Z. Ali, Z. Abdulsada, N. Arasavalli, S. Kadhim, and H. Akram, “Initial Transmission Influence on Saturable Absorber Absorption Activity of Passive Q-Switching Erbium -Doped Fiber Laser System”, UTJsci, vol. 10, no. 2, pp. 224–229, Dec. 2023, doi: 10.32792/utq/utjsci/v10i2.1139.