Abstract
Experimental and numerical techniques allowed us to predict and verify the existence of a robust phase singularity in the spatial coherence function when a vortex is present. Though observed in the optical domain, this phenomenon may occur in any partially coherent vortex wave.
- Received 21 October 2003
DOI:https://doi.org/10.1103/PhysRevLett.92.143905
©2004 American Physical Society