Allaoua, O., Djellab, H., Maamri, F., Belhocine, Y., Saidi, R., Boumehrez, F., Sahour, A., & Salem, A. mohamed. (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