A Fiber Optic Sensor On Alkaline Level Detection Using Beam-Through Technique

Isa, Nur Afiffa (2017) A Fiber Optic Sensor On Alkaline Level Detection Using Beam-Through Technique. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Fiber optic cable is a network cable that contains strands of glass fibers inside an insulated casing.Fibers have many uses in remote sensing.In some applications,the sensor is itself an optical fiber.This project concentrate on Fiber Optic Sensor (FOS) that utilization alkaline solution to determine the pH level.This project is to develop fiber optic sensor for alkaline level detection using beam-through technique and to analyses the performance of fiber optic sensor using statistical technique.This experiments involves four types of wavelength,the wavelength 850nm,1300nm,1310nm,and 1550nm. 5 parameter being used start from pH 8 until pH 12 by using two types of fiber optic cable which is single mode and multi-mode fiber optic cable.The time frame used is 30 minutes and result was taken every 1 minute until time reach 30 minutes for each wavelength.In many industries such pharmaceutical food or etc,usage of alkaline liquid in different level would be critical.The standard technique used for pH level detection was used a pH meter or litmus papers.This project will propose new technology to sense alkaline level.By using fiber optic as sensor to detect different level of alkaline would be another additional method in sensing activity.

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