Status of the development of the EU 170 GHz/1 MW/CW gyrotron - Pagonakis, I. G.; Albajar, F.; Alberti, S.; Avramidis, K.; Bonicelli, T.; Braunmueller, F.; Bruschi, A.; Chelis, I; Cismondi, F.; Gantenbein, G.; Hermann, V; Hesch, K.; et al. (Fusion Engineering and Design, 2015)