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Abstract

The extension of the experimentally accessible plasma densities with electron cyclotron heating beyond the plasma cutoff density and the removal of the restriction to a resonant magnetic field, both via mode conversion heating from an O-wave to an X-wave and, finally, to an electron Bernstein (O-X-B) wave, was investigated and successfully demonstrated at the W7-AS stellarator. In addition to the heating effect, clear evidence for both mode conversion steps was detected for the first time.

Additional information

Authors: LAQUA H P, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);ERCKMANN V, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);HARTFUß H J, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);LAQUA H, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);HARTFU? H J, Max-Planck-Institut fur Plasmaphysik, Garching bei Munchen (DE)
Bibliographic Reference: Article: Physical Review Letters, Vol. 78 (1997) No. 18, pp. 3467-3470
Record Number: 199711342 / Last updated on: 1997-10-16
Category: PUBLICATION
Original language: en
Available languages: en