title: Quasi-homogeneous sources and geometrical optics.
abstract: It is shown that the quasi-homogeneous model of a partially coherent source predicts the same optical-intensity distribution across the Fresnel and Fraunhofer regions as would be predicted by geometrical optics.
authors.affiliation: Istituto di Fisica Facoltd di Ingegneria Universitd di Roma and Gruppo Nazionale di Struttura delta Materia, P. Aldo Moro, 5, Rome, Italy.
authors.forename: F
authors.initials: F
authors.lastname: Gori