Al-Wattar AJ. Amplified Spontaneous Emission of DCM Dye in PMMA Polymer Using Copper Metal Disks Mold. IJP [Internet]. 2010 Dec. 1 [cited 2024 Dec. 19];8(13):33-7. Available from: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/827