One part of this setup : First photo. Top coil and cage are attached from my tip31 npn Slayer exciters topload : RF flows from the outer to the inner electrodes through helium gas in vacuum . This starts a current to heat the gas and creates an intense field. Guided by its own magnetic field this forms into thin tiny filaments little whirlwinds of hot electrically conducting gases.
1
2
3
4
5
6 linear plasma column in a magnetic field
7
8