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Abstract

High resolution density measurements in a conventional helicon source show sudden jumps during a rf power ramp. The downwards power ramp enters all three known discharge modes, capacitive, inductive, and helicon wave sustained mode. For an upwards power ramp the discharge jumps directly from the capacitive into the helicon mode. This observation stands in contrast to models that are based on the plasma density as the critical parameter for the transition to the helicon mode.

Additional information

Authors: FRANCK C M, Max-Planck-Institut für Plasmaphysik, Teilinstitut Greifswald, EURATOM Association, Greifswald (DE);GRULKE O, Max-Planck-Institut für Plasmaphysik, Teilinstitut Greifswald, EURATOM Association, Greifswald (DE) and Ernst-Moritz-Arndt Universität, Greifswald (DE);KLINGER T, Max-Planck-Institut für Plasmaphysik, Teilinstitut Greifswald, EURATOM Association, Greifswald (DE) and Ernst-Moritz-Arndt Universität, Greifswald (DE)
Bibliographic Reference: An article published in: Physics of Plasmas - January 2003 - Volume 10, Issue 1, pp. 323-325
Availability: This article can be accessed online by subscribers, and can be ordered online by non-subscribers, at: http://dx.doi.org/10.1063/1.1528903
Record Number: 200316000 / Last updated on: 2003-02-26
Category: PUBLICATION
Original language: en
Available languages: en