title: Partially coherent vortex beams with a separable phase.
abstract: We propose and experimentally implement a method for the generation of a wide class of partially spatially coherent vortex beams whose cross-spectral density has a separable functional form in polar coordinates. We study phase singularities of the spectral degree of coherence of the new beams.
authors.affiliation: Chernovsti National University, Kotsyubinsky 2, Chernovtsi 58012, Ukraine.
authors.forename: Galina V
authors.initials: GV
authors.lastname: Bogatyryova
authors.forename: Christina V
authors.initials: CV
authors.lastname: Fel'de
authors.forename: Peter V
authors.initials: PV
authors.lastname: Polyanskii
authors.forename: Sergey A
authors.initials: SA
authors.lastname: Ponomarenko
authors.forename: Marat S
authors.initials: MS
authors.lastname: Soskin
authors.forename: Emil
authors.initials: E
authors.lastname: Wolf