Publishing open up accessibility features several Advantages, which include larger get to and readership for the operate: Determined by the special properties of optical Fano resonance and plasmonic-waveguide coupling units, this paper explores a novel refractive index focus sensor structure. The sensor framework is made up of a steel–insulator–metallic (MIM) https://www.directivepublications.org/journal-of-applied-nanoscience/