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Abstract <p>The scheme of the Brillouin analyzer based on a self-sweeping laser that allows interrogating the fiber line with a length of 50 km with an error at a level of 1.5 MHz at a measurement time of 30 s is presented. It is shown that, potentially, the line length can be extended up to 88 and 96 km when using standard and correlation processing methods, respectively.</p>

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Enhancement of the Operation Range of the Brillouin Analyzer Based on a Self-Sweeping Laser with Application of the Spatial Averaging with Equalizing

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • A. I. Krivosheev,
  • F. L. Barkov,
  • Yu. A. Konstantinov,
  • N. R. Poddubrovskii,
  • I. A. Lobach

摘要

Abstract

The scheme of the Brillouin analyzer based on a self-sweeping laser that allows interrogating the fiber line with a length of 50 km with an error at a level of 1.5 MHz at a measurement time of 30 s is presented. It is shown that, potentially, the line length can be extended up to 88 and 96 km when using standard and correlation processing methods, respectively.