I have two questions regarding calculating extinction.
1- i have calculated the sacttering, abs and extinction cross sections. i want to divide them by the area. i am confused about the area. should i include all area in FDTD region or only the part of metal rings
this is my scattering and abs. crossections curves where i should have only three peaks where they both coincide
for scattering cross section curve mutiple resonance occurs which might be due to instability in structure.
is their away to enhance it.