Design of liquid temperature sensor based on bending loss phenomenon of plastic optic fiber and electro-optic effect of Mach-Zehnder interferometer

Santosh Kumar; S. Swaminathan

doi:10.1117/12.2225737

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29 April 2016 Design of liquid temperature sensor based on bending loss phenomenon of plastic optic fiber and electro-optic effect of Mach-Zehnder interferometer

Santosh Kumar, S. Swaminathan

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Proceedings Volume 9899, Optical Sensing and Detection IV; 98991Z (2016) https://doi.org/10.1117/12.2225737
Event: SPIE Photonics Europe, 2016, Brussels, Belgium

Abstract

The efficient application of electro-optic effect in lithium niobate based Mach-Zehnder interferometer (MZI) to construct the temperature sensor is used. An experimental set up for liquid temperature sensor is proposed. Temperature dependence of the bending loss light energy in multimode micro-plastic optical fiber (m-POF) and electro-optic effect of MZI are used. The performance of sensor at different temperatures is measured. It is seen that the light output of MZI switches from one port to the other port as temperature of liquid changes from 0°C to 100°C.

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Santosh Kumar and S. Swaminathan "Design of liquid temperature sensor based on bending loss phenomenon of plastic optic fiber and electro-optic effect of Mach-Zehnder interferometer ", Proc. SPIE 9899, Optical Sensing and Detection IV, 98991Z (29 April 2016); https://doi.org/10.1117/12.2225737

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