Metasurface-based perfect vortex beams with trigonometric-function topological charge for OAM manipulation.
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DOI: 10.1364/ol.488701
Abstract: Topological charge (TC) is generally acknowledged as an important attribute of an optical vortex (OV), which indicates the twisted characterization of the wavefront. In most circumstances, the TC remains constant as an integer or fraction… read more here.
Keywords: topological charge; oam manipulation; perfect vortex; manipulation ... See more keywords