Off-axis Fiber Bragg Grating Fabricated by Femtosecond Laser Direct Writing for Torsion Sensing

Duarte Viveiros; Duarte Viveiros; José M. M. M. de Almeida; José M. M. M. de Almeida; L. Coelho; João M. Maia; João M. Maia; Vítor A. Amorim; Vítor A. Amorim; Pedro A.; S. Jorge; S. Jorge; P. V. S. Marques; P. V. S. Marques

doi:10.1364/OFS.2020.W4.2

Optical Fiber Sensors Conference 2020 Special Edition
OSA Technical Digest (Optica Publishing Group, 2020),
paper W4.2
•https://doi.org/10.1364/OFS.2020.W4.2

Off-axis Fiber Bragg Grating Fabricated by Femtosecond Laser Direct Writing for Torsion Sensing

Duarte Viveiros, José M. M. M. de Almeida, L. Coelho, João M. Maia, Vítor A. Amorim, Pedro A., S. Jorge, and P. V. S. Marques

Optical Fiber Sensors 2020

Washington, DC United States
8–12 June 2020
ISBN: 978-1-55752-307-5

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Poster Session II (W4)

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D. Viveiros, J. M. M. M. de Almeida, L. Coelho, J. M. Maia, V. A. Amorim, P. A., S. Jorge, and P. V. S. Marques, "Off-axis Fiber Bragg Grating Fabricated by Femtosecond Laser Direct Writing for Torsion Sensing," in Optical Fiber Sensors Conference 2020 Special Edition, G. Cranch, A. Wang, M. Digonnet, and P. Dragic, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper W4.2.

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Abstract

The precise production of 4.5 μm off-axis first order FBG in an SMF-28e fiber through femtosecond laser direct writing is demonstrated. The off-axis FBG potential as sensing head for torsion sensing was successfully explored.

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