有关micro-LED仿真案例透射率计算的问题

- July 12, 2023 at 4:57 pm
  
  Shijie Zhang
  Subscriber
  
  老师您好，我正在学习有关micro-LED仿真案例，链接如下：https://optics.ansys.com/hc/en-us/articles/360053540493
  首先，我对仿真中得到了一个Totol transmission的图有些疑问
  1.为什么透射率在600nm-700nm是不断波动的，我们该如何解释这一现象
  2.这里的透射率计算使用的命令是transmission，T=透过监视器的能量/sourcepower。但实际我们使用的dipole光源，实际输入的能量应该用dipolepower表示。因此图中的Total transmission是否准确呢？实际的transmission不应该是透过监视器的能量/dipolepower吗？
- July 13, 2023 at 8:55 pm
  
  Guilin Sun
  Ansys Employee
  
  此微结构相当于膜层结构，偶极子辐射产生谐振，造成有峰谷。通过不同不同偏振平均有助于减少此问题。
  你的分析正确：透过监视器的功率/dipolepower就是实际透射率T0。但是监视器无法准确知道偶极子的实际辐射功率，你得到偶极子实际辐射功率后修正一下即可：
  T0=（Totol transmission）*sourcepower/dipolepower
  其中，dipolepower可以用两种方法佐证：
  1：用函数dipolepower
  2：有6个监视器的BOX分析组计算脚本在细网格和色散材料情况下误差比较大，参见
  https://optics.ansys.com/hc/en-us/articles/360034925293-dipolepower-Script-command

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