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, [S. l.], v. 11, n. 2, p. 117–125, 2024. DOI: 10.32792/utq/utjsci/v11i2.1265. Disponível em: http://mail.jsci.utq.edu.iq/index.php/main/article/view/1265.. Acesso em: 25 dec. 2024.