Hogge, J.P.Cao, H.Kasparek, W.T.M., TranM.Q., TranParis, P.J.2008-05-132008-05-132008-05-13199110.1117/12.2297987https://infoscience.epfl.ch/handle/20.500.14299/24207Ellipsoidal diffraction grating as output coupler for quasi-optical gyrotronstext::conference output::conference proceedings::conference paper