Recent results of the multifrequency high power
gyrotron development at FZK.
K.
Koppenburg, A. Arnold, E. Borie, G. Dammertz, O. Drumm, M.V. Kartikeyan,
B.
Piosczyk, M. Thumm, X. Yang
Forschungszentrum Karlsruhe, IHM, Postfach 3640, 76021 Karlsruhe
Abstract
A prototype
of a multifrequency step-tunable 1MW-gyrotron for controlling plasma
instabilities in fusion tokamaks has been designed. It operates in the TE22,8
mode at 140 GHz and the TE17,6 mode at 105 GHz and 7 other modes in between.
The newest experimental results will be presented.