Abstract: The fast Hankel transformation algorithm is used to study the diffractive modulation property of laser beam propagation in high power laser facility.

• 文摘:利用快速汉克尔变换算法研究了高功率激光在自由空间传输过程中形成低频调制的规律，给出了衍射调制深度与光束宽度及传输距离等参数之间的变化关系。