how to plot absorption vs. wavelengths graph?

i have made a nanocone arrays to know enhancement of absorption.
but i don’t know how to plot a graph involves absorption vs. wavelengths.

i don’t know hot to write a script for measurement of absorption.

let me know how i can do it…

Hi @12121330

For this plots you need to know the light intensity and the imaginary part of refractive index. Please see this link that discusses in details how you can calculate the absorbed power in lossy material.