A novel fiber Michelson interferometer based on cascaded twin core fiber and side-hole fiber

Yujia Zhao; Huiyong Guo; Zhou Zheng; Lina Yue; Yimin Xu; Ai Zhou; Libo Yuan

doi:10.1117/12.2264871

23 April 2017 A novel fiber Michelson interferometer based on cascaded twin core fiber and side-hole fiber

Yujia Zhao, Huiyong Guo, Zhou Zheng, Lina Yue, Yimin Xu, Ai Zhou, Libo Yuan

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 1032374 (2017) https://doi.org/10.1117/12.2264871
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

We present and demonstrate a novel fiber Michelson interferometer based on cascaded twin core fiber (TCF) and side-hole fiber (SHF) for curvature measurement. The interferometer is fabricated by fusing the TCF and SHF. The interferometer can measure curvature and temperature by monitoring the wavelength change of interferometer spectrum. The experiment investigated sensor’s spectral responses to the curvature at different bending directions. Experimental results show that the bending sensitivities of the sensor are -6.968 nm/m^-1 and 6.978 nm/m^-1 at the bending direction of 0° and 180°, respectively. The temperature sensitivity of the interferometer is 10.37pm/°C.

Citation Download Citation

Yujia Zhao, Huiyong Guo, Zhou Zheng, Lina Yue, Yimin Xu, Ai Zhou, and Libo Yuan "A novel fiber Michelson interferometer based on cascaded twin core fiber and side-hole fiber", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 1032374 (23 April 2017); https://doi.org/10.1117/12.2264871

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