超透镜聚焦效率

- November 3, 2022 at 10:57 am
  
  xingguohua18
  Subscriber
  
  老师您好，在超透镜的最新版案例中有一部分是利用场重建来计算整个镜头的近场和远场分布，请问在这种方式中只扫描了单周期结构的光场分布，应该如何计算聚焦效率，超透镜焦平面上的功率是可以积分获得，但是光源功率是否还能用sourcepower计算？
- November 4, 2022 at 12:02 am
  
  Guilin Sun
  Ansys Employee
  
  这个还没有说明，新方法只是为了减少仿真量得到场分布，但是与实际情况是有一定区别的，stitching没有考虑有限孔径和局部周期性的影响，是按无限周期计算的。因为用了很多周期单元，此时不能仅用一个单元的光源功率，那么多个情况下这些功率是按相关叠加还是非相干叠加呢？

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