Curvature measurement with photonic crystal fiber based Mach-Zehnder interferometer

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

doi:10.1117/12.884852

17 May 2011 Curvature measurement with photonic crystal fiber based Mach-Zehnder interferometer

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

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77530S (2011) https://doi.org/10.1117/12.884852
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

A PCF-based MZI with regular and high-contrast fringe pattern is fabricated by splicing a section of PCF in between two SMFs with a commercial available fusion splicer. Its resonant wavelength is sensitive to external bending with a sensitivity of 3.046nm/m but independent on temperature. To that end, we also propose another kind of bending sensor with higher sensitivity of 5.129nm/m. This device is constructed by combining an LPG and an MZI with zero offset at the second splice. It is anticipated that the high sensitive structures will find applications in robot arms and artificial limbs.

Citation Download Citation

Ming Deng, Chang-Ping Tang, Tao Zhu, and Yun-Jiang Rao "Curvature measurement with photonic crystal fiber based Mach-Zehnder interferometer", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77530S (17 May 2011); https://doi.org/10.1117/12.884852

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