D. R. Kharasov, D. M. Bengalskii, M. Yu. Vyatkin, O. E. Nanii, E. A. Fomiryakov, S. P. Nikitin, S. M. Popov, Yu. K. Chamorovsky, V. N. Treshchikov, “Extending the operation range of a phase-sensitive optical time-domain reflectometer by using fibre with chirped Bragg gratings”, Kvantovaya Elektronika, 50:5 (2020), 510–513 [Quantum Electron., 50:5 (2020), 510

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Kvantovaya Elektronika, 2020, Volume 50, Number 5, Pages 510–513 (Mi qe17249)

This article is cited in 14 scientific papers (total in 14 papers)

Fibre-optics and fibre-optic devices

Extending the operation range of a phase-sensitive optical time-domain reflectometer by using fibre with chirped Bragg gratings

D. R. Kharasov^ab, D. M. Bengalskii^ac, M. Yu. Vyatkin^d, O. E. Nanii^ac, E. A. Fomiryakov^ac, S. P. Nikitin^a, S. M. Popov^d, Yu. K. Chamorovsky^d, V. N. Treshchikov^a

^a "T8" LLC, Moscow
^b Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Moscow Region
^c Lomonosov Moscow State University
^d Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences

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Abstract: A record long external-disturbance detection distance of 140 km without employing optical amplifiers in the fibre line is demonstrated by a phase-sensitive optical time-domain reflectometer (Φ-OTDR) using a fibre section with inscribed chirped fibre Bragg gratings (CFBGs). This solution provides simultaneous operation of Φ-OTDR with a standard single-mode fibre at a distance of up to 100 km and with a CFBG fibre section located from the fibre line input point by at least 140 km.

Keywords: distributed sensor, fibre-optic sensor, phase-sensitive optical reflectometer, coherent reflectometer, fibre Bragg gratings, chirped fibre Bragg gratings.

Funding agency	Grant number
Ministry of Education and Science of the Russian Federation

Received: 19.12.2019

English version:
Quantum Electronics, 2020, Volume 50, Issue 5, Pages 510–513
DOI: https://doi.org/10.1070/QEL17232

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Document Type: Article

Language: Russian

Citation: D. R. Kharasov, D. M. Bengalskii, M. Yu. Vyatkin, O. E. Nanii, E. A. Fomiryakov, S. P. Nikitin, S. M. Popov, Yu. K. Chamorovsky, V. N. Treshchikov, “Extending the operation range of a phase-sensitive optical time-domain reflectometer by using fibre with chirped Bragg gratings”, Kvantovaya Elektronika, 50:5 (2020), 510–513 [Quantum Electron., 50:5 (2020), 510–513]

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This publication is cited in the following 14 articles:

Citing articles in Google Scholar: Russian citations, English citations
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