Study of a Novel Bidirectional Compression Electron Gun for W -Band Sheet Beam TWT Yang, Liusha ; Wang, Jianxun ; Li, Hao ; Jiang, Wei ; Dong, Kun ; Luo, Yong Abstract Publication: IEEE Transactions on Plasma Science Pub Date: May 2017 DOI: 10.1109/TPS.2017.2688480 Bibcode: 2017ITPS...45..805Y