Giving rise to a set of fractional dipoles using spiral hyperbolic zone plate
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DOI: 10.1007/s11082-019-2025-3
Abstract: We demonstrate a structured spiral hyperbolic zone plate which is able to generate a set of fractional vortex dipoles. The element is created by superimposition of two perpendicular hyperbolic zone plates in horizontal and vertical… read more here.
Keywords: zone; set fractional; spiral hyperbolic; hyperbolic zone ... See more keywords