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Photonics – Chinese

Photonics – Chinese

Topics related to Lumerical and more, in Chinese language.

光沿着z负方向传输后再沿正方向回到原来位置时电场不一样

    • 韩伟彬
      Subscriber
      老师您好,我将光传输一段距离得到的电场作为新的光源,沿着原来的反方向传输到初始光源位置,却得不到初始光源,以下是步骤 (1)我在z=0处输入一个光源,沿着z的负方向传输,并在z=-0.6um处放置一个监视器,z=0处输入的电场分布如下,
    • Guilin Sun
      Ansys Employee

      为什么会一样呢?在第一次传播过程中就已经丢失了一些信息了,再用缺失的场作光源当然不能重现了。你看看重现光束中的波纹。仿真有很多误差源,参见 Convergence testing process for FDTD simulations 

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