title: Spatial and temporal coherence characterization of a smoothed laser beam.
abstract: The measurement of the coherence characteristics of the speckles generated by an optically smoothed laser source is investigated. We present a new method that can be used for every kind of smoothing technique. A modified Mach-Zehnder interferometer allows us to measure both the lifetime and the spatial transverse size of the hot spots generated by a broadband and transverse multimode source. Experimental results agree well with theoretical predictions.
authors.affiliation: Commissariat à l'Energie Atomique, Centre d'Etudes Scientifiques et Techniques d'Aquitaine, Le Barp, France.
authors.forename: J
authors.initials: J
authors.lastname: Surville
authors.forename: L
authors.initials: L
authors.lastname: Videau
authors.forename: S
authors.initials: S
authors.lastname: Montant
authors.forename: C
authors.initials: C
authors.lastname: Stenz
authors.forename: C
authors.initials: C
authors.lastname: Sauteret