Mesoscopic Self-Collimation under oblique incidence in hexagonal-lattice mesoscopic photonic crystal SergioIván Flores Esparza, Olivier Gauthier-Lafaye and Antoine Monmayrant EPJ Web Conf., 287 (2023) 04021 Published online: 18 October 2023 DOI: 10.1051/epjconf/202328704021