title: Non-interferometric, non-iterative phase retrieval by Green's functions.
authors.affiliation: Institute of Applied Optics and Electronics, Cologne University of Applied Sciences, Betzdorfer Strasse 2, 50679 Cologne, Germany. johannes.frank@fh-koeln.de
authors.forename: Johannes
authors.initials: J
authors.lastname: Frank
authors.forename: Stefan
authors.initials: S
authors.lastname: Altmeyer
authors.forename: Guenther
authors.initials: G
authors.lastname: Wernicke