Ruess T, Avramidis KA, Gantenbein G, Illy S, Rzesnicki T, Thumm M, Jelonnek J. Theoretical Study on the Possibility for Stepwise Tuning of the Frequency of the KIT 2 MW 170/204 GHz Coaxial-Cavity Gyrotron. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. Vol. 2020-November. ; 2020. pp. 435-436.