Time-Expanded ΦOTDR System for Dynamic Curvature Sensing

Camilo Escobar-Vera; Miguel Soriano-Amat; Hugo F. Martins; David Barrera; Sonia Martin-Lopez; Miguel Gonzalez-Herraez; María R. Fernández-Ruiz

doi:10.1364/SENSORS.2023.STu2C.4

Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES)
Technical Digest Series (Optica Publishing Group, 2023),
paper STu2C.4
•https://doi.org/10.1364/SENSORS.2023.STu2C.4

Time-Expanded ΦOTDR System for Dynamic Curvature Sensing

Camilo Escobar-Vera, Miguel Soriano-Amat, Hugo F. Martins, David Barrera, Sonia Martin-Lopez, Miguel Gonzalez-Herraez, and María R. Fernández-Ruiz

Optical Sensors 2023

Munich Germany
30 July–3 August 2023
ISBN: 978-1-957171-24-1

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Distributed Sensors II (STu2C)

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C. Escobar-Vera, M. Soriano-Amat, H. F. Martins, D. Barrera, S. Martin-Lopez, M. Gonzalez-Herraez, and M. R. Fernández-Ruiz, "Time-Expanded ΦOTDR System for Dynamic Curvature Sensing," in Optica Sensing Congress 2023 (AIS, FTS, HISE, Sensors, ES), Technical Digest Series (Optica Publishing Group, 2023), paper STu2C.4.

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Abstract

We present a curvature sensing scheme based on time-expanded phase-sensitive optical time domain reflectometry (TE-ΦOTDR) with 10cm resolution, 125m range and 50Hz sampling rate. The proposal fills a performance gap in fiber-based shape sensors.

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