PT Unknown AU Avramidis, KA Gantenbein, G Ioannidis, ZC Pagonakis, IG Rzesnicki, T Thumm, M Jelonnek, J Albajar, F Cau, F Cismondi, F Bertinetti, A Savoldi, L Zanino, R Rozier, Y Legrand, F TI Numerical studies on the influence of cavity thermal expansion on the performance of a high-power gyrotron SE 18th International Vacuum Electronics Conference (IVEC), London, April 24–26, 2017 PY 2017 BP 1 EP 2 DI 10.1109/IVEC.2017.8289512 LA english ER