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Optical characteristics of double and single surface dielectric barrier discharges

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3 Author(s)
L. Oksuz ; University of Wisconsin-Madison, 53726, USA ; A. R. Hoskinson ; N. Hershkowitz

Summary form only given. Asymmetric double (both electrodes insulated) and single (one electrode insulated) surface barrier discharges' are investigated. Both geometries used one wire electrode and one copper tape electrode. The discharges are driven by 1 kHz symmetric triangle waveforms. Time- and space- resolved light emissions are recorded by an intensified charge-coupled device (ICCD) camera, with a minimum exposure time of 2 ns. In the single-barrier geometry, filamentary plasmas are observed when the voltage on the exposed electrode is increasing, and "diffuse" jet-like plasma are observed when the voltage is decreasing. In the double- barrier geometry, both structures are observed simultaneously, but in opposite directions, in all plasmas. Additional similarities will be discussed.

Published in:

Plasma Science - Abstracts, 2009. ICOPS 2009. IEEE International Conference on

Date of Conference:

1-5 June 2009