Temperature sensor with enhanced sensitivity by cascaded fiber optic Sagnac loops

Li-Yang Shao; Yuan Luo; Zhiyong Zhang; Xihua Zou; Bing Luo; Wei Pan; Lianshan Yan

doi:10.1117/12.2059505

2 June 2014 Temperature sensor with enhanced sensitivity by cascaded fiber optic Sagnac loops

Li-Yang Shao, Yuan Luo, Zhiyong Zhang, Xihua Zou, Bing Luo, Wei Pan, Lianshan Yan

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 915728 (2014) https://doi.org/10.1117/12.2059505
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

We demonstrate a temperature sensor with ~ 9 times sensitivity enhancement that consists of two cascaded sagnac interferometers and works analogously to a Vernier scale. Experimental results show that the temperature sensitivity is increased from -1.46 nm/°C based on a single sagnac configuration to -13.36nm/°C.

Citation Download Citation

Li-Yang Shao, Yuan Luo, Zhiyong Zhang, Xihua Zou, Bing Luo, Wei Pan, and Lianshan Yan "Temperature sensor with enhanced sensitivity by cascaded fiber optic Sagnac loops", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915728 (2 June 2014); https://doi.org/10.1117/12.2059505

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