Self-focusing vortex beams
Zhangrong Mei, Olga Korotkova, Daomu Zhao, Yonghua Mao
Abstract
A class of wide-stationary optical sources with a specially designed degree of coherence profile is introduced for radiating spectral densities with a vortex whose core's location and size can be controlled at a specified range. This is achieved by modeling of the source coherence state as a combination of a helicoidal separable phase and a Cartesian phase factor, depending on the separation between the $ n $th power of the radius-vectors of two points.
Topics & Concepts
OpticsCoherence (philosophical gambling strategy)VortexPhysicsCartesian coordinate systemRADIUSPhase (matter)Range (aeronautics)Core (optical fiber)Separable spaceComputer scienceGeometryMathematical analysisMathematicsMaterials scienceQuantum mechanicsMeteorologyComposite materialComputer securityOrbital Angular Momentum in OpticsNear-Field Optical MicroscopyPlasmonic and Surface Plasmon Research