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Photonics – Chinese

Photonics – Chinese

Topics related to Lumerical and more, in Chinese language.

求问fdtd仿真计算本征模式远场偏振图

    • zhangzongkun
      Subscriber

         下图横纵坐标代表波矢kx和ky,每一点都对应某能带上的一点。所以想问下老师fdtd怎么计算光子晶体的远场偏振态呀?(在微信找到的是偶极子激励,bloch边界,但老师您说这种看远场没有意义)所以想问下正确的应该怎么仿真计算呀?有没有网站案例呢(暂未找到)

    • Guilin Sun
      Ansys Employee

      远场可以看强度,振幅和角度。之前说没有意义,主要是指强度和振幅,因为结果随偶极子个数而变。

      如果只是看角度,则是可以的。

      此外,你也可以参考我的这个例子

      Equi-frequency contours of photonic crystal

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