GS算法可以生成相位屏，该算法有着编程简单，收敛速度快，衍射效率高，能将高斯光转换成高阶高斯光，一阶空心高斯光，贝塞尔高斯光。(The GS algorithm can generate a phase screen. The algorithm has simple programming, fast convergence and high diffraction efficiency.GS algorithm can transform Gauss beam into　the high - order Gauss beam, the Bessel beam, and the first - order hollow Gauss beam)