There are various kinds of the self-oscillations in the preamplifier system of the high power laser facility, the origins of them were analyzed in theory.

• 摘要分析了高功率激光装置预放大系统内外各种自激振荡的来源，通过理论计算和实验验证提出了各种自激振荡的抑制方法，并在实践中得到验证。