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Atmospheric and Oceanic Optics

2019 year, number 4

Control of THz radiation divergence in laser filament

D.M. Lubenko1, V.E. Prokopev1,2, S.V. Alekseev1, M.V. Ivanov1, V.F. Losev1
1High Current Electronics Institute of the Siberian Branch of the RAS, 634055, Tomsk, 2/3, Academichesky ave.
2National Research Tomsk State University, 36, Lenin Avenue, Tomsk, 634050,Russia
Keywords: ультракороткие лазерные импульсы, ТГц-излучение, филаментация, лазерная плазма, схемы генерации ТГц-излучения, управление параметрами ТГц-излучения, ultrashort laser pulses, THz radiation, filamentation, laser plasma, optical schematics for THz generation, control of parameters of THz radiation


Conditions of THz generation in laser filament from ultrashort pulses under aberrations in one- and two-color optical scheme are observed. Possibilities of controlling THz radiation pattern by electric field and aberrations in focusing beam are discussed.