At the same pumping position, the laser mode changes from the high order to the low order Hermite-Gaussian mode because of the heat domino effect becoming prominent as the LD current increase.

• 激光输出模式从低阶向高阶厄米-高斯模转变，并且在相同的泵浦光偏离位置下，随着泵浦光电流的增大，晶体热效应显著，模式竞争加剧，会出现高阶向低阶厄米-高斯模的转变。