A. Murad, Fadel, and Sattar Abdalfadil K. AL-Ebrahimy. “Calculation of Bends Losses in Single-Mode Fibers and The Critical Radius of Curvature by Two Light Sources”. Journal of Kufa-Physics 8, no. 1 (June 10, 2016). Accessed May 18, 2024. https://journal.uokufa.edu.iq/index.php/jkp/article/view/7465.