M. I. MUKHTAR, N. N. ADNAN, and G. KRISHNAN, “The Study of Nonlinear Optical Properties of Curcumin Dye Using Z-Scan Method”, EKST, vol. 4, no. 2, pp. 509–519, Dec. 2024, Accessed: Apr. 09, 2026. [Online]. Available: https://publisher.uthm.edu.my/periodicals/index.php/ekst/article/view/14316