TAGGED: e-field, Lumerical-FDTD, metalens, monitors
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December 21, 2021 at 8:19 amTheoSubscriber
老师您好
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December 21, 2021 at 5:21 pmGuilin SunAnsys Employee
因为后面的空气是均匀介质,一般不必要仿真如此长的距离,你只需要仿真一点距离,加一个监视器,然后用farfieldexact 计算任意距离的Ansys Insight: 关于farfieldexact及其应用。
结果很差由很多原因,其中之一就是衍射:仿真区横向尺寸(透镜直径方向)要足够大,透镜也要足够大。如果透镜很小,衍射非常严重,准直的可能性很小。注意仿真无法突破物理原理,除非你的设计全面考虑了这些。
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December 27, 2021 at 2:09 am
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December 28, 2021 at 12:30 amGuilin SunAnsys Employee
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