Illy, S., Avramidis, K., Ioannidis, Z., Aiello, G., Benin, P., Chelis, I., et al. (2020). Recent Development of a 1.5 MW, 140 GHz Continuous-Wave Gyrotron for the Upgraded ECRH System at W7-X. Talk presented at 45th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW THz 2020) (Virtual Edition). Buffalo, NY. 2020-11-08 - 2020-11-13.