Discharge-pumped radiation of xenon dimers

Sergey I. Yakovlenko; A. M. Boichenko; M. I. Lomaev; D. V. Shitz; V. S. Shakun; V. F. Tarasenko; A. N. Tkachev

doi:10.1117/12.515521

10 November 2003 Discharge-pumped radiation of xenon dimers

Sergey I. Yakovlenko, A. M. Boichenko, M. I. Lomaev, D. V. Shitz, V. S. Shakun, V. F. Tarasenko, A. N. Tkachev

Proceedings Volume 5120, XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2003) https://doi.org/10.1117/12.515521
Event: XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2002, Wroclow, Poland

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.

Citation Download Citation

Sergey I. Yakovlenko, A. M. Boichenko, M. I. Lomaev, D. V. Shitz, V. S. Shakun, V. F. Tarasenko, and A. N. Tkachev "Discharge-pumped radiation of xenon dimers", Proc. SPIE 5120, XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (10 November 2003); https://doi.org/10.1117/12.515521

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