Influence of position of output mirror on beam of three-rod solid-state laser has been analysed by means of matrix optics, it gives the stability zone by investigating two types of resonator.

• 摘要采用矩阵光学的方法，分析了输出镜对三棒串接固体激光器输出光束的影响。对谐振腔的两种腔型进行了研究，得出了其稳定区间。