Parekhan M. Jaff. “The Gain Performance of Ytterbium Doped Fiber Amplifier”. Journal of Wasit for Science and Medicine 5, no. 1 (November 8, 2022): 200–209. Accessed June 7, 2026. https://jwsm.uowasit.edu.iq/index.php/jwsm/article/view/184.