Investigating gravitational lensing diffraction in the laboratory with structured light Enrique J. Galvez, Thao Nguyen, Valeria Rodriguez-Fajardo, Kwakye Kendja, Anna Moreso Serra and Oleg Bulashenko EPJ Web Conf., 309 (2024) 11002 Published online: 31 October 2024 DOI: 10.1051/epjconf/202430911002