Metaoptics for the spin-controlled generation of orbital angular momentum vector beams Andrea Vogliardi, Gianluca Ruffato, Daniele Bonaldo, Simone Dal Zilio and Filippo Romanato EPJ Web Conf., 287 (2023) 11008 Published online: 18 October 2023 DOI: 10.1051/epjconf/202328711008