title: Sufficient condition for polarization invariance of beams generated by quasi-homogeneous sources.
abstract: Conditions for invariance of the degree and the state of polarization of beams radiated by electromagnetic quasi-homogeneous sources into the far-zone are derived. An example is given relating to electromagnetic Bessel-correlated sources.
authors.affiliation: Department of Physics, University of Miami, Coral Gables, Florida 33146, USA. korotkova@physics.miami.edu
authors.forename: O
authors.initials: O
authors.lastname: Korotkova