给出描述光波通过傍轴光学系统衍射的柯林斯公式及其逆运算表达式。
Collins formula, which describes the diffraction of light wave passed through a near-axis optical system, and its inverse calculation expression are presented in this paper.
最后，通过理论模拟及实验研究证明了使用柯林斯公式的逆运算重构波面的可能性。
Thus, via the theoretical simulation and experimental result the possibility of wavefront reconstruction using the anti-calculation of Collins formula is proved.
并依据实验参数，用柯林斯公式对样品表面的光强分布进行了计算，所得光强分布的周期与损伤波纹的周期基本一致。
The laser intensity distribution at the mirror surface is calculated using Collins formula, with which the period of damage rings and other phenomena can be explained.
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