Polarimetric characterization of light and media - Physical quantities involved in polarimetric phenomena
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TLDR
An objective analysis is carried out of the matricial models representing the polarimetric properties of light and material media leading to the identification and definition of their corresponding physical quantities, using the concept of the coherency matrix, which constitutes a powerful tool for analyzing and exploiting experimental and industrial polarimetry.Abstract:
An objective analysis is carried out of the matricial models representing the polarimetric properties of light and material media leading to the identification and definition of their corresponding physical quantities, using the concept of the coherency matrix. For light, cases of homogeneous and inhomogeneous wavefront are analyzed, and a model for 3D polarimetric purity is constructed. For linear passive material media, a general model is developed on the basis that any physically realizable linear transformation of Stokes vectors is equivalent to an ensemble average of passive, deterministic nondepolarizing transformations. Through this framework, the relevant physical quantities, including indices of polarimetric purity, are identified and decoupled. Some decompositions of the whole system into a set of well-defined components are considered, as well as techniques for isolating the unknown components by means of new procedures for subtracting coherency matrices. These results and methods constitute a powerful tool for analyzing and exploiting experimental and industrial polarimetry. Some particular application examples are indicated.read more
Citations
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Journal ArticleDOI
Characteristic Features of the Solution for the Inverse Problem of Polarimetry, Based on the Generalized Equivalence Theorem
TL;DR: In this paper, the authors consider the generalized equivalence theorem for the inverse problem of polarimetry for an arbitrary homogeneous anisotropic object, and show that in the general case, this problem has two solutions corresponding to the polarization basis sets, in which the amplitude and phase anisotropy matrices are not mixed.
Journal ArticleDOI
Speckle intensity statistics for chromatic scattering media under partially polarized illumination
TL;DR: Intensity contrast in a fully developed speckle pattern resulting from the elastic scattering of a partially polarized light from a strongly scattering medium is theoretically and numerically studied.
Journal ArticleDOI
Polarimetric approach for man-made impurities detection in isotropic materials
TL;DR: In this article, a new kind of approach to reveal the presence of well-defined impurities in isotropic materials is proposed and verified against actual measurements over real samples, based on the Mueller matrix of the material sample, obtained from an ellipsometric measure.
Journal ArticleDOI
Deriving Surface Resistivity from Polarimetric SAR Data Using Dual-Input UNet
TL;DR: In this paper , the authors assessed the correlation between surface resistivity and Synthetic Aperture Radar (SAR) by applying various deep learning methods and tested their hypothesis in the Coso Geothermal Area, USA.
Proceedings ArticleDOI
On the sensitivity analysis of the Compact-Polarimetry SAR architectures for maritime targets detection
TL;DR: In this paper, a comparison among three Compact-Polarimetry (CP) Synthetic Aperture Radar (SAR) architectures is followed to analyze some polarimetric features sensitivity with respect to the ocean background variation, which is achieved as situational awareness about the environment influence on detection algorithms performance.
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