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Title: Ion extraction system optimization

The extraction of a beam from ion sources is dominated by the strong space charge of the beam, due to the initial low speed of the particles. Several mathematical and computational issues are discussed, with reference to a diode design based on thin anode lens effect, yielding a parallel beam at its exit, which is the first block of many high current electrostatic accelerators. Perturbation to uniform current density are analyzed. Effect of a thick anode lens is also treated.
Authors:
 [1]
  1. INFN-LNL, v.le dell'Universita n 2, I-35020, Legnaro (Italy)
Publication Date:
OSTI Identifier:
22121673
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1530; Journal Issue: 1; Conference: ION BEAMS '12: International conference on multidisciplinary applications of nuclear physics with ion beams, Legnaro, Padova (Italy), 6-8 Jun 2012; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; ANODES; BEAM EXTRACTION; CURRENT DENSITY; DISTURBANCES; ELECTROSTATIC ACCELERATORS; ION SOURCES; OPTIMIZATION; SPACE CHARGE; VELOCITY