Pressure-inducing pH sensing on fiber bragg grating sensor / Nazatul Shafinaz Kamal Ariff

This project presents an interfacing device to allow Fiber Bragg Grating function as a chemical sensor. Instead of using chemical to light conversion, this project is developed using chemical to physical conversion. The problem with existing chemical sensing using optical sensor is the fabrication p...

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Main Author:	Kamal Ariff, Nazatul Shafinaz
Format:	Thesis
Language:	English
Published:	2014
Subjects:	TK Electrical engineering Electronics Nuclear engineering
Online Access:	https://ir.uitm.edu.my/id/eprint/98508/1/98508.pdf
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id	my-uitm-ir.98508
record_format	uketd_dc
spelling	my-uitm-ir.985082024-07-29T09:39:12Z Pressure-inducing pH sensing on fiber bragg grating sensor / Nazatul Shafinaz Kamal Ariff 2014 Kamal Ariff, Nazatul Shafinaz TK Electrical engineering. Electronics. Nuclear engineering This project presents an interfacing device to allow Fiber Bragg Grating function as a chemical sensor. Instead of using chemical to light conversion, this project is developed using chemical to physical conversion. The problem with existing chemical sensing using optical sensor is the fabrication process are complicated where the cladding of optical fiber is exposed causing vulnerability. This will cause optical chemical sensors are fragile and difficult to be mass produced. The objective of the project is to develop a chemical sensing using Fiber Bragg Grating sensor. However, the principle operation of Fiber Bragg Grating sensor is based on the shifted wavelength of the returned Bragg signal with the changes in physical measurands only such as strain, temperature and pressure. Since Fiber Bragg Grating sensor cannot be used for chemical sensing, this project are introduced a gripper as a transducer to allow Fiber Bragg Grating sensor function as chemical sensor where it will convert chemical sensing to physical sensing. The project is divided into the following scope (i) electronic to photonics interfacing and (ii) Fiber Bragg Grating gripper. To illustrate the functionality, we consider when the pH sensor is immersed into pH solution, it will create different voltage signal. The voltage response is feed to servo driver to drive a servo motor that coupled with gripper. The gripper is used to interface electronics sensor to optical signal where the gripper will induce different level of pressure on Fiber Bragg Grating sensor with difference pH solution: pH 4, pH 7, pH 10 and pH 12. The shifted wavelength is characterized according to the pressure level that induced by gripper. The pH solution of 12 showed the maximum value voltage response. As a result, the gripper induces Fiber Bragg Grating sensor with higher pressure and cause higher shifted wavelength. 2014 Thesis https://ir.uitm.edu.my/id/eprint/98508/ https://ir.uitm.edu.my/id/eprint/98508/1/98508.pdf text en public degree Universiti Teknologi MARA (UiTM) Faculty of Electrical Engineering Abdullah, Wan Fazlida Hanim
institution	Universiti Teknologi MARA
collection	UiTM Institutional Repository
language	English
advisor	Abdullah, Wan Fazlida Hanim
topic	TK Electrical engineering Electronics Nuclear engineering
spellingShingle	TK Electrical engineering Electronics Nuclear engineering Kamal Ariff, Nazatul Shafinaz Pressure-inducing pH sensing on fiber bragg grating sensor / Nazatul Shafinaz Kamal Ariff
description	This project presents an interfacing device to allow Fiber Bragg Grating function as a chemical sensor. Instead of using chemical to light conversion, this project is developed using chemical to physical conversion. The problem with existing chemical sensing using optical sensor is the fabrication process are complicated where the cladding of optical fiber is exposed causing vulnerability. This will cause optical chemical sensors are fragile and difficult to be mass produced. The objective of the project is to develop a chemical sensing using Fiber Bragg Grating sensor. However, the principle operation of Fiber Bragg Grating sensor is based on the shifted wavelength of the returned Bragg signal with the changes in physical measurands only such as strain, temperature and pressure. Since Fiber Bragg Grating sensor cannot be used for chemical sensing, this project are introduced a gripper as a transducer to allow Fiber Bragg Grating sensor function as chemical sensor where it will convert chemical sensing to physical sensing. The project is divided into the following scope (i) electronic to photonics interfacing and (ii) Fiber Bragg Grating gripper. To illustrate the functionality, we consider when the pH sensor is immersed into pH solution, it will create different voltage signal. The voltage response is feed to servo driver to drive a servo motor that coupled with gripper. The gripper is used to interface electronics sensor to optical signal where the gripper will induce different level of pressure on Fiber Bragg Grating sensor with difference pH solution: pH 4, pH 7, pH 10 and pH 12. The shifted wavelength is characterized according to the pressure level that induced by gripper. The pH solution of 12 showed the maximum value voltage response. As a result, the gripper induces Fiber Bragg Grating sensor with higher pressure and cause higher shifted wavelength.
format	Thesis
qualification_level	Bachelor degree
author	Kamal Ariff, Nazatul Shafinaz
author_facet	Kamal Ariff, Nazatul Shafinaz
author_sort	Kamal Ariff, Nazatul Shafinaz
title	Pressure-inducing pH sensing on fiber bragg grating sensor / Nazatul Shafinaz Kamal Ariff
title_short	Pressure-inducing pH sensing on fiber bragg grating sensor / Nazatul Shafinaz Kamal Ariff
title_full	Pressure-inducing pH sensing on fiber bragg grating sensor / Nazatul Shafinaz Kamal Ariff
title_fullStr	Pressure-inducing pH sensing on fiber bragg grating sensor / Nazatul Shafinaz Kamal Ariff
title_full_unstemmed	Pressure-inducing pH sensing on fiber bragg grating sensor / Nazatul Shafinaz Kamal Ariff
title_sort	pressure-inducing ph sensing on fiber bragg grating sensor / nazatul shafinaz kamal ariff
granting_institution	Universiti Teknologi MARA (UiTM)
granting_department	Faculty of Electrical Engineering
publishDate	2014
url	https://ir.uitm.edu.my/id/eprint/98508/1/98508.pdf
_version_	1811768927450038272

Pressure-inducing pH sensing on fiber bragg grating sensor / Nazatul Shafinaz Kamal Ariff

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