title: Overall degree of coherence for vectorial electromagnetic fields and the Wigner function.
abstract: We elaborate the overall degree of coherence for vectorial electromagnetic waves within paraxial approximation, expressing it in terms of a polarization Wigner function and the spatial-angular Stokes parameters.
authors.affiliation: Departamento de Optica, Facultad de Ciencias Físicas, Universidad Complutense, Madrid, Spain. alluis@fis.ucm.es
authors.forename: Alfredo
authors.initials: A
authors.lastname: Luis