Why absorption of energy takes place at resonance condition in LSPR (Localised surface plasmon resonance)?

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Eric Finot

Be careful , do not confuse Scattering and absorption; both reduce intensity of radiation

This is the Mie scattering that is involved in this process.

Hope this will help

Eric

Sibasish Dutta

Thank you very much for clearing the confusion

Jose M Saiz

I would say that in LSPR charge oscillation increases, and so do current and losses. Very often Qabs indicates resonant activity as well as Qscat or local field intensity.