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On the Minimum Length of Fluorescence Enhancement upon Laser Pumping of Randomly Inhomogeneous Media

  • OPTICS AND LASER PHYSICS
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The saturation of the spectral quality of the fluorescence response of randomly inhomogeneous media to external laser pump with intensities above the random lasing threshold in a medium has been studied. It has been found that the saturation of the fluorescence spectral quality is due to a decrease in the fluorescence enhancement length in the medium to the minimum value determined by the average size of local fluorescence emitters associated with laser speckles and by radiative exchange between emitters.

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Funding

This work was supported by the Russian Science Foundation, project no. 22-29-00612.

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Authors and Affiliations

  1. Saratov State Technical University, 410054, Saratov, Russia

    D. A. Zimnyakov, S. S. Volchkov, L. A. Kochkurov & A. F. Dorogov

  2. Institute of Precision Mechanics and Control Problems, Russian Academy of Sciences, 410028, Saratov, Russia

    D. A. Zimnyakov

Authors
  1. D. A. Zimnyakov
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  2. S. S. Volchkov
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  3. L. A. Kochkurov
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  4. A. F. Dorogov
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Correspondence to D. A. Zimnyakov.

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The authors declare that they have no conflicts of interest.

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Translated by R. Tyapaev

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Zimnyakov, D.A., Volchkov, S.S., Kochkurov, L.A. et al. On the Minimum Length of Fluorescence Enhancement upon Laser Pumping of Randomly Inhomogeneous Media. Jetp Lett. 116, 71–76 (2022). https://doi.org/10.1134/S0021364022601038

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  • DOI: https://doi.org/10.1134/S0021364022601038

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