Manufacturing reflection holographic couplers for see-through applications recorded in photopolymers without prisms: An experimental validationJ.J. Sirvent-Verdú, J.C. Bravo, J. Colomina-Martínez, C. Piñol-Galera, G. Nájar, C. Neipp, J. Francés, S. Gallego and A. BeléndezEPJ Web Conf., 287 (2023) 09046DOI: https://doi.org/10.1051/epjconf/202328709046