Chirped-pulse phase-sensitive reflectometry: hearing behind the walls with high fidelity

M. Gonzalez-Herraez; J. Pastor-Graells; A. García-Ruiz; M. R. R. Fernández-Ruiz; H. F. Martins; S. Martin-Lopez

doi:10.1117/12.2272461

23 April 2017 Chirped-pulse phase-sensitive reflectometry: hearing behind the walls with high fidelity

M. Gonzalez-Herraez, J. Pastor-Graells, A. García-Ruiz, M. R. R. Fernández-Ruiz, H. F. Martins, S. Martin-Lopez

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 1032302 (2017) https://doi.org/10.1117/12.2272461
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

We review our recent work on chirped-pulse phase-sensitive optical time-domain reflectometry along optical fibers and its application in the measurement of true nanostrain variations in the kHz frequency range over km-long fibers. We also show how this technique can be used to perform distributed photothermal measurements of gas presence in suitable microstructured fibers

Citation Download Citation

M. Gonzalez-Herraez, J. Pastor-Graells, A. García-Ruiz, M. R. R. Fernández-Ruiz, H. F. Martins, and S. Martin-Lopez "Chirped-pulse phase-sensitive reflectometry: hearing behind the walls with high fidelity", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 1032302 (23 April 2017); https://doi.org/10.1117/12.2272461

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