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<p>This paper presents results of experimental measurements of the spectral characteristics of stimulated Brillouin scattering (SBS) in water. It is shown that, by varying the focal waist position relative to the active medium surface, one can selectively change the frequency shift and the width of the spectral line of the SBS first Stokes component, as well as the scattering efficiency. This effect opens a possibility of fine-tuning the spectral characteristics of scattering by varying the excitation geometry of the active medium.</p>

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Changes in the Spectral Characteristics of Stimulated Brillouin Scattering with Variations in Excitation Geometry

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月12日

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  • M. Karpov,
  • A. Kudryavtseva,
  • T. Mironova,
  • A. Salaridze,
  • N. Tcherniega,
  • S. Umanskaya

摘要

This paper presents results of experimental measurements of the spectral characteristics of stimulated Brillouin scattering (SBS) in water. It is shown that, by varying the focal waist position relative to the active medium surface, one can selectively change the frequency shift and the width of the spectral line of the SBS first Stokes component, as well as the scattering efficiency. This effect opens a possibility of fine-tuning the spectral characteristics of scattering by varying the excitation geometry of the active medium.