KWO-RAY CHUChang, T.H.T.H.ChangPao, K.F.K.F.PaoFan, C.T.C.T.FanChen, S.H.S.H.Chen2019-12-262019-12-262002https://scholars.lib.ntu.edu.tw/handle/123456789/440889Axial modes of the gyrotron backward-wave oscillatorjournal article10.1109/PLASMA.2002.10302442-s2.0-0036367878https://www.scopus.com/inward/record.uri?eid=2-s2.0-0036367878&doi=10.1109%2fPLASMA.2002.1030244&partnerID=40&md5=a64f8ebc66427a852de615510b09eba1