请教：如何计算泵浦光源的能量密度

- May 17, 2023 at 10:45 am
  
  WD W
  Subscriber
  
  尊敬的孙老师：
  您好！想请教您关于泵浦光源的能量密度的计算，非常感谢您能够抽出时间帮忙。
  模型中采用了No normalization，光源用的是振幅为1e7 V/m的时域平面波，如何计算出光源的能量密度（单位：J/m2）?
- May 17, 2023 at 5:27 pm
  
  Guilin Sun
  Ansys Employee
  
  你要的是能量密度还是能流密度？前者是单位体积内电磁场的能量，后者是单位时间流过单位面积的能量。
  不同教科书给出的场能量密度不太一致，因为所考虑的介质和波形不同，请你找到合适的数学表达式，然后才有可能计算。

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