Microwave measurements of the full amplitude scattering matrix of a complex aggregate: a database for the assessment of light scattering codes

Abstract : We present an extensive experimental study of microwave scattering by a fully characterized complex aggregate. We measured the full amplitude scattering matrix (amplitude and phase of the four elements) for a wide range of configurations. The presented results are of special interest to the light scattering community. Our experiments offer the possibility to validate numerical methods against experiments, since the geometrical and dielectric properties of the complex target are known to a high degree of precision, a situation difficult to attain in the optical regime. We analyze in detail the behaviour of amplitude and phase as a function of the scattering angle and target orientation. Furthermore, we compare different computational methods for a specific experimental configuration.
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https://hal.archives-ouvertes.fr/hal-00453661
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Submitted on : Friday, February 5, 2010 - 1:32:38 PM
Last modification on : Wednesday, April 10, 2019 - 4:18:18 PM

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Olivier Merchiers, Christelle Eyraud, Jean-Michel Geffrin, Rodolphe Vaillon, Brian Stout, et al.. Microwave measurements of the full amplitude scattering matrix of a complex aggregate: a database for the assessment of light scattering codes. Optics Express, Optical Society of America, 2010, 18 (3), pp.2056-2075. ⟨10.1364/OE.18.002056⟩. ⟨hal-00453661⟩

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