High sensitivity optical fiber microring sensor based on Whispering-Gallery mode for water analysis

Nedjmeddine Ammar Merabet; Lynda Cherbi-Bazi; Meriem Benlacheheb

doi:10.1117/12.2589190

18 April 2021 High sensitivity optical fiber microring sensor based on Whispering-Gallery mode for water analysis

Nedjmeddine Ammar Merabet, Lynda Cherbi-Bazi, Meriem Benlacheheb

Proceedings Volume 11772, Optical Sensors 2021; 117720T (2021) https://doi.org/10.1117/12.2589190
Event: SPIE Optics + Optoelectronics, 2021, Online Only

Abstract

In this paper, we have designed a refractive index RI sensor based on optical fiber micro-ring resonator for water analysis. Where, we have used the Finite Element Method (FEM) to simulate our design. To Asses the effects of the ideal sensor’s material, we have investigated a comparative study between the two popular materials PMMA and the Silicon, plying on the set of common performance parameters: sensitivity, FWHM, quality factor and Limit of detection(LOD) . As a result, we have found that The PMMA material has attended a maximum sensitivity equal to 763.5nm/RIU . However, the best quality factor and LOD are achived by the silicon material that are respectively given 70300 and 3.79 × 10^-4 and ultra narrow FWHM (0.024).

Conference Presentation

Citation Download Citation

Nedjmeddine Ammar Merabet, Lynda Cherbi-Bazi, and Meriem Benlacheheb "High sensitivity optical fiber microring sensor based on Whispering-Gallery mode for water analysis", Proc. SPIE 11772, Optical Sensors 2021, 117720T (18 April 2021); https://doi.org/10.1117/12.2589190

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