Design of the extraction system and beamline of the superconducting ECR ion source VENUS

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A new, very high magnetic field superconducting ECR ion source, VENUS, is under construction at the LBNL 88-Inch Cyclotron [1,2]. The paper describes the VENUS extraction system and discusses the ion beam formation in the strong axial magnetic field (3 T) of the ECR ion source. Emittance values as expected from theory, which assumes a uniform plasma density across the plasma outlet hole, are compared with actual measurements from the AECR-U ion source. Results indicate that highly charged heavier ions are concentrated on the source axis. They are extracted from an ''effective'' plasma outlet hole, whose smaller radius must be ... continued below

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3 pages

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Leitner, Matthaeus A.; Wutte, Daniela C. & Lyneis, Claude M. May 7, 2001.

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Description

A new, very high magnetic field superconducting ECR ion source, VENUS, is under construction at the LBNL 88-Inch Cyclotron [1,2]. The paper describes the VENUS extraction system and discusses the ion beam formation in the strong axial magnetic field (3 T) of the ECR ion source. Emittance values as expected from theory, which assumes a uniform plasma density across the plasma outlet hole, are compared with actual measurements from the AECR-U ion source. Results indicate that highly charged heavier ions are concentrated on the source axis. They are extracted from an ''effective'' plasma outlet hole, whose smaller radius must be included in ion optics simulations.

Physical Description

3 pages

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INIS; OSTI as DE00803758

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  • Particle Accelerator Conference (PAC 2001), Chicago, IL (US), 06/18/2001--06/22/2001

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  • Report No.: LBNL--48074
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 803758
  • Archival Resource Key: ark:/67531/metadc736336

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  • May 7, 2001

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  • Oct. 19, 2015, 7:39 p.m.

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  • April 4, 2016, 3:05 p.m.

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Leitner, Matthaeus A.; Wutte, Daniela C. & Lyneis, Claude M. Design of the extraction system and beamline of the superconducting ECR ion source VENUS, article, May 7, 2001; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc736336/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.