ISSN:
1089-7623
Source:
AIP Digital Archive
Topics:
Physics
,
Electrical Engineering, Measurement and Control Technology
Notes:
An essential increase of operation efficiency of electron cyclotron resonance (ECR) multiply charged ion (MCI) sources (that is the increase of the average charge number and current of ion beams) is related to the possibility of achieving more dense plasma and transferring to the so-called quasi-gas dynamic regime of the plasma confinement in mirror traps by pumping with higher frequency. The first results of this experimental investigation of ion charge state distribution in a pulsed ECR source of MCI with pumping by millimeter wave radiation of a powerful gyrotron are presented in the article. Millimeter wave radiation with maximum power W=130 kW, frequency f=37.5 GHz, and pulse duration up to 1.5 ms is used for the experiments. The charge state distribution maximum corresponded to argon charge (+11)-(+12). Total ion saturation current density of the probe achieved 2 A/cm2. © 1998 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1148613
