本文采用数值计算方法讨论了超高斯光束经椭圆环的衍射现象。
The diffraction of super Gaussian beams by an elliptic annulus is studied numerically.
还研究了超高斯光束通过近轴光学系统时，保持其形状和阶数不变的条件。
The condition has been discussed, under which SG beams preserve their shape and order, while passing through paraxial optical systems.
为说明超高斯光束的传输特性，以及光强（振幅）分布的位相的变化，进行了大量数值计算。
Numerical calculations have been performed to describe the propagation of super Gaussian (SG) beams and the changes in the intensity (amplitude) distribution and phase behavior.
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