The results show that the resonator parameters changed significantly due to thermal deformation of the mirrors, and the central intensities of the far fields reduced obviously with thermal deformation increase.

• 计算结果表明：在激光束辐照的开始阶段，温升场主要集中在激光束辐照的中心区域内，在整个镜面上远未拉平，由此引起的厚度方向温升分布也是如此，很不均匀。