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Photonics – Chinese

Photonics – Chinese

Topics related to Lumerical and more, in Chinese language.

倾斜光源和倾斜monitor

    • zhangzongkun
      Subscriber

      老师,想问下fdtd中能倾斜monitor吗?因为坡印廷矢量是有方向的,所以在实际中如果我们倾斜观察面,得到的输出功率应该是不同的吧?(因为其不包含平行于观察面的功率流分量)

      还有就是如果仿真中,我想要倾斜周期结构仿真透射/反射谱,这个结构一倾斜就没办法用周期边界了,不知道老师有什么解决方法吗?

    • Guilin Sun
      Ansys Employee

      正是因为不包含平行于观察面的功率流分量,因此没有必要将监视器斜放,功率是对破印廷矢量与观察面法线矢量点乘后的积分,面内部分不予考虑。

      如果一定要用倾斜的监视器,可以采用变通的方法,参见:

      https://optics.ansys.com/hc/en-us/articles/360034395134-Creating-curved-and-angled-monitors

      一般不必要。

      再有问题请给出示意图。

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