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Ansys Learning Forum Forums Discuss Simulation Photonics – Chinese FDTD中近场,远场的仿真结果无法解释实验中近场远场结果 Reply To: FDTD中近场,远场的仿真结果无法解释实验中近场远场结果

Theo
Subscriber
谢谢老师对近场远场的解释。
仿真的两个图都没有被人为放大,都是80微米*64微米的尺寸。超透镜的直径是200微米,所以我目前还怀疑实验结果是由于入射光斑比较大,从而入射光和涡旋光干涉了。 此外很好奇老师说的,z=0时候近场被切割了是什么意思呢?
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