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Optics and Spectroscopy, 2023, Volume 131, Issue 2, Pages 202–206
DOI: https://doi.org/10.21883/OS.2023.02.55006.6-23 (Mi os1294) 		 
This article is cited in 1 scientific paper (total in 1 paper)

International Conference "Ultrafast Optical Phenomena" (UltrafastLight-2022), October 03-07, 2022, Moscow
Nonlinear optics

Influence of focusing on transient SRS self-seed by SPM of 0.3 ps laser pulses in a BaWO$_4$ crystal

I. O. Kinyaevskya, A. V. Koributa, I. V. Gritsenkoa, A. M. Sagitovaa, M. V. Ionina, E. E. Dunaevab, A. A. Ionina

a P. N. Lebedev Physical Institute, Russian Academy of Sciences, 119991 Moscow, Russia
b Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia
Full-text PDF (331 kB) Citations (1)
DOI: https://doi.org/10.21883/OS.2023.02.55006.6-23
Abstract: The effect of focusing, taking into account self-focusing, on the interference of SRS (stimulated Raman scattering) and self-phase modulation in a 8 mm BaWO$_4$ crystal pumped by laser pulses with a duration of 0.3 ps and a wavelength of 515 nm is experimentally studied. The maximum efficiency of SRS conversion ($\sim$23%) to the Stokes component of the $\nu_1$ = 925 cm$^{-1}$ strongest mode is obtained with a lens with a focal length of 40 mm at the linear focus shift towards the rear facet of the crystal. The increase in efficiency, when the linear focus is shifted to the rear facet, is associated with an increase in the distance between the linear and nonlinear foci, which results in an increase in the effective length of the nonlinear interaction.
Keywords: stimulated Raman scattering, self-phase modulation, self-focusing, BaWO$_4$, femtosecond pulses.
Funding agency Grant number
Russian Science Foundation 22-79-10068
This study was supported by grant No. 22-79-10068 provided by the Russian Science Foundation (https://rscf.ru/en/project/22-79-10068/).
Received: 20.12.2022
Revised: 13.01.2023
Accepted: 28.01.2023
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: I. O. Kinyaevsky, A. V. Koribut, I. V. Gritsenko, A. M. Sagitova, M. V. Ionin, E. E. Dunaeva, A. A. Ionin, “Influence of focusing on transient SRS self-seed by SPM of 0.3 ps laser pulses in a BaWO$_4$ crystal”, Optics and Spectroscopy, 131:2 (2023), 202–206
Citation in format AMSBIB
\Bibitem{KinKorGri23}
\by I.~O.~Kinyaevsky, A.~V.~Koribut, I.~V.~Gritsenko, A.~M.~Sagitova, M.~V.~Ionin, E.~E.~Dunaeva, A.~A.~Ionin
\paper Influence of focusing on transient SRS self-seed by SPM of 0.3 ps laser pulses in a BaWO$_4$ crystal
\jour Optics and Spectroscopy
\yr 2023
\vol 131
\issue 2
\pages 202--206
\mathnet{http://mi.mathnet.ru/os1294}
\crossref{https://doi.org/10.21883/OS.2023.02.55006.6-23}
\elib{https://elibrary.ru/item.asp?id=53750403}
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