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

Kuikui Guo; Kuikui Guo; Jun He; Jun He; Yiping Wang; Yiping Wang

doi:10.1364/ACPC.2020.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

Asia Communications and Photonics Conference 2020

Beijing China
24–27 October 2020
ISBN: 978-1-943580-82-8

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Optical Fibre Sensors V (T4A)

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K. Guo, J. He, and Y. Wang, "Highly birefringent fiber grating laser sensors based on femtosecond laser-inscribed in-fiber stressors," in Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC), K. Xu, D. Simeonidou, C. Chang-Hasnain, N. Wada, X. Ren, Z. Zhukov, P. Perry Shum, Y. Ji, J. Zhang, X. Zhou, C. Lu, and L. Wosinska, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper T4A.4.

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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.

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