Studies towards an upgraded 1.5 MW gyrotron for W7-X
Konstantinos A. Avramidis, Tobias Ruess, Felix Mentgen, Jianbo Jin, Dietmar Wagner, Gerd Gantenbein, Stefan Illy, C. Ioannidis, Heinrich P. Laqua, Ioannis Gr. Pagonakis, Tomasz Rzesnicki, Manfred Thumm, Robert C. Wolf and John Jelonnek
