PCF-based Fabry-Perot interferometric sensor for strain measurement under high-temperature

Ming Deng; Chang-Ping Tang; Tao Zhu; Yun-Jiang Rao

doi:10.1117/12.884847

17 May 2011 PCF-based Fabry-Perot interferometric sensor for strain measurement under high-temperature

Ming Deng, Chang-Ping Tang, Tao Zhu, Yun-Jiang Rao

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77530T (2011) https://doi.org/10.1117/12.884847
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

We report a simple and robust all-fiber in-line Fabry-Perot interferometer (FPI) with bubble cavity, which is fabricated by directly splicing a mutimode photonic crystal fiber to a conventional single mode fiber by using a commercial splicer. The fabrication process only involves fusion splicing and cleaving. The high-temperature strain characteristic of such a device is evaluated and experimental results shows that this FPI can be used as an ideal sensor for precise strain measurement under high temperatures of up to 750°C. Therefore, such a FPI sensor may find important applications in aeronautics or metallurgy areas.

Citation Download Citation

Ming Deng, Chang-Ping Tang, Tao Zhu, and Yun-Jiang Rao "PCF-based Fabry-Perot interferometric sensor for strain measurement under high-temperature", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77530T (17 May 2011); https://doi.org/10.1117/12.884847

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