K. Younis W, A. Kasir F. Total Efficiency and Output Power of Nd:YAG Laser with Spatial Interaction Efficiency Factor. RSCI [Internet]. 2006 Feb. 1 [cited 2025 Sep. 29];17(3):78-87. Available from: https://jamh.uomosul.edu.iq/index.php/rsci/article/view/47404