NDLI: Influence of frequency tuning and double-frequency heating on ions extracted from an electron cyclotron resonance ion source.

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Influence of frequency tuning and double-frequency heating on ions extracted from an electron cyclotron resonance ion source.

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Influence of frequency tuning and double-frequency heating on ions extracted from an electron cyclotron resonance ion source.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Rossbach, J. Maimone, F. Lang, R. Celona, L. Mäder, J. Tinschert, K. Spädtke, P.
Description	Country affiliation: Germany Author Affiliation: Maimone F ( GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstr. 1, 64291 Darmstadt, Germany. f.maimone@gsi.de)
Abstract	The electromagnetic field within the plasma chamber of an electron cyclotron resonance ion source (ECRIS) and the properties of the plasma waves affect the plasma properties and ion beam production. We have experimentally investigated the 'frequency tuning effect' and 'double frequency heating' on the CAPRICE ECRIS device. A traveling wave tube amplifier, two microwave sweep generators, and a dedicated experimental set-up were used to carry out experiments in the 12.5-16.5 GHz frequency range. During the frequency sweeps the evolution of the intensity and shape of the extracted argon beam were measured together with the microwave reflection coefficient. A range of different ion source parameter settings was used. Here we describe these experiments and the resultant improved understanding of these operational modes of the ECR ion source.
ISSN	00346748
Issue Number	12
Journal	Review of Scientific Instruments
Volume Number	82
e-ISSN	10897623
Language	English
Publisher	American Institute of Physics
Publisher Date	2011-12-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Physics Discipline Chemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Instrumentation

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