We found the beam quality factor M2 of the fundamental mode as a function of wavelength is U-shaped in the working photo......

在光体模型（ＨＭＯ）的理论基础上，引用等效高斯光束方法。研究了傍轴光束的薄透镜传输的统计行为，给出了像差的处理方法并讨论了像差对光束质......