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Active medium in laser cavity

Posted Dec 2, 2018, 11:33 a.m. EST Wave Optics Version 5.3a 0 Replies

Lambert Li
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Hi,

I am new to Comsol, and I am working on simulation of laser cavity. When I simulate the active medium, I just set the imaginary component of refractive index to negative in material properties. And then I used ewfd.intWe to plot the total electric energy inside the structure with a range of complex refractive index. The thing is that the energy doesn't go up as I expected, it goes up and then deceases when further decease in imaginary of refractive index. Can anyone help me understand that?

0 Replies Last Post Dec 2, 2018, 11:33 a.m. EST
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Hello Lambert Li

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