High Sensitivity Fiber Bragg Grating Pressure Sensor Using Thin Metal Diaphragm

Ahmad, Harith and Chong, Wu Yi and Thambiratnam, Kavintheran and Zulklifi, Mohd Zamani and Poopalan, Prabakaran and Thant, Muang Muang Myo and Harun, Sulaiman Wadi (2009) High Sensitivity Fiber Bragg Grating Pressure Sensor Using Thin Metal Diaphragm. IEEE Sensors Journal, 9 (12). pp. 1654-1659. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2009.2030388.

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Official URL: https://doi.org/10.1109/JSEN.2009.2030388


A high sensitivity pressure sensor design without a polymer transducer is demonstrated in this paper. The sensor uses a thin metal diaphragm as a pressure transducer instead of a polymer. The sensor is tested to a maximum pressure of 100 psi and has a sensitivity of 0.0115 nm/psi, which matches the calculated sensitivity of 0.0127 nm/psi. The sensor is provides accurate measurement of the pressure and shows good repeatability in its readings. The sensor is also tested at the flow loop of the University of Tulsa, and shows a good match with the pressure readings of the flow loop.

Item Type: Article
Uncontrolled Keywords: Fiber Bragg grating (FBG); Optical pressure sensor; Pressure sensor
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 30 Nov 2018 01:45
Last Modified: 30 Nov 2018 01:45
URI: http://eprints.um.edu.my/id/eprint/19781

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