从放大器能量储存和提取效率出发,通过理论分析激光介质增益性能和热效应等,系统地讨论和分析了激光二极管(LD)端面抽运高峰值功率高效率脉冲Yb:YAG片状激光放大器激光介质设计及优化过程。根据分析结果,设计脉冲激光放大器,在保证高峰值功率高效率工作的同时,能够充分抑制寄生振荡和热效应问题。

A reliable design and optimization of laser diode end-pumped Yb:YAG disk pulsed laser with high peak power and high efficiency is investigated.Based on discussion of the energy storage and extraction in the gain medium firstly,and theoretical analysis and modeling the gain performance and thermal effects of gain medium,the process of the amplifier gain medium design and optimization is discussed and analyzed systematically.According to the analysis,a resultant laser amplifier with high peak pulse power and high efficiency is obtained,which is able to suppress sufficiently the parasitic oscillation and thermal effects.