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Tight focusing properties of linearly polarized Gaussian beam with a pair of vortices
Tight focusing High numerical-aperture Apairofvortices Vector Debye integral Topological charge
2013/7/3
The properties of a pair of vortices embedded in a Gaussian beam focused by a high numerical-aperture are studied on the basis of vector Debye integral. The vortices move and rotate in the vicinity of...
Measuring the Topological Charge of Integer and Fraction Vortices Using Multipoint Plates
vortex beams multipoint plates interference
2013/7/3
The topological charge of integral vortex beams with a single circle of multipoints has previously been measured. In this work, we theoretically and experimental study the diffraction patterns of vort...