Sensitivity Improvement of Phi-OTDR by Fiber Cable Coils

We present a theoretical and experimental study in which we increased the sensitivity of a phase-sensitive optical time-domain reflectometer (phi-OTDR). This was achieved by constructing coils in the sensor cable, which increased the total amplitude of the impact on the fiber. We demonstrate this th...

Descripción completa

Detalles Bibliográficos
Autores principales: Stepanov, Konstantin V., Zhirnov, Andrey A., Koshelev, Kirill I., Chernutsky, Anton O., Khan, Roman I., Pnev, Alexey B.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Communication
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8587439/
https://www.ncbi.nlm.nih.gov/pubmed/34770385
http://dx.doi.org/10.3390/s21217077
_version_ 1784598142140809216
author Stepanov, Konstantin V.
Zhirnov, Andrey A.
Koshelev, Kirill I.
Chernutsky, Anton O.
Khan, Roman I.
Pnev, Alexey B.
author_facet Stepanov, Konstantin V.
Zhirnov, Andrey A.
Koshelev, Kirill I.
Chernutsky, Anton O.
Khan, Roman I.
Pnev, Alexey B.
author_sort Stepanov, Konstantin V.
collection PubMed
description We present a theoretical and experimental study in which we increased the sensitivity of a phase-sensitive optical time-domain reflectometer (phi-OTDR). This was achieved by constructing coils in the sensor cable, which increased the total amplitude of the impact on the fiber. We demonstrate this theoretically using the example of a phase-sensitive reflectometer model and practically in testing grounds with a buried nearby conventional sensor and a sensor with coils. The sensitivity increased 2.2 times. We detected 95% of events when using coils, versus 20% when using a straight cable. The suggested method does not require any modifications to the device.
format Online
Article
Text
id pubmed-8587439
institution National Center for Biotechnology Information
language English
publishDate 2021
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-85874392021-11-13 Sensitivity Improvement of Phi-OTDR by Fiber Cable Coils Stepanov, Konstantin V. Zhirnov, Andrey A. Koshelev, Kirill I. Chernutsky, Anton O. Khan, Roman I. Pnev, Alexey B. Sensors (Basel) Communication We present a theoretical and experimental study in which we increased the sensitivity of a phase-sensitive optical time-domain reflectometer (phi-OTDR). This was achieved by constructing coils in the sensor cable, which increased the total amplitude of the impact on the fiber. We demonstrate this theoretically using the example of a phase-sensitive reflectometer model and practically in testing grounds with a buried nearby conventional sensor and a sensor with coils. The sensitivity increased 2.2 times. We detected 95% of events when using coils, versus 20% when using a straight cable. The suggested method does not require any modifications to the device. MDPI 2021-10-26 /pmc/articles/PMC8587439/ /pubmed/34770385 http://dx.doi.org/10.3390/s21217077 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Communication
Stepanov, Konstantin V.
Zhirnov, Andrey A.
Koshelev, Kirill I.
Chernutsky, Anton O.
Khan, Roman I.
Pnev, Alexey B.
Sensitivity Improvement of Phi-OTDR by Fiber Cable Coils
title Sensitivity Improvement of Phi-OTDR by Fiber Cable Coils
title_full Sensitivity Improvement of Phi-OTDR by Fiber Cable Coils
title_fullStr Sensitivity Improvement of Phi-OTDR by Fiber Cable Coils
title_full_unstemmed Sensitivity Improvement of Phi-OTDR by Fiber Cable Coils
title_short Sensitivity Improvement of Phi-OTDR by Fiber Cable Coils
title_sort sensitivity improvement of phi-otdr by fiber cable coils
topic Communication
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8587439/
https://www.ncbi.nlm.nih.gov/pubmed/34770385
http://dx.doi.org/10.3390/s21217077
work_keys_str_mv AT stepanovkonstantinv sensitivityimprovementofphiotdrbyfibercablecoils
AT zhirnovandreya sensitivityimprovementofphiotdrbyfibercablecoils
AT koshelevkirilli sensitivityimprovementofphiotdrbyfibercablecoils
AT chernutskyantono sensitivityimprovementofphiotdrbyfibercablecoils
AT khanromani sensitivityimprovementofphiotdrbyfibercablecoils
AT pnevalexeyb sensitivityimprovementofphiotdrbyfibercablecoils

Ejemplares similares