Abstract
The results of experiments on the filamentation dynamics of high-power ultrashort Ti: sapphire laser pulses with wavelengths of 800 and 400 nm upon their sharp focusing in air are presented. The dependences of the position and dimensions of the plasma channel that forms in the region of the nonlinear beam focus on the laser pulse power are obtained. The spectra of the laser pulse during its filamentation are measured.
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Original Russian Text © D.V. Apeksimov, O.A. Bukin, E.E. Bykova, Yu.E. Geints, S.S. Golik, A.A. Zemlyanov, A.A. Il’in, A.M. Kabanov, G.G. Matvienko, V.K. Oshlakov, A.V. Petrov, E.B. Sokolova, 2012, published in Prikladnaya Fizika, 2012, No. 6, pp. 14–22.
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Apeksimov, D.V., Bukin, O.A., Bykova, E.E. et al. Filamentation of the focused Ti: Sapphire laser pulse in air at two harmonics. Plasma Phys. Rep. 39, 1074–1081 (2013). https://doi.org/10.1134/S1063780X13070106
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DOI: https://doi.org/10.1134/S1063780X13070106