Full text loading...
Schematic of alkali-halogen plasma source using double cathodes. Spiral and straight cathodes heated are set in the central axis of cylindrical anode. plasma is generated from alkali salt (KCl) by electron impact and magnetic filter.
Generation property of alkali-halogen plasma without thermionic emission from the center cathode depending on for at and under . Probe characteristic for and is inseted.
Plasma density depending on at and . Thermionic emission starts around .
Probe negative/positive saturation current ratio and depending on .
Article metrics loading...