Hybrid CDM-WDM Scheme for Interrogating 2×2000 Serial FBG Sensors

Marek Götten; Marek Götten; Steffen Lochmann; Andreas Ahrens; Jan Van Roosbroeck; Johan Vlekken; Christian Vöigtlander; Eric Lindner; Bram Van Hoe; César Benavente-Peces

doi:10.1364/OFS.2020.T3.24

Optical Fiber Sensors Conference 2020 Special Edition
OSA Technical Digest (Optica Publishing Group, 2020),
paper T3.24
•https://doi.org/10.1364/OFS.2020.T3.24

Hybrid CDM-WDM Scheme for Interrogating 2×2000 Serial FBG Sensors

Marek Götten, Steffen Lochmann, Andreas Ahrens, Jan Van Roosbroeck, Johan Vlekken, Christian Vöigtlander, Eric Lindner, Bram Van Hoe, and César Benavente-Peces

Optical Fiber Sensors 2020

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

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Poster Session I (T3)

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M. Götten, S. Lochmann, A. Ahrens, J. Van Roosbroeck, J. Vlekken, C. Vöigtlander, E. Lindner, B. Van Hoe, and C. Benavente-Peces, "Hybrid CDM-WDM Scheme for Interrogating 2×2000 Serial FBG Sensors," 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 T3.24.

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Abstract

This contribution demonstrates a massive hybrid code-division multiplexing (CDM)-wavelength-division multiplexing (WDM) scheme that interrogates 2×2000 serial fiber-Bragg gratings (FBGs). The overlapping FBG spectra lead to maximum deviation errors of only 8 pm at a reflectance of 1 %.

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