Volume 102, Number 5, June 2013
|Number of page(s)||5|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||19 June 2013|
Production and decay mechanism of atmospheric pressure homogeneous discharge generated by two L-shaped electrodes
Plasma Engineering Laboratory, Korea Institute of Machinery and Materials -104 Sinseongno, Yuseong-gu, Daejeon, 305-343, Korea
Received: 25 April 2013
Accepted: 28 May 2013
We investigated the characteristics of the discharge generated by an atmospheric pressure plasma reactor that used two L-shaped electrodes and was driven by bipolar pulses having opposite polarity. Due to the difference in the surface charge distributions on the electrodes, the discharge behaviours vary greatly between the rising and falling stages of the voltage pulse. In all cases, the plasma formed inside the reactor plays an important role in suppressing a filamentary mode outside the reactor, and hence, homogeneous discharge in He can be achieved under an open-air configuration.
PACS: 52.50.Dg – Plasma sources / 52.70.-m – Plasma diagnostic techniques and instrumentation
© EPLA, 2013
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