PT Unknown AU Ruess, T Avramidis, KA Gantenbein, G Illy, S Ioannidis, Z Kalaria, P Obermaier, M Pagonakis, IG Ruess, S Rzesnicki, T Thumm, M Jelonnek, J TI Considerations on the selection of operating modes for future coaxial-cavity gyrotrons for DEMO SE Proceedings of the 11th German Microwave Conference (GeMiC 2018), Freiburg, Germany, 12th - 14th March 2018 PY 2018 BP 283 EP 286 DI 10.23919/GEMIC.2018.8335085 LA english ER