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.
© 2003 Optical Society of America
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(030.4070) Coherence and statistical optics : Modes
(260.3160) Physical optics : Interference
(350.5030) Other areas of optics : Phase
Galina V. Bogatyryova, Christina V. Fel’de, Peter V. Polyanskii, Sergey A. Ponomarenko, Marat S. Soskin, and Emil Wolf, "Partially coherent vortex beams with a separable phase," Opt. Lett. 28, 878-880 (2003)