“Initial Transmission Influence on Saturable Absorber Absorption Activity of Passive Q-Switching Erbium -Doped Fiber Laser System”. University of Thi-Qar Journal of Science 10, no. 2 (December 28, 2023): 224–229. Accessed November 23, 2024. https://jsci.utq.edu.iq/index.php/main/article/view/1139.