Simultaneous measurement of liquid level and temperature employing a single uniform FBG

Shu, Xuewen, Sugden, Kate and Bennion, Ian (2009). Simultaneous measurement of liquid level and temperature employing a single uniform FBG. IN: Proceedings of SPIE - The International Society for Optical Engineering. GBR: SPIE.

Abstract

We report a novel liquid level sensor based on a simple uniform fiber Bragg grating by monitoring both the short-wavelength-loss peaks and its Bragg resonance. The liquid level can be measured from the amplitude changes of the short-wavelength-loss peaks, while temperature can be measured from the wavelength shift of the Bragg resonance. Such a scheme has some advantages including robustness, simplicity, flexibility in choosing sensitivity, and simultaneous temperature measurement capability.

Publication DOI: https://doi.org/10.1117/12.833528
Divisions: Engineering & Applied Sciences > Aston Institute of Photonics Technology
Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Additional Information: Copyright 2009 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Event Title: 20th International Conference on Optical Fibre Sensors
Event Type: Other
Event Dates: 2009-10-05 - 2009-10-09
Uncontrolled Keywords: Fiber Bragg gratings,Fiber optics sensors,Liquid-level sensor,Computer Science Applications,Electrical and Electronic Engineering,Electronic, Optical and Magnetic Materials,Applied Mathematics,Condensed Matter Physics
Full Text Link:
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
https://www.spi ... 3528.full?SSO=1 (Publisher URL)
Published Date: 2009-11-17
Authors: Shu, Xuewen
Sugden, Kate ( 0000-0001-6323-1082)
Bennion, Ian

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