下一步，复制你刚才创建的图层并将它移至顶部，这个复制的图层将再次使用高斯模糊，然而，这次使用更大的半径，例如35。

Next, duplicate the layer just created and move the new layer to the top. This duplicated layer will be blurred again using the Gaussian blur Filter. However, use a higher radius such as 35 this time.

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研究了激光光斑半径、发散角的几个基本参量以及测量方法，对高斯光束的发散角测量进行重点讨论。

The study is made on the laser spot radius, several basic parameters and measurement methods. The essential discussion is focused on the divergence angles of Gaussian beams.

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文章主要针对激光光学系统设计中存在的球差对高斯光束像方束腰半径的影响进行了详细的讨论，并给出了具体关系。

The effect of spherical aberration on the radius of image beam waist in the design of laser optical system is discussed in detail, and the expression is presented.

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