I was wondering while doing my undergraduate research that- if there is any way to calculate the effective material absorption loss (alpha-eff) using comsol. I know the equation, but i do not know how to calculate with it. I apologize for this silly question and I'm just an undergraduate. If it's not possible with comsol, how do i do it? What theories should I study to calculate it? It would be kind enough of anybody to help me with this!
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