Chen, S.H.S.H.ChenChang, T.H.T.H.ChangPao, K.F.K.F.PaoFan, C.T.C.T.FanKWO-RAY CHU2019-12-262019-12-262002https://scholars.lib.ntu.edu.tw/handle/123456789/440888Linear and Time-Dependent Behavior of the Gyrotron Backward-Wave Oscillatorjournal article10.1103/PhysRevLett.89.2683032-s2.0-0037165005https://www.scopus.com/inward/record.uri?eid=2-s2.0-0037165005&doi=10.1103%2fPhysRevLett.89.268303&partnerID=40&md5=b4505cdc5f7dd4dc5ee2ddf0ff7cd1cf