Investigating gravitational lensing diffraction in the laboratory with structured lightEnrique J. Galvez, Thao Nguyen, Valeria Rodriguez-Fajardo, Kwakye Kendja, Anna Moreso Serra and Oleg BulashenkoEPJ Web Conf., 309 (2024) 11002DOI: https://doi.org/10.1051/epjconf/202430911002