Single-photon detector-based long-distance Brillouin optical time domain reflectometry

We present a long-range Brillouin optical time domain reflectometer (BOTDR) based on photon counting technology. We demonstrate experimentally the ability to perform a distributed temperature measurement, by detecting a hot spot in a thermal bath at 100 km, and the possibility to achieve measurement...

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Main Authors: Romanet Maxime, Rochat Etienne, Huy Kien Phan, Beugnot Jean-Charles
Format: Article
Language:English
Published: EDP Sciences 2023-01-01
Series:EPJ Web of Conferences
Online Access:https://www.epj-conferences.org/articles/epjconf/pdf/2023/13/epjconf_eosam2023_09013.pdf
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author Romanet Maxime
Rochat Etienne
Huy Kien Phan
Beugnot Jean-Charles
author_facet Romanet Maxime
Rochat Etienne
Huy Kien Phan
Beugnot Jean-Charles
author_sort Romanet Maxime
collection DOAJ
description We present a long-range Brillouin optical time domain reflectometer (BOTDR) based on photon counting technology. We demonstrate experimentally the ability to perform a distributed temperature measurement, by detecting a hot spot in a thermal bath at 100 km, and the possibility to achieve measurement until 120 km with a spatial resolution of 10 m. We use the slope of a fiber Bragg grating (FBG) as a frequency discriminator, to convert count rate variation into a frequency shift. A performance study of our distributed sensor as a function of spatial resolution is also presented.
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issn 2100-014X
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spelling doaj.art-2825ce5f146c475ab499d112a55819292023-11-07T10:20:48ZengEDP SciencesEPJ Web of Conferences2100-014X2023-01-012870901310.1051/epjconf/202328709013epjconf_eosam2023_09013Single-photon detector-based long-distance Brillouin optical time domain reflectometryRomanet Maxime0Rochat Etienne1Huy Kien Phan2Beugnot Jean-Charles3Femto-ST institute, CNRS UMR 6174, University of Franche-ComtéOmnisens SAFemto-ST institute, CNRS UMR 6174, University of Franche-ComtéFemto-ST institute, CNRS UMR 6174, University of Franche-ComtéWe present a long-range Brillouin optical time domain reflectometer (BOTDR) based on photon counting technology. We demonstrate experimentally the ability to perform a distributed temperature measurement, by detecting a hot spot in a thermal bath at 100 km, and the possibility to achieve measurement until 120 km with a spatial resolution of 10 m. We use the slope of a fiber Bragg grating (FBG) as a frequency discriminator, to convert count rate variation into a frequency shift. A performance study of our distributed sensor as a function of spatial resolution is also presented.https://www.epj-conferences.org/articles/epjconf/pdf/2023/13/epjconf_eosam2023_09013.pdf
spellingShingle Romanet Maxime
Rochat Etienne
Huy Kien Phan
Beugnot Jean-Charles
Single-photon detector-based long-distance Brillouin optical time domain reflectometry
EPJ Web of Conferences
title Single-photon detector-based long-distance Brillouin optical time domain reflectometry
title_full Single-photon detector-based long-distance Brillouin optical time domain reflectometry
title_fullStr Single-photon detector-based long-distance Brillouin optical time domain reflectometry
title_full_unstemmed Single-photon detector-based long-distance Brillouin optical time domain reflectometry
title_short Single-photon detector-based long-distance Brillouin optical time domain reflectometry
title_sort single photon detector based long distance brillouin optical time domain reflectometry
url https://www.epj-conferences.org/articles/epjconf/pdf/2023/13/epjconf_eosam2023_09013.pdf
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AT rochatetienne singlephotondetectorbasedlongdistancebrillouinopticaltimedomainreflectometry
AT huykienphan singlephotondetectorbasedlongdistancebrillouinopticaltimedomainreflectometry
AT beugnotjeancharles singlephotondetectorbasedlongdistancebrillouinopticaltimedomainreflectometry