A Novel Temperature-Insensitive Hydrostatic Liquid-Level Sensor Using Chirped FBG

Vorathin, E. and Hafizi, Z.M. and Aizzuddin, A.M. and Zaini, Muhammad Khairol Annuar and Lim, Kok Sing (2019) A Novel Temperature-Insensitive Hydrostatic Liquid-Level Sensor Using Chirped FBG. IEEE Sensors Journal, 19 (1). pp. 157-162. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2018.2875532.

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Official URL: https://doi.org/10.1109/JSEN.2018.2875532


A novel half-bonded chirped fiber Bragg grating on a natural rubber diaphragm has been proposed to enhance the sensitivity and to compensate the temperature effects of a hydrostatic liquid-level sensor. This innovative fabrication method is resulted in the narrowing of the bandwidth with the hydrostatic pressure sensitivity recorded at-253 pm/kPa and water column sensitivity at-0.0253 nm/cm. The bandwidth modulation measurement was insensitive to temperature variations when compared with center wavelength modulation measurement. Furthermore, the proposed hydrostatic liquid-level sensor is compatible with a low-cost photodetector.

Item Type: Article
Uncontrolled Keywords: Chirped fiber Bragg grating; Hydrostatic pressure; Liquid level; temperature compensation
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 11 Jan 2019 08:36
Last Modified: 11 Jan 2019 08:36
URI: http://eprints.um.edu.my/id/eprint/19961

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