Home Forums FDTD how to calculate normalized power transmittance

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    • #67679
      Jawaduddin Abro
      Participant

      Hi
      my design is attached here, i want to calculate the normalized power transmission with an observation line.
      I can see the graph when i open the analyzer, but i am not sure is it normalized power transmission or only power transmission.

      Thank you

      Regards
      Jawad

    • #67681
      Scott Newman
      Moderator

      When you have the Power Spectrum window open there is a control that specifies whether you are normalized or not (check means it is). By default this check is on.

      I strongly encourage you to watch our basics video which outlines much of what you are asking about with this structure, particularly in regards to analysis. This can be found at <a href=”https://www.gotostage.com/channel/d900ec5d9e904423aa1e873d8dc5df83/recording/9d2816e75e7c474a8fb8756040f92b52/watch”>https://www.gotostage.com/channel/d900ec5d9e904423aa1e873d8dc5df83/recording/9d2816e75e7c474a8fb8756040f92b52/watch</a&gt;, you will need to login.

      Scott

    • #67685
      Jawaduddin Abro
      Participant

      Hi.
      Thank you for your reply.
      But you can see in my design, Under simulation parameter i cant open the DFT SPECTRUM.
      Thats why in my analyzer also Power Spectrum button i cant open.
      Do you know the reason?
      I wil go through the video also.

      Thank you

    • #67686
      Scott Newman
      Moderator

      This would be because you are running a CW (continuous wave) source which means only one wavelength, you need to be using a pulsed source in order to get spectral data. Please refer to the webinar I linked as it does reflectance simulations and explains all of what you are asking about.

      Scott

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