Lateral Stress Detection Using a Tapered Fiber Mach–Zehnder Interferometer

  title={Lateral Stress Detection Using a Tapered Fiber Mach–Zehnder Interferometer},
  author={Ping Lu and Ganbin Lin and Xiaozhen Wang and Liang Yu Chen and Xiaoyi Bao},
  journal={IEEE Photonics Technology Letters},
In this letter, a novel approach to measure local lateral stress using a tapered fiber Mach-Zehnder interferometer (TFMZI) is proposed and demonstrated. The transmission spectra of the TFMZI are measured under different transverse pressures and loading positions. The responses of the TFMZI are analyzed in a spatial frequency domain by fast Fourier transform of the corresponding transmission spectra. The proposed approach allows an effective detection of lateral stress-induced fiber deformation… CONTINUE READING
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Tapered fiber Mach–Zehnder interferometer for simultaneous measurement of refractive index and temperature

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