ArticleScientific reports2025
Machine learning analysis of a Fano resonance based plasmonic refractive index sensor using U shaped resonators.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Plasmonic sensors have received special consideration for refractive index (RI) measurement due to the benefits of compact footprints and high sensitivities. To fulfill such conditions, a Fano resonance (FR)-based RI sensor using plasmonic nano-structures is designed and analyzed here. The presented topology comprises a metal-insulator-metal waveguide, a U-shaped, and an inverted U-shaped resonator. The transmission spectrum is obtained utilizing the finite-difference time-domain method. Two FRs appear in the transmission spectrum that are suitable options for sensing performance. The best values of two important factors are a sensitivity of 571.4 nm/RIU and a figure of merit of 14,987 RIU
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