Demonstration of Electron-Bernstein-Wave Heating in a Tokamak via OXB Double-Mode Conversion

A. Mueck, L. Curchod, Y. Camenen, S. Coda, T. P. Goodman, H. P. Laqua, A. Pochelon, L. Porte, and F. Volpe
Phys. Rev. Lett. 98, 175004 – Published 27 April 2007

Abstract

The first demonstration of electron-Bernstein-wave heating by double-mode conversion from the O to the X mode in an overdense H-mode tokamak plasma has been achieved in the Tokamak à Configuration Variable device. This technique overcomes the upper density limit experienced by conventional microwave heating. The sensitive dependence of the OX mode conversion on the microwave launching direction has been verified experimentally, and localized power deposition consistent with theoretical predictions has been observed at densities well above the conventional cutoff.

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  • Received 7 August 2006

DOI:https://doi.org/10.1103/PhysRevLett.98.175004

©2007 American Physical Society

Authors & Affiliations

A. Mueck1, L. Curchod1, Y. Camenen1, S. Coda1, T. P. Goodman1, H. P. Laqua2, A. Pochelon1, L. Porte1, and F. Volpe2

  • 1Ecole Polytechnique Fédérale de Lausanne (EPFL), Centre de Recherches en Physique des Plasmas, Association EURATOM, CH-1015 Lausanne
  • 2Max-Planck-Institut für Plasmaphysik, EURATOM Assoziation, D-17491 Greifswald

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Issue

Vol. 98, Iss. 17 — 27 April 2007

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