کنفرانس مهندسی برق ایران

صفحه اصلی / سی و دومین کنفرانس بین المللی مهندسی برق

Plasmonic Refractive Index Sensor Using a Metal-Insulator-Metal Waveguide with a Disk-shaped Cavity and Silver Nanorod Defects

نویسندگان :

Mohammad Ghanavati¹ Mohammad-Azim Karami²

1- Iran University of Science and Technology (IUST) 2- Iran University of Science and Technology (IUST)

کلمات کلیدی :

Refractive index sensor،metal-insulated-metal waveguide،silver nanorod defects،plasmonic،blood glucose concentration،glucose sensitivity

چکیده :

A plasmonic refractive index (RI) sensor is simulated using a metal-insulator-metal (MIM) waveguide with a disk-shaped cavity containing silver nanorod defects. The dielectric inside the cavity has an RI of 1.3, close to the RI of glucose. The results indicate an RI sensitivity of 1242.86 nm per RI unit (RIU) and a full width at half maximum (FWHM) of 76 nm. This article also demonstrates the capability to measure blood glucose concentration, with a glucose sensitivity of 0.146 nm.L.g-1. The sensor is well-suited for applications in medicine, photonics, and optoelectronics.

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