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Enhanced scattering and absorption due to the presence of a particle close to an interface

Nir Dahan 1 Jean-Jacques Greffet 1
1 Laboratoire Charles Fabry / Naphel
LCF - Laboratoire Charles Fabry
Abstract : We study the influence of the presence of an interface on the scattering by a Rayleigh scatterer. The influence of an interface on the spontaneous emission has been known for many years. Here, we study the influence on the extinction cross-section and absorption cross-section. We provide a detailed analysis of interference and near-field effects. We show that the presence of a Rayleigh scatterer may enhance the specular reflection or specular transmission under certain conditions. Finally, we analyze the enhancement of absorption in the bulk in the presence of a small scatterer.
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https://hal-iogs.archives-ouvertes.fr/hal-00785311
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Submitted on : Tuesday, February 5, 2013 - 6:55:56 PM
Last modification on : Wednesday, October 14, 2020 - 4:19:16 AM
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Nir Dahan, Jean-Jacques Greffet. Enhanced scattering and absorption due to the presence of a particle close to an interface. Optics Express, Optical Society of America - OSA Publishing, 2012, 20, pp.A530. ⟨hal-00785311⟩

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