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What is 3D Roughness Effects on Nanoantennas about?

This document summarizes research using COMSOL Multiphysics to model the effects of surface roughness on plasmonic nanoantennas. A moving mesh is used to apply realistic 3D roughness profiles while preserving the degrees of freedom. Simulations show that roughness does not significantly increase absorption but causes a shift in resonance wavelength. Introducing roughness profiles of ±5nm and ±10nm resulted in resonance wavelength shifts of 3-4nm and 20-30nm respectively compared to a smooth antenna model. A

Author

Jorge Cabrera

Language

EN