S.D. EmamiS.W. HarunF. Abd-RahmanH.A. Abdul-RashidS.A. DaudZ.A. GhaniH. Ahmad2024-12-242024-12-242010-0810.1016/j.ijleo.2009.01.017https://dspace-cris.utar.edu.my/handle/123456789/7823A theoretical study of double-pass thulium-doped fiber amplifiersjournal-article