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Photonics

Photonics

Topics related to Lumerical and more.

远场平面投影

    • 1794377879
      Subscriber

      最近在做一个超透镜,扩束用的,想知道在透镜上方12.5mm处的,一个平面内的光斑能量分布,需要用哪个监视器或者函数呀,FDTD能实现吗。

      目前只看到FDTD远场投影看角度分布的例子,就是在远场一个球面上的能量分布。

    • Guilin Sun
      Ansys Employee

      可以使用farfieldexact计算任意点线面上的场分布。参见

      https://optics.ansys.com/hc/en-us/articles/360034930733-farfieldexact3d-Script-command 

      例子

      https://optics.ansys.com/hc/en-us/articles/360042160473-Focusing-with-a-single-subwavelength-aperture

      https://optics.ansys.com/hc/en-us/articles/360042160493-Bull-s-eye-aperture

      你说的能量应该是强度吧? 

      Ansys Insight: 光学强度、功率、电场强度平方的关系以及电磁能量

       

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