Refractive index measurements of ethanol-water binary liquid solutions using a graded-index fiber tip sensorLiliana Soares, Cristina Cunha, Susana Novais, António Ferreira, Orlando Frazão and and Susana SilvaEPJ Web Conf., 287 (2023) 09038DOI: https://doi.org/10.1051/epjconf/202328709038