Microfiber single loop resonator for liquid sensor

Elango, Mehala (2024) Microfiber single loop resonator for liquid sensor. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This project explores the potential of a microfiber single loop resonator as a liquid sensor. The study focuses on using light sources with wavelengths of 1550nm and 1310nm, which fall within the acceptance wavelength range. The sensor is designed by tapering the fiber to create a microfiber and forming it into a single loop shape. The transmission of light through the sensor is influenced by the total internal reflection phenomenon, which is dependent on the transmitted spectral wavelength. A wide range of liquid levels, spanning from 0ml to 10ml, is employed for analysis. The performance of the microfiber loop resonator is evaluated in terms of sensitivity and linearity through transmitted power analysis. The results indicate that the sensor exhibits excellent performance in liquid sensing, making it a promising solution for concentration measurement applications.

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