When inputting light from a port, I want the line width of the light to be as cl

    • 能勢武尊


    • Guilin Sun
      Ansys Employee

      It seems you want a single frequency source?

      If you are simulating linear optics, it is not necessary to have single frequency source. Instead, you can set the monitor to record the single frequency result.


      You can also use longer pulse to narrow down the spectrum, by setting the source in time domain.


      Lastly, you can refer this example to have a quasi-monochromatic source: https://optics.ansys.com/hc/en-us/articles/360042192813-1D-cavity-laser-using-4-level-2-electron-material

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