Abstract
The physics of an atmospheric pressure, radio frequency plasma has been investigated. The discharge is generated with helium and 0.4 vol.% nitrogen passing between two metal electrodes with a 3.0-mm gap. It was discovered that at a critical power density of 2.1 kW/cm/sup 3/, the plasma undergoes sheath breakdown and transitions from the /spl alpha/- to the /spl gamma/-mode. Photographs are presented showing the unique distribution of excited-state species under these conditions.
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Schedule a callMore From: IEEE transactions on plasma science. IEEE Nuclear and Plasma Sciences Society
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