增益开关型固体可调谐激光器的时间特性──理论

本文从理论上分析研究了调Q激光器泵浦的固体可调谐激光器的时间特性,推导出了这种寿命为μS量级的固体可调谐激光器,当用10ns量级脉宽激光泵浦时的激光脉冲建立时间公式和输出脉宽公式。这种泵浦时间远小于激光脉冲建立时间的增益开关型激光器的理论分析表明,其输出激光的时间特性仅取决于泵浦能量(密度)的水平和腔长(以及腔损耗),而与泵浦脉冲宽度和波形无关。

Temporal characteristics of the gain-switched tunable solid-state laser-theory

The temporal characteristics of tunable solid-state laser pumped by a Q-switched laser are studied theoreticall The formulas of the buildup time and the pulse-width of the oscillating mode for vibronic solid-state lasers with lifetime um-magtitude,pumped by a laser with 10 ns magtitude pulse-width which are shorter compared to the buildup time of the oscillating mode, have deduced.The theoretical model gain switch-ing model predicts that the temporal characteristics of the laser,the buildup time and the pulse-width are dependent only on the pumping energy level and cavity length.