Browsing by Author "Ben Salah, H."

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    Modeling and analysis of the RI sensitivity of plasmonic sensor based on MIM waveguide-coupled structure
    (IOP Publishing, 2021) Zegaar, I.; Hocini, A.; Ben Salah, H.
    In this paper, a plasmonic sensor is proposed based on a metal-insulator-metal waveguide coupled with a double-triangle resonator. The sensing structure is numerically and theoretically investigated using the two-dimensional finite difference time domain (FDTD) method. The results show the presence of a linear relationship between the materials refractive indices and the sensor's wavelength resonances. The proposed structure revealed a high sensitivity value, reaching the maximum value for mode 1 Smode1 = 1374 nm/RIU, and for mode 2 Smode2 = 2365 nm/RIU. The proposed sensor can be classified as a high-performance nano-sensor that can be used to identify different materials