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Conferences > ACPC > 2020 > T4A > T4A.4
  • Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC)
  • OSA Technical Digest (Optica Publishing Group, 2020),
  • paper T4A.4
  • •https://doi.org/10.1364/ACPC.2020.T4A.4

Highly birefringent fiber grating laser sensors based on femtosecond laser-inscribed in-fiber stressors

Kuikui Guo, Jun He, and Yiping Wang

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Abstract

We propose a novel dual-polarization distributed feedback fiber laser (DFB-FL) sensor based on femtosecond laser-inscribed in-fiber stressors. Simultaneous strain and temperature measurement was demonstrated by detecting the polarization beat frequency and lasing wavelength of the DFB-FL. Experimental results exhibit strain sensitivities of 34.5 kHz/µε, 1.25 pm/µε and temperature sensitivities of 684.6 kHz/°C, 11.5 pm/°C, respectively.

© 2020 The Author(s)

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