Analysis Of Waist-Enlarged Tapers Towards The Performance Of The Single Mode-Multimode Single Mode (SMS) Fiber Optic Sensor For Liquid Temperature Measurement

Abdul Ghafar, Ahmad Mubasyir (2019) Analysis Of Waist-Enlarged Tapers Towards The Performance Of The Single Mode-Multimode Single Mode (SMS) Fiber Optic Sensor For Liquid Temperature Measurement. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

During the last decades, there were a great achievement in the electronic communication sectors and one of them is optical fiber sensor. Optical fiber sensor has received a great attention in recent years due to their specialty on sensitivity, technology which capable to measure various conditions and immune to electromagnetic interference (EMI) or any short circuit. In addition, fiber optic sensor consumes less energy compared to the conventional sensors. In this project, fiber optic sensor (FOS) was developed and designed to measure the liquid temperature with the connection of Single mode-Multimode-Single mode (SMS) by using Waist-Enlarged Tapers. The sensitivity of the sensors was determined based on the overlap distance for waist enlargement. Five different overlap distances were been set in the conventional fiber splicer (Fujikuma FSM-60S) which are 30μm, 60μm, 90μm, 120μm and 150μm. Then, fiber optic sensors were tested in the oil. The oil was heated during experiment to vary its temperature from 30°C to 100°C. The highest sensitivity was produced by SMS sensor with overlap distance l 50μm. The sensitivity produced by two different input, 131 Onm and 1550nm for this sensor was 0.0984nm/°C and 0.0742nm/°C. From \he observation, Waist-Enlarged Tapers was affected the sensitivity produced by the sensor.

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