Ion Source for Neutral beam injection meant for plasma and magnetic field diagnostics

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At the Lawrence Berkeley National Laboratory (LBNL) a diagnostic neutral beam injection system for measuring plasma parameters, flow velocity, and local magnetic field is being developed. The systems is designed to have a 90 % proton fraction and small divergence with beam current at 5-6 A and a pulse length of {approx}1 s occurring once every 1-2 min. The ion source needs to generate uniform plasma over a large (8 cm x 5 cm) extraction area. For this application, we have compared RF driven multicusp ion sources operating with either an external or an internal antenna in similar ion source ... continued below

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Vainionpaa, Jaakko Hannes; Leung, Ka Ngo; Gough, Richard A.; Kwan, Joe W. & Levinton, Fred June 1, 2007.

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At the Lawrence Berkeley National Laboratory (LBNL) a diagnostic neutral beam injection system for measuring plasma parameters, flow velocity, and local magnetic field is being developed. The systems is designed to have a 90 % proton fraction and small divergence with beam current at 5-6 A and a pulse length of {approx}1 s occurring once every 1-2 min. The ion source needs to generate uniform plasma over a large (8 cm x 5 cm) extraction area. For this application, we have compared RF driven multicusp ion sources operating with either an external or an internal antenna in similar ion source geometry. The ion beam will be made of an array of six sheet-shaped beamlets. The design is optimized using computer simulation programs.

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  • 12 International Conference on Ion Sources, Jeju, Korea, Augu; Related Information: Journal Publication Date: January 2008

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  • Report No.: LBNL-1256E
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 944426
  • Archival Resource Key: ark:/67531/metadc893965

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  • June 1, 2007

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  • Sept. 27, 2016, 1:39 a.m.

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  • Oct. 31, 2016, noon

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Vainionpaa, Jaakko Hannes; Leung, Ka Ngo; Gough, Richard A.; Kwan, Joe W. & Levinton, Fred. Ion Source for Neutral beam injection meant for plasma and magnetic field diagnostics, article, June 1, 2007; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc893965/: accessed December 11, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.