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On the Minimum Uncertainty of Attenuation Coefficient Measurement in a Single-Mode Optical Fiber Achievable Using Rayleigh OTDR

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Abstract

A study has been made of the accuracy of measuring the attenuation coefficient in a single-mode optical fiber using Rayleigh reflectometry. It has been theoretically established that the minimum achievable uncertainty of such measurements is determined only by the spectral properties of the probe radiation and decreases with an increase in the length of the measured fiber to the power of 1.5. A statistical analysis of the results of measuring the attenuation coefficient in different segments of a real single-mode fiber by their reflectograms demonstrates results that are consistent with theoretical conclusions. The results set limits on the minimum fiber length for which the attenuation coefficient can be measured with the required accuracy.

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Funding

This study was performed in the framework of a state task.

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Authors and Affiliations

  1. PetroFibre Limited Liability Company, 301664, Novomoskovsk, Tula oblast, Russia

    M. A. Taranov

  2. Fryazino Branch, Kotelnikov Institute of Radio Engineering and Electronics, Russian Academy of Sciences, 141190, Fryazino, Moscow oblast, Russia

    M. A. Taranov

  3. Prokhorov General Physics Institute, Russian Academy of Sciences, 119991, Moscow, Russia

    B. G. Gorshkov

  4. LLC Laboratory of Electronic and Optical Systems, 105082, Moscow, Russia

    K. M. Zhukov

  5. CJSC Institute of Information Technologies, 220030, Minsk, Belarus

    M. L. Grinshtein

Authors
  1. M. A. Taranov
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  2. B. G. Gorshkov
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  3. K. M. Zhukov
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  4. M. L. Grinshtein
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Corresponding author

Correspondence to M. A. Taranov.

Additional information

The results of this study were presented and discussed at the third international conference “Optical reflectometry, metrology and sensorics 2020” (OR2020, September 22–24, Perm, Russia, http://or-2020.perms.ru/).

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Taranov, M.A., Gorshkov, B.G., Zhukov, K.M. et al. On the Minimum Uncertainty of Attenuation Coefficient Measurement in a Single-Mode Optical Fiber Achievable Using Rayleigh OTDR. Instrum Exp Tech 63, 522–526 (2020). https://doi.org/10.1134/S0020441220040193

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  • DOI: https://doi.org/10.1134/S0020441220040193

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