“Investigation of Nonlinear Optical Properties of Sudan Red G Dye Solutions Using Diffraction Rings Patterns and Z-Scan Technique V”. University of Thi-Qar Journal of Science 11, no. 2 (December 5, 2024): 117–125. Accessed December 25, 2024. http://mail.jsci.utq.edu.iq/index.php/main/article/view/1265.