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Proceedings Paper

An FBG based hydrostatic pressure sensor for liquid level measurements
Author(s): D. Sengupta; M. Sai Shankar; P. Saidi Reddy; R. L. N. Sai Prasad; K. Srimannarayana
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Paper Abstract

A small and simple hydrostatic pressure sensor using fiber Bragg grating sensor for liquid level sensing is reported. The working principle of the sensor head design is based on transferring hydrostatic radial pressure to axial strain to the FBG. An FBG written in a fiber of diameter 50μm has been used for the measurement. The experimental result shows that sensitivity of the sensor can reach 23pm/cm of liquid column. The sensor can be useful in applications that involved with less hydrostatic pressure, like a tank with inflammable liquid in a fuel gas station.

Paper Details

Date Published: 26 April 2012
PDF: 5 pages
Proc. SPIE 8426, Microstructured and Specialty Optical Fibres, 84260C (26 April 2012); doi: 10.1117/12.922164
Show Author Affiliations
D. Sengupta, National Institute of Technology, Warangal (India)
M. Sai Shankar, National Institute of Technology, Warangal (India)
P. Saidi Reddy, National Institute of Technology, Warangal (India)
R. L. N. Sai Prasad, National Institute of Technology, Warangal (India)
K. Srimannarayana, National Institute of Technology, Warangal (India)

Published in SPIE Proceedings Vol. 8426:
Microstructured and Specialty Optical Fibres
Kyriacos Kalli; Alexis Mendez, Editor(s)

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