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

This article is cited in 1 scientific paper (total in 1 paper)

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. Kharasovab, D. M. Bengalskiiac, M. Yu. Vyatkind, O. E. Naniiac, E. A. Fomiryakovac, S. P. Nikitina, S. M. Popovd, Yu. K. Chamorovskyd, V. N. Treshchikova

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

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


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English version:
Quantum Electronics, 2020, 50:5, 510–513

Bibliographic databases:

Received: 19.12.2019

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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  • http://mi.mathnet.ru/eng/qe/v50/i5/p510

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    This publication is cited in the following articles:
    1. Quantum Electron., 51:2 (2021), 175–183  mathnet  crossref  isi  elib
  • Квантовая электроника Quantum Electronics
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