Single fiber Bragg grating for the measurement of liquid level and temperature

K. Srimannarayana; D. Sengupta; M. Sai Shankar

doi:10.1117/12.2018566

29 May 2013 Single fiber Bragg grating for the measurement of liquid level and temperature

K. Srimannarayana, D. Sengupta, M. Sai Shankar

Proceedings Volume 8722, Fiber Optic Sensors and Applications X; 87220O (2013) https://doi.org/10.1117/12.2018566
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

In this work half the length of the single FBG is chemically etched and the un-etched half is glued on a cantilever. The response of the grating is investigated as a function for buoyancy force on the cantilever due to liquid level and temperature. Simultaneous measurement of liquid level and temperature is achieved from the coefficients of liquid level and temperature sensitivities obtained from the experimental results.

Citation Download Citation

K. Srimannarayana, D. Sengupta, and M. Sai Shankar "Single fiber Bragg grating for the measurement of liquid level and temperature", Proc. SPIE 8722, Fiber Optic Sensors and Applications X, 87220O (29 May 2013); https://doi.org/10.1117/12.2018566

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