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

Vorathin, E. and Z. M., Hafizi and A. M., Aizzuddin and M. K. A., Zaini and K. S., Lim (2019) A Novel Temperature-Insensitive Hydrostatic Liquid-Level Sensor Using Chirped FBG. IEEE Sensors Journal, 19 (1). pp. 157-162. ISSN 1530-437X

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Abstract

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: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Noorul Farina Arifin
Date Deposited: 02 Jan 2019 04:12
Last Modified: 02 Jan 2019 04:12
URI: http://umpir.ump.edu.my/id/eprint/23571
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