Publishing open up access presents many Added benefits, including better arrive at and readership for the function: Determined by the exceptional Homes of optical Fano resonance and plasmonic-waveguide coupling devices, this paper explores a novel refractive index concentration sensor composition. The sensor structure is made up of a metallic–insulator–steel (MIM) https://www.directivepublications.org/journal-of-applied-nanoscience/