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
Generalized Lorentz transformation in polarization optics
TL;DR: In this paper, the Stokes quadrivector of optical polarization states and the Minkovskian quadrivectors of relativistic events were compared and the equivalent in polarization theory of the vectorial form of Lorentz boost equations was established.
Journal ArticleDOI
Non-singular Mueller matrices characterizing passive systems
TL;DR: In this paper, the transmittance conditions for the matrices generated by this formalism are considered and conditions related to the elements of the polar decomposition are derived and sufficient conditions to guarantee the transitivity of the product matrix.
DissertationDOI
Spin transport and exchange coupling in ballistic magnetic multilayers
TL;DR: In this article, a set of related problems in the theory of ballistic spin transport are studied, and the authors draw special attention to the phenomenon of exchange coupling, which is interesting both from the theoretical point of view and the possible applications in spintronics.
Journal ArticleDOI
Explicit algebraic characterization of Mueller matrices
José J. Gil,Ignacio San José +1 more
TL;DR: A general explicit algebraic characterization of Mueller matrices is presented in terms of the non-negativity of a set of leading principal minors of the coherency matrix C(A) associated with the arrow form M(A] of a given Mueller matrix M.
Journal ArticleDOI
Spatial and temporal variations in vector fields
TL;DR: A new metric to characterise spatial variations occurring in a time varying vector field is introduced, and a rotationally invariant formula that quantifies temporal fluctuations within a consistent framework is derived.
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