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用几何光学计算了柱形腔壁上的激光光斑参数，包括光斑的位置、形状、大小以及光斑内的光强分布，同时还计算了在激光注入孔的光斑参数，这对分析靶丸的初始辐射均匀性、确定腔壁上的辐照强度大小和判断能否将激光有效地注入腔内都是非常重要的
The geometrical optics was used to calculate the laser speckle parameters on the cylindrical cavity wall, including the position, shape and size of the speckle and the light intensity distribution in the speckle. Meanwhile, the speckle parameters in the laser injection hole were also calculated. Radiation uniformity, to determine the size of the cavity wall irradiation intensity and determine whether the laser can be effectively injected into the cavity are very important