Dayoub N. The development of program in on advanced –programming language (MATLAB ), To solve the rate equations of laser and to study the properties of laser emission in the case of pulse –working of laser (Q.switch) . TUJ-BA [Internet]. 2018Oct.1 [cited 2024May6];39(6). Available from: https://journal.tishreen.edu.sy/index.php/bassnc/article/view/4020