2016•Journal of Physics Conference SeriesOpen access

Interferometry diagnostics of plasma channel of femtosecond filament

Pavel A. Chizhov, V. V. Bukin, S. V. Garnov

Abstract

Results of the electron density dynamics in the plasma channel of a femtosecond filament in air, nitrogen and argon from the moment of ionization up to hundreds of picoseconds after it are presented. Anisotropy of the refractive index was found, which is preceded and accompanied by ionization of the gas at the time of passage of high-intensity femtosecond laser pulse.

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Key concepts: Femtosecond, Plasma channel, Ionization, Plasma, Atomic physics, Picosecond, Protein filament, Laser