We have an exciting announcement about badges coming in May 2025. Until then, we will temporarily stop issuing new badges for course completions and certifications. However, all completions will be recorded and fulfilled after May 2025.

Ansys Learning Forum Forums Discuss Simulation Photonics – Chinese 超表面凹透镜和超表面凸透镜 Reply To: 超表面凹透镜和超表面凸透镜

Guilin Sun
Ansys Employee

应该是位相的正负号决定的:

一般教科书和文献很少讲负透镜的位相,请参考傅里叶光学有关内容。