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Photonics – Chinese

Photonics – Chinese

Topics related to Lumerical and more, in Chinese language.

圆偏振光相位

    • yanshengshao67
      Subscriber

      请问老师,我这段代码是不是可以获得正确的圆偏振光相位

      S_pol = getresult("grating_s_parameters","S_polarization");

       

      S22_pol = S_pol.S22_Gn;

       

      Es = S22_pol(:,1);

       

      Ep = S22_pol(:,2);

       

      ER = (Ep+1i*Es)/2;

       

      EL = (Ep-1i*Es)/2;

       

      Phase_ER = angle(ER);

       

      Phase_EL = angle(EL);

    • Guilin Sun
      Ansys Employee

      这个是理论问题啊。你这样应该不能,因为你用两个线偏光只是组成了圆偏光,你改变光源位置或者监视器位置,这种算法的位相就有可能变化,但是它们的位相差应该不变,因为根据定义,圆偏光的共同位相已经踢出去了。 你试一下。

      你需要分清“绝对位相”和相对位相。

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