Open Access3D intensity correlations in random fields created by vortex structured beams
Author(s) -
Cristian Hernando Acevedo,
Mahed Batarseh,
Aristide Dogariu
Publication year - 2021
Publication title -
journal of the optical society of america. a, optics, image science, and vision./journal of the optical society of america. a, online
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.803
H-Index - 158
eISSN - 1520-8532
pISSN - 1084-7529
DOI - 10.1364/josaa.426531
Subject(s) - speckle pattern , coherence (philosophical gambling strategy) , spatial coherence , optics , vortex , physics , scattering , coherence theory , coherence time , optical vortex , coherence length , intensity (physics) , beam (structure) , quantum mechanics , mechanics , superconductivity
We develop an analytical model for the 3D spatial coherence function of speckle fields generated by scattering of vortex and perfect optical vortex beams. The model is general and describes the spatial coherence along both the transversal and the longitudinal directions. We found that, on propagation, the 3D spatial coherence evolves differently for the different types of initially structured beams, which may affect their use in a variety of sensing applications.