Optical fiber temperature sensor based on fiber bragg grating

It is important to study optical fiber temperature sensor based on fiber Bragg Grating. The Fiber Bragg grating sensors can offer highly sensitive, cost effective solutions for optical sensing. While fiber Bragg gratings have been implemented in various sensing applications over the past few decades...

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主要作者: Sadeq Al-musaw, Sadeq Thamer
格式: Thesis
語言:English
English
English
出版: 2018
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spelling my-uthm-ep.4472021-07-25T06:30:19Z Optical fiber temperature sensor based on fiber bragg grating 2018-12 Sadeq Al-musaw, Sadeq Thamer TA1501-1820 Applied optics. Photonics It is important to study optical fiber temperature sensor based on fiber Bragg Grating. The Fiber Bragg grating sensors can offer highly sensitive, cost effective solutions for optical sensing. While fiber Bragg gratings have been implemented in various sensing applications over the past few decades, recent efforts explore the limits of reflected and transmitted for FBG sensors. The FBG temperature sensor, is essential to establish the smallest distance of single mode fibre in order to reduce optical losses of the FBG system. One of the most generally used deployed optical sensors is the fiber Bragg grating, with optical circulator, ASE source and OSA, the FBG which reflects a wavelength of light that shifts in response to variations in temperature. The advantage of reflection that its can easily detect the Bragg reflected signal. The FBG is very sensitive to variations in temperature degrees over a temperature range of (30–60) °C. The variation of wavelength of an fiber Bragg grating is caused by the temperature. Moreover, change in temperature affect both the effective refractive and grating period of an FBG, which result in a shift in the reflected wavelength. Moreover, most of the existing FBG sensors systems on the market provide a limited wavelength resolution Therefore, it is the purpose of this thesis to enhance the grating sensors sensitivity to temperature. In addition, the purpose to make a small comparison between the transmitted and reflected spectrum. It is apparent that any shift in the Bragg wavelength is influenced by the temperature. Moreover, the sensitivity was calculated equal to 17.1pm°C with SNR equal to 13.7 dB based on the reflection spectrum. 2018-12 Thesis http://eprints.uthm.edu.my/447/ http://eprints.uthm.edu.my/447/1/24p%20SADEQ%20THAMER%20SADEQ%20AL-MUSAWI.pdf text en public http://eprints.uthm.edu.my/447/2/SADEQ%20THAMER%20SADEQ%20AL-MUSAWI%20COPYRIGHT%20DECLARATION.pdf text en staffonly http://eprints.uthm.edu.my/447/3/SADEQ%20THAMER%20SADEQ%20AL-MUSAWI%20WATERMARK.pdf text en validuser mphil masters Universiti Tun Hussein Onn Malaysia Faculty of Electrical and Electronic Engineering
institution Universiti Tun Hussein Onn Malaysia
collection UTHM Institutional Repository
language English
English
English
topic TA1501-1820 Applied optics
Photonics
spellingShingle TA1501-1820 Applied optics
Photonics
Sadeq Al-musaw, Sadeq Thamer
Optical fiber temperature sensor based on fiber bragg grating
description It is important to study optical fiber temperature sensor based on fiber Bragg Grating. The Fiber Bragg grating sensors can offer highly sensitive, cost effective solutions for optical sensing. While fiber Bragg gratings have been implemented in various sensing applications over the past few decades, recent efforts explore the limits of reflected and transmitted for FBG sensors. The FBG temperature sensor, is essential to establish the smallest distance of single mode fibre in order to reduce optical losses of the FBG system. One of the most generally used deployed optical sensors is the fiber Bragg grating, with optical circulator, ASE source and OSA, the FBG which reflects a wavelength of light that shifts in response to variations in temperature. The advantage of reflection that its can easily detect the Bragg reflected signal. The FBG is very sensitive to variations in temperature degrees over a temperature range of (30–60) °C. The variation of wavelength of an fiber Bragg grating is caused by the temperature. Moreover, change in temperature affect both the effective refractive and grating period of an FBG, which result in a shift in the reflected wavelength. Moreover, most of the existing FBG sensors systems on the market provide a limited wavelength resolution Therefore, it is the purpose of this thesis to enhance the grating sensors sensitivity to temperature. In addition, the purpose to make a small comparison between the transmitted and reflected spectrum. It is apparent that any shift in the Bragg wavelength is influenced by the temperature. Moreover, the sensitivity was calculated equal to 17.1pm°C with SNR equal to 13.7 dB based on the reflection spectrum.
format Thesis
qualification_name Master of Philosophy (M.Phil.)
qualification_level Master's degree
author Sadeq Al-musaw, Sadeq Thamer
author_facet Sadeq Al-musaw, Sadeq Thamer
author_sort Sadeq Al-musaw, Sadeq Thamer
title Optical fiber temperature sensor based on fiber bragg grating
title_short Optical fiber temperature sensor based on fiber bragg grating
title_full Optical fiber temperature sensor based on fiber bragg grating
title_fullStr Optical fiber temperature sensor based on fiber bragg grating
title_full_unstemmed Optical fiber temperature sensor based on fiber bragg grating
title_sort optical fiber temperature sensor based on fiber bragg grating
granting_institution Universiti Tun Hussein Onn Malaysia
granting_department Faculty of Electrical and Electronic Engineering
publishDate 2018
url http://eprints.uthm.edu.my/447/1/24p%20SADEQ%20THAMER%20SADEQ%20AL-MUSAWI.pdf
http://eprints.uthm.edu.my/447/2/SADEQ%20THAMER%20SADEQ%20AL-MUSAWI%20COPYRIGHT%20DECLARATION.pdf
http://eprints.uthm.edu.my/447/3/SADEQ%20THAMER%20SADEQ%20AL-MUSAWI%20WATERMARK.pdf
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