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Abstract

RF plasma generators have been found to have a number of advantages over filament based arc discharge plasma sources, which has led to their being used in areas such as space propulsion and plasma technology, where the RF power does not exceed a few kW. In a long-term development programme for the second ASDEX Upgrade neutral beam injector, a new advanced RF plasma generator with an external antenna has been developed. The principal objectives of this work were: (i) to extend the possible pulse length up to 10 s; (ii) to improve the homogeneity of the plasma density profiles; (iii) to enable operation with long transmission lines. In this paper the experimental set-up is described and the results of various experiments, including RF related questions, are presented.

Additional information

Authors: KRAUS W, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);FEIST J-H, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);SPETH E, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);LOCHTER M, Forschungszentrum Jülich GmbH (KFA) (DE)
Bibliographic Reference: Article: 17th Symposium on Fusion Technology, Rome (IT) : Proceedings, Vol. 1 (1993) pp. 549-553
Record Number: 199311001 / Last updated on: 1994-11-29
Category: PUBLICATION
Original language: en
Available languages: en
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