Polarization-dependent curvature sensor based on an in-fiber Mach-Zehnder interferometer with a difference arithmetic demodulation method.

@article{Shen2012PolarizationdependentCS,
  title={Polarization-dependent curvature sensor based on an in-fiber Mach-Zehnder interferometer with a difference arithmetic demodulation method.},
  author={Changyu Shen and Chuan Jie Zhong and Yang You and Jinlei Chu and Xin H. Zou and Xinyong Dong and Yongxing Jin and Jianfeng Wang and Huaping Gong},
  journal={Optics express},
  year={2012},
  volume={20 14},
  pages={15406-17}
}
A curvature sensor based on a polarization-dependent in-fiber Mach-Zehnder interferometer (MZI) is proposed. The MZI is fabricated by core-offset fusion splicing one section of polarization maintaining fiber (PMF) between two single mode fibers (SMFs). Two independent interference patterns corresponding to the two orthogonal polarization modes for the PMF are obtained. The couple efficiency between the core mode and the cladding mode decreased with the increasing of the bending on the MZI part… CONTINUE READING
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