Enhancing Temperature Sensitivity Using Cyclic Polybutylene Terephthalate- (c-PBT-) Coated Fiber Bragg Grating

Ahmad, Harith and Noor, S.F.S.M. and Arusin, A.F. and Samsudin, S.A. and Thambiratnam, Kavintheran and Chong, Wu Yi and Lim, Kok Sing and Zulkifli, Mohd Zamani (2018) Enhancing Temperature Sensitivity Using Cyclic Polybutylene Terephthalate- (c-PBT-) Coated Fiber Bragg Grating. Journal of Sensors, 2018. pp. 1-6. ISSN 1687-725X

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Official URL: https://doi.org/10.1155/2018/3790326

Abstract

A polybutylene terephthalate (c-PBT) coating for enhancing the temperature sensitivity of a fiber Bragg grating- (FBG-) based sensor is proposed and demonstrated. The coating is seen to increase the sensitivity of the proposed sensor by a factor of approximately 11 times as compared to a bare FBG, giving a Bragg wavelength shift of 0.11 nm/°C with an operating temperature ranging from 30°C to 87°C. The proposed sensor is also easy to fabricate as compared to other similarly coated FBG sensors, giving it a significant advantage for field applications with the added advantage of being easily reformed to fit various housings, making it highly desirable for multiple real-world applications.

Item Type: Article
Uncontrolled Keywords: Bragg wavelength shift; FBG sensor; Field application; Operating temperature; Polybutylene terephthalates; Real-world; Temperature sensitivity
Subjects: Q Science > QC Physics
T Technology > TP Chemical technology
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Oct 2019 09:02
Last Modified: 04 Oct 2019 09:02
URI: http://eprints.um.edu.my/id/eprint/22652

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