title: Detection of multimode spatial correlation in PDC and application to the absolute calibration of a CCD camera.
authors.affiliation: Istituto Nazionale di Ricerca Metrologica, Strada delle Cacce 91, 10135 Torino, Italy.
authors.forename: Giorgio
authors.initials: G
authors.lastname: Brida
authors.forename: Ivo Pietro
authors.initials: IP
authors.lastname: Degiovanni
authors.forename: Marco
authors.initials: M
authors.lastname: Genovese
authors.forename: Maria Luisa
authors.initials: ML
authors.lastname: Rastello
authors.forename: Ivano
authors.initials: I
authors.lastname: Ruo-Berchera