Temperature-independent chirped FBG pressure transducer with high sensitivity

Vorathin, E. and Hafizi, Z.M. and Aizzuddin, A.M. and Zaini, Muhammad Khairol Annuar and Lim, Kok Sing (2019) Temperature-independent chirped FBG pressure transducer with high sensitivity. Optics and Lasers in Engineering, 117. pp. 49-56. ISSN 0143-8166, DOI https://doi.org/10.1016/j.optlaseng.2019.01.012.

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Official URL: https://doi.org/10.1016/j.optlaseng.2019.01.012


High sensitivity pressure transducer is always in demand in many industrial applications. In this paper, a highly sensitive temperature discriminated pressure transducer based on the use of natural rubber diaphragm and chirped fibre Bragg grating (CFBG) is proposed and demonstrated. The sensing mechanism is based on the measurement of bandwidth change and total reflection power. Results showed that the use of rubber diaphragm enhanced the sensitivity, which was experimentally obtained at -276.7 pm/kPa. Furthermore, the pressure transducer was temperature insensitive and cost-effective due to the simple demodulation technique. © 2019 Elsevier Ltd

Item Type: Article
Uncontrolled Keywords: Fibre Bragg grating (FBG); Chirped FBG; Pressure sensor; Temperature compensation
Subjects: Q Science > QC Physics
T Technology > TJ Mechanical engineering and machinery
Divisions: Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 03 Dec 2019 05:06
Last Modified: 03 Dec 2019 05:06
URI: http://eprints.um.edu.my/id/eprint/23195

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