Current Status of the KIT Coaxial-Cavity Long-Pulse Gyrotron and its Key Components S. Ruess, K. A. Avramidis, G. Gantenbein, Z. Ioannidis, S. Illy, P. C. Kalaria, T. Kobarg, I. Gr. Pagonakis, T. Ruess, T. Rzesnicki et al. (3 more) EPJ Web Conf., 187 (2018) 01028 Published online: 03 September 2018 DOI: 10.1051/epjconf/201818701028