Multicharged ion source based on the Tornado closed magnetic confinement system
Authors: Abramova, K.; Voronin, A.; Smirnov, A.; Zorin, V.
Source: Technical Physics, Volume 46, Number 10, October 2001 , pp. 1314-1321(8)
Publisher: MAIK Nauka/Interperiodica
Abstract:It is proposed to use the Tornado closed magnetic confinement system with microwave plasma heating for creating a pulsed source of multicharged ions. The plasma losses in closed confinement systems are determined by the diffusion across the magnetic field, which substantially increases the plasma lifetime as compared to mirror confinement systems. A plasma heating scenario with the successive switching-on of two oscillators is proposed: an oscillator operating at a frequency of 2.45 GHz produces the initial plasma, which is then heated at a frequency of 15 or 53 GHz. It is shown that it is possible to achieve the distribution of ions over charge states with a maximum at Ar16+ at a plasma density of 2×1013 cm−3. The extracted ion current in this case can attain 1 A.
Document Type: Research Article
Affiliations: Email: email@example.com
Publication date: October 1, 2001