Towards the realization of a multistage depressed collector based on E×B drift
B. Ell, I. Pagonakis, C. Wu, D. Albert, K. Avramidis, G. Gantenbein, S. Illy, M. Thumm, J. Jelonnek
31st Joint Russian-German Workshop on ECRH and Gyrotrons, 2019, Jun