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An All-Fiber Time Domain Reflectometer for Measuring the Length of Active Erbium Doped Optical Fibers

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Abstract

An experimental set-up was constructed based on an ytterbium pulsed laser with a passive holmium fiber shutter, which provides time-domain reflectometry research the length of active fiber samples after drawing and during storage. The possibility of studying non-uniformities in the fiber and quantifying the attenuation coefficient of the optical signal at the source wavelength is discussed. The results indicate the possibility of conducting studies of this type, as well as the potential development of reflectometers for the needs of laboratories of enterprises that produce active optical fibers commercially.

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ACKNOWLEDGMENTS

The authors thank I.A. Lobach (Institute of Automation and Electrometry SB RAS, Novosibirsk), V.V. Burdin (Perm Federal Research Center, Ural Branch, Russian Academy of Sciences and Perm National Research Polytechnic University) and I.I. Kryukov (Scientific and Educational Center of the Perm Scientific and Industrial Instrument-Making Company) for helpful discussions, and the Perm Scientific and Industrial Instrument-Making Company for providing components and samples to manufacture a scale model and tests.

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Correspondence to M. E. Belokrylov.

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The results of this study were presented and discussed at the Third International Conference “Optical Reflectometry, Metrology, and Sensing 2020” (http://or-2020.permsc.ru/, Septembe 22–24, Perm, Russia).

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Belokrylov, M.E., Konstantinov, Y.A., Latkin, K.P. et al. An All-Fiber Time Domain Reflectometer for Measuring the Length of Active Erbium Doped Optical Fibers. Instrum Exp Tech 63, 481–486 (2020). https://doi.org/10.1134/S0020441220050012

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  • DOI: https://doi.org/10.1134/S0020441220050012

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