Femtosecond Laser Direct Writing of Turn Around Point Long Period Fiber Gratings Coated with Titanium Dioxide for Improved Sensitivity

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

doi:10.1364/OFS.2020.Th3B.5

Optical Fiber Sensors Conference 2020 Special Edition
OSA Technical Digest (Optica Publishing Group, 2020),
paper Th3B.5
•https://doi.org/10.1364/OFS.2020.Th3B.5

Femtosecond Laser Direct Writing of Turn Around Point Long Period Fiber Gratings Coated with Titanium Dioxide for Improved Sensitivity

Duarte Viveiros, José M. M. M. de Almeida, L. Coelho, Helena Vasconcelos, 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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D. Viveiros, J. M. M. M. de Almeida, L. Coelho, H. Vasconcelos, J. M. Maia, Vítor, A. Amorim, P. A. S. Jorge, and P. V. S. Marques, "Femtosecond Laser Direct Writing of Turn Around Point Long Period Fiber Gratings Coated with Titanium Dioxide for Improved Sensitivity," 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 Th3B.5.

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Abstract

The fabrication of Turn Around Point Long Period Fiber Grating in standard SMF-28e fibers through femtosecond laser direct writing is demonstrated and its sensing sensitivity is improved by coating the fiber with titanium dioxide through physical vapor deposition.

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