; D. V. Shitz; V. S. Shakun; V. F. Tarasenko; A. N. Tkachev
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Paper Abstract

A discharge in high-pressure xenon excilamps is studied experimentally and theoretically. In the absence of an additional source of xenon preionization, the volume discharge is produced in the form of a diffuse cloud or diffuse cones at pressures of several hundreds of torrs. Under these conditions, radiation is emitted with a high efficiency within the VUV spectral range. The results of simulations have shown that, at the pressure on the order of 100 Torr and the field voltage on the order of 10 kV/cm, the established near-cathode layer is on the order of several tens of microns, which is much less than the wire radius. The cathode layer, the potential drop in the near-cathode area is much lower than the voltage applied to the discharge gap. We put forward a hypothesis that the formation of the volume discharge is due to the presence of dense plasma in the near-cathode area, and this plasma plays the role of a plasma cathode.

Paper Details

Date Published: 10 November 2003
PDF: 5 pages
Proc. SPIE 5120, XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (10 November 2003); doi: 10.1117/12.515521
Show Author Affiliations
Sergey I. Yakovlenko, General Physics Institute (Russia)
A. M. Boichenko, General Physics Institute (Russia)
M. I. Lomaev, High Current Electronics Institute (Russia)
D. V. Shitz, High Current Electronics Institute (Russia)
V. S. Shakun, High Current Electronics Institute (Russia)
V. F. Tarasenko, High Current Electronics Institute (Russia)
A. N. Tkachev, General Physics Institute (Russia)


Published in SPIE Proceedings Vol. 5120:
XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers

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