Femtosecond Laser Inscribed Eccentric Small-Period Long-Period Fiber Grating for Curvature and Refractive Index Sensing

Meijuan Yang; Rong Zhao; Xuewen Shu

doi:10.1364/FIO.2020.JTu1A.49

Frontiers in Optics / Laser Science
OSA Technical Digest (Optica Publishing Group, 2020),
paper JTu1A.49
•https://doi.org/10.1364/FIO.2020.JTu1A.49

Femtosecond Laser Inscribed Eccentric Small-Period Long-Period Fiber Grating for Curvature and Refractive Index Sensing

Meijuan Yang, Rong Zhao, and Xuewen Shu

Laser Science 2020

Washington, DC United States
14–17 September 2020
ISBN: 978-1-943580-80-4

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Joint Poster Session IIA (JTu1A)

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M. Yang, R. Zhao, and X. Shu, "Femtosecond Laser Inscribed Eccentric Small-Period Long-Period Fiber Grating for Curvature and Refractive Index Sensing," in Frontiers in Optics / Laser Science, B. Lee, C. Mazzali, K. Corwin, and R. Jason Jones, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper JTu1A.49.

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Abstract

An eccentric small-period long-period fiber grating sensor with a period of 36μm fabricated by femtosecond laser is reported. The sensor exhibits high sensitivity for curvature and external refractive index and low temperature cross sensitivity.

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