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Measuring the orbital angular momentum of elliptical vortex beams by using a slit hexagon aperture
Orbital angular momentum Elliptical vortex beam Hexagon aperture
2013/7/3
The far- fi eld diffraction pattern of an elliptical vortex beam by a slit hexagon aperture is investigated theoretically and experimentally. It is found that the number of the dark spots or stripes i...