The Focusing property of flat-topped multi-Gaussian laser beam by lens with spherical aberration is discussed. on the basis of generalized Huygens-Fresnel Diffraction integral formula.

• 摘要利用广义惠更斯-菲涅耳衍射积分公式，研究了平顶多高斯光束通过球差透镜的聚焦特性。