Abstract
Proton beams are needed in neutral-beam injection for diagnostic development of an internal magnetic field measurement. High proton fraction, low axial energy spread, current density in excess of 30 mA/cm2, and a parallel ion beam with cw operation are the requirements for the ion source/extraction system. A multicusp-type ion source with an external rf antenna was constructed at Lawrence Berkeley National Laboratory. A proton fraction of 85% and proton current density of 32 mA/cm2 were achieved at 1.8 kW of rf power. Plasma parameters were measured with a rf compensated Langmuir probe.
References
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Dates
Type | When |
---|---|
Created | 21 years, 6 months ago (Jan. 26, 2004, 6:08 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 6, 2024, 9:50 p.m.) |
Indexed | 2 weeks, 2 days ago (Aug. 5, 2025, 8:59 a.m.) |
Issued | 21 years, 6 months ago (Feb. 1, 2004) |
Published | 21 years, 6 months ago (Feb. 1, 2004) |
Published Print | 21 years, 6 months ago (Feb. 1, 2004) |
@article{Hahto_2004, title={Multicusp ion source with external rf antenna for production of protons}, volume={75}, ISSN={1089-7623}, url={http://dx.doi.org/10.1063/1.1642744}, DOI={10.1063/1.1642744}, number={2}, journal={Review of Scientific Instruments}, publisher={AIP Publishing}, author={Hahto, S. K. and Hahto, S. T. and Ji, Q. and Leung, K. N. and Wilde, S. and Foley, E. L. and Grisham, L. R. and Levinton, F. M.}, year={2004}, month=feb, pages={355–359} }