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Интеллектуальная Система Тематического Исследования НАукометрических данных |
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We present the results of experimental and numerical investigation of LB dynamics in femtosecond filament. Strictly periodic oscillations of LBs intensity and diameter were firstly recorded under mid-IR femtosecond pulse filamentation. Measurements were performed on the base of a periodic colour-centre (CC) structures induced in an isotropic LiF crystal by a single LB, formed in the single-filamentation mode by a femtosecond mid-IR (2600 – 3350 nm) laser pulse with a power slightly exceeding the critical power for self-focusing.