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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Modelled scattering cross-sections assuming Astrios EQ collection optics. Displayed are the scattering cross-sections of 40 nm, 60 nm, 80 nm Au (red) and Ag (blue) spheres and 100 nm polystyrene spheres (black).