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July 21, 2022 at 1:32 am
1162180992
Subscriber怎么将平行光束中心部分挡掉,然后再聚焦到焦点上
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July 21, 2022 at 9:59 pm
Guilin Sun
Ansys Employee你用什么聚焦呢?
如果你只是想得到空心的会聚光或者,可以添加两个不同NA的光源,令其中一个光源的初始位相为180度即可,你试一下。
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July 22, 2022 at 1:52 am
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July 22, 2022 at 5:12 pm
Guilin Sun
Ansys Employee通过改变入射孔径的方法虽然道理上说得通,但是实际仿真结果有差别。我建议直接用通过透镜后的NA来实现。此光束是多个平面波用高斯振幅光滑后的结果,我通常不建议修改光束孔径,尽管有这个参数可以调整。
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