采用Fox-Li数值迭代法，对三种激光器腔镜类型下，激光从初始状态到稳定分布的这一过程进行了MATLAB建模仿真。分析了激光器结构参数的变化对光场稳定所需的迭代次数的影响。-Using Fox-Li numerical iterative method, the three types of laser mirrors, the laser from the initial state to the stable distribution of this process modeling and simulation of MATLAB. Analysis of changes in the structural parameters of the laser light field the number of iterations required to stabilize the impact.