title: Comment on "Complete electromagnetic coherence in the space-frequency domain".
abstract: It is pointed out that a recently introduced definition of the degree of coherence of a random electromagnetic field is not a true quantitative measure of coherence.
authors.affiliation: Department of Physics and Astronomy and the Institute of Optics, University of Rochester, Rochester, New York 14627, USA.
authors.forename: Emil
authors.initials: E
authors.lastname: Wolf