TY - JOUR T1 - Numerical study of thermal stress-induced fracture position in a super-Gaussian end-pumped Nd:YLF crystal TT - مطالعه عددی تعیین محل ترک خوردگی ناشی از تنش حرارتی در بلور Nd:YLF تحت دمش طولی ابرگوسی JF - opsi JO - opsi VL - 21 IS - 0 UR - http://opsi.ir/article-1-549-en.html Y1 - 2015 SP - 193 EP - 196 KW - FEM KW - Fracture KW - Thermal stress. N2 - Determining the optimum pumping power to prevent thermal fracture of a crystal is one of the important processes in modeling the solid state lasers. In this research, FEM method is employed to obtain the thermal distribution and thermal stress due to end-pumping in a Nd:YLF crystal with 1% doping concentration in a close condition to Q-switching. Results show that the non-dimensional fracture location is in good agreement with its available experimental counterpart. M3 ER -