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Sharp bursts of high-flux reactive species in submicrosecond atmospheric pressure glow discharges

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journal contribution
posted on 21.08.2009, 10:02 by James L. Walsh, Michael G. Kong
In this letter, the authors present an experimental study of the temporal characteristics of submicrosecond pulsed atmospheric glow discharges. Using electrical measurements and nanosecond-resolved optical emission spectroscopy, they show that a long initial period of each voltage pulse is spent building up space charges and is then followed by a large current pulse in the voltage-falling phase. Reactive plasma species such as oxygen atoms and OH radicals are produced in a train of sharp and independent pulses of 50–100 ns wide. Finally, their production is shown to increase significantly as the voltage pulse width reduces or the repetition frequency increases.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Citation

WALSH, J.L. and KONG, M.G., 2006. Sharp bursts of high-flux reactive species in submicrosecond atmospheric pressure glow discharges. Applied Physics Letters, 89 (23) article 231503, pp. 1-3.

Publisher

© American Institute of Physics

Version

VoR (Version of Record)

Publication date

2006

Notes

Copyright 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the authors and the American Institute of Physics. This article appeared in the journal, Applied Physics Letters, and may be found at: http://link.aip.org/link/?APPLAB/89/231503/1

ISSN

0003-6951;1077-3118

Language

en