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采用将硬边光阑展为有限个复高斯函数之和的方法 ,得到了拉盖尔 高斯光束通过有硬边光阑近轴ABCD光学系统中传输的近似解析公式 ,作了数值计算以说明传输公式的应用 ,并对使用该式的误差作了讨论
By using the method of displaying the hard-edge aperture as the sum of finite complex Gaussian functions, the approximate analytic formula of Laguerre-Gaussian beam passing through the ABCD optical system with the hard-edge aperture is obtained. The numerical calculation is given to illustrate the transmission The application of the formula, and the use of the type of error are discussed