29 May 2013 Single fiber Bragg grating for the measurement of liquid level and temperature
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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.
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K. Srimannarayana, D. Sengupta, 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); doi: 10.1117/12.2018566; https://doi.org/10.1117/12.2018566
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