Comparative Analysis of Ethanol Gas Sensors Based on Bloch Surface Wave and Surface Plasmon ResonanceJoão P.M. Carvalho, Miguel A.S. Almeida, João P. Mendes, Luís C.C. Coelho and José M.M.M. De AlmeidaEPJ Web Conf., 305 (2024) 00016DOI: https://doi.org/10.1051/epjconf/202430500016