Ansys Assistant will be unavailable on the Learning Forum starting January 30. An upgraded version is coming soon. We apologize for any inconvenience and appreciate your patience. Stay tuned for updates.
Photonics

Photonics

Topics related to Lumerical and more.

这种图片怎么复现出来?

    • pengliang lei
      Subscriber

    • Guilin Sun
      Ansys Employee

      不知道啊,其它信息都没有,就两幅图。你好好看看这个文章吧,看看里面怎么说。

    • pengliang lei
      Subscriber
      论文中就是给了一个θ=arg(tr)。tr是透射系数,论文中提到有T=|tr|^2,但是我找了很久FDTD的仿真只有T而没有tr。其中的group index则是慢光器件的群折射率,phase shift则是透射相移。
    • Guilin Sun
      Ansys Employee

      tr是振幅透射系数,基本上就是场分量 (需要做折射率修正,参考菲涅尔系数章节了解其物理原理)。

      如果你只想找到位相,可以参考 超透镜例子或者超材料例子:

      https://optics.ansys.com/hc/en-us/articles/360042097313-Small-Scale-Metalens-Field-Propagation

      https://optics.ansys.com/hc/en-us/articles/360042097393-Metamaterial-parameter-extraction-Smith

       

    • pengliang lei
      Subscriber

      好的,谢谢了

Viewing 4 reply threads
  • The topic ‘这种图片怎么复现出来?’ is closed to new replies.
[bingo_chatbox]