A model which treated the active medium as a thick lens was established to analyze the effects of thermal lens in the resonator. By using the matrix method, the equivalent resonator performance was studied.

• 将kHz高功率固体激光器增益介质当作厚透镜处理,建立了热透镜效应分析的理论模型,使用矩阵的方法对等效热透镜腔进行分析。