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Plasmonic structures based on Archimedes spiral (AS) architectures have attracted great interest to generate plasmonic vortices (PVs) carrying controllable orbital angular momentum (OAM). Recently, researches based on the single deep‐subwavelength metaparticle have provided various methods to realize PVs. However, most of the PVs structures just realize single topological charge and only a few works...
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