Collection Of theses on high power laser and plasma physics, 2007, 5 (1): 82, Published Online: Sep. 18, 2008  

Balance of Asymmetry of Thermal Beam Distortion in Laser Diode End-Pumped Nd∶YVO4Solid State Lasers

Author Affiliations
中国科学院上海光学精密机械研究所高功率激光物理联合实验室, 上海 201800
Abstract
The asymmetry of a-cut Nd∶YVO4 leads to asymmetrical laser output from laser diode (LD) end-pumped Nd∶YVO4 solid state laser, which differs from Nd∶YAG laser. The finite element was applied to analyze the thermal effect of LD end-pumped a-cut Nd∶YVO4 crystal, including temperature distribution, internal stress and its deformation. The results indicate that the thermal lens of end-pumped a-cut Nd∶YVO4 crystal takes the ellipsoidal distribution. The method of balancing the asymmetry of thermal lens was put forward by the way of structure and pumping, and experimentally proved feasible.

Qiang Lin, Xiantao Wang, Jianqiang Zhu. Balance of Asymmetry of Thermal Beam Distortion in Laser Diode End-Pumped Nd∶YVO4Solid State Lasers[J]. Collection Of theses on high power laser and plasma physics, 2007, 5(1): 82.

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