DocumentCode :
2306801
Title :
Design of the extraction system of the superconducting ECR ion source venus
Author :
Leitner, M.A. ; Wutte, D.C. ; Lyneis, C.M.
Author_Institution :
Lawrence Berkeley Nat. Lab., CA, USA
Volume :
1
fYear :
2001
fDate :
2001
Firstpage :
67
Abstract :
A new, very high magnetic field superconducting ECR ion source, VENUS, is under construction at the LBNL 88-Inch Cyclotron. 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
Keywords :
accelerator magnets; cyclotrons; ion accelerators; ion beams; ion optics; ion sources; particle beam extraction; superconducting magnets; 3 T; 88 inch; AECR-U ion source; LBNL 88-Inch cyclotron; VENUS; electron cyclotron resonance; emittance values; extraction system; induced beam rotation; ion beam formation; ion optics simulations; plasma outlet hole; strong axial magnetic field; uniform plasma density; very high magnetic field superconducting ECR ion source; Cyclotrons; Ion beams; Ion sources; Magnetic field measurement; Magnetic fields; Plasma density; Plasma measurements; Plasma simulation; Plasma sources; Venus;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Particle Accelerator Conference, 2001. PAC 2001. Proceedings of the 2001
Conference_Location :
Chicago, IL
Print_ISBN :
0-7803-7191-7
Type :
conf
DOI :
10.1109/PAC.2001.987433
Filename :
987433
Link To Document :
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