Allaoua, Oumaima, Hanane Djellab, Fouzia Maamri, Yacine Belhocine, Riad Saidi, Farouk Boumehrez, Abdelhakim Sahour, and Ahmed mohamed Salem. 2026. “Impact of Divergence Angle on FSO System Performance: A Study of SNR, BER, and Q Factor”. Systems and Computing 2 (1). https://doi.org/10.64409/sycom.v2.i1.30.