Formation of Annular Light Bullets in a Femtosecond Vortex Beam
- Авторы: Vasiliev E.V.1, Kandidov V.P.1,2, Kompanets V.O.1, Chekalin S.V.1, Shlenov S.A.2
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Учреждения:
- Institute of Spectroscopy, Russian Academy of Sciences
- Faculty of Physics and International Laser Center, Moscow State University
- Выпуск: Том 83, № 12 (2019)
- Страницы: 1443-1449
- Раздел: Article
- URL: https://journals.rcsi.science/1062-8738/article/view/187592
- DOI: https://doi.org/10.3103/S1062873819120281
- ID: 187592
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Аннотация
The formation of annular light bullets during the filamentation of femtosecond optical vortices in a LiF crystal under conditions of anomalous group velocity dispersion is considered. Features of the spatiotemporal dynamics of pulses are described. Quantitative estimates of the parameters of light bullets are given. The mechanism of the formation of a light bullet in the first nonlinear focus is analyzed. Models of a stationary optical vortex and a slit beam are considered.
Об авторах
E. Vasiliev
Institute of Spectroscopy, Russian Academy of Sciences
Автор, ответственный за переписку.
Email: vasilev.evgeniy@physics.msu.ru
Россия, Troitsk, Moscow oblast, 108840
V. Kandidov
Institute of Spectroscopy, Russian Academy of Sciences; Faculty of Physics and International Laser Center, Moscow State University
Email: vasilev.evgeniy@physics.msu.ru
Россия, Troitsk, Moscow oblast, 108840; Moscow, 119991
V. Kompanets
Institute of Spectroscopy, Russian Academy of Sciences
Email: vasilev.evgeniy@physics.msu.ru
Россия, Troitsk, Moscow oblast, 108840
S. Chekalin
Institute of Spectroscopy, Russian Academy of Sciences
Email: vasilev.evgeniy@physics.msu.ru
Россия, Troitsk, Moscow oblast, 108840
S. Shlenov
Faculty of Physics and International Laser Center, Moscow State University
Email: vasilev.evgeniy@physics.msu.ru
Россия, Moscow, 119991
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