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Stimulated Raman Scattering of Chirped Ti:Sapphire Laser Pulses in BaWO4 Crystal

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Spectrum transformation of a chirped Ti:sapphire laser pulse stretched to 0.2 ns (initial duration of a transform-limited pulse of 90 fs) was experimentally studied in a tandem of BaWO4 crystals. To increase stimulated Raman scattering efficiency, broadband laser emission was used as a seed of this process. Efficiency of the Stokes component generation corresponding to the BaWO4 crystal phonon mode ν1(Ag) ≈ 925 cm–1 reached ~10%. Generation of the Stokes component corresponding to the weaker phonon mode ν3(Eg) ≈ 795 cm–1 and second Stokes components of ν1(Ag) and ν3(Eg) modes was observed. Mechanisms reducing the stimulated Raman scattering efficiency for the ν1(Ag) mode are discussed.

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Authors and Affiliations

  1. The Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, Russia

    I. O. Kinyaevskiy, L. V. Seleznev, A. V. Koribut & A. A. Ionin

  2. Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow, Russia

    E. E. Dunaeva

  3. Institute of Monitoring of Climatic and Ecological Systems of the Siberian Branch of the Russian Academy of Sciences, Tomsk, Russia

    Yu. M. Andreev

Authors
  1. I. O. Kinyaevskiy
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  2. L. V. Seleznev
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  3. A. V. Koribut
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  4. E. E. Dunaeva
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  5. Yu. M. Andreev
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  6. A. A. Ionin
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Corresponding author

Correspondence to I. O. Kinyaevskiy.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 11, pp. 67–70, November, 2021.

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Kinyaevskiy, I.O., Seleznev, L.V., Koribut, A.V. et al. Stimulated Raman Scattering of Chirped Ti:Sapphire Laser Pulses in BaWO4 Crystal. Russ Phys J 64, 2058–2061 (2022). https://doi.org/10.1007/s11182-022-02555-y

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  • DOI: https://doi.org/10.1007/s11182-022-02555-y

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