Modeling of particle density in plasma filament formed by femtosecond laser pulse in air

A. A. Ilyin; S. S. Golik; K. A. Shmirko

doi:10.1117/12.2504474

13 December 2018 Modeling of particle density in plasma filament formed by femtosecond laser pulse in air

A. A. Ilyin, S. S. Golik, K. A. Shmirko

Author Affiliations +

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1083326 (2018) https://doi.org/10.1117/12.2504474
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

The temporal evolution of intensity of N₂ 337 nm and N₂⁺ 391.2 nm lines is compared with modeling results for filament plasma produced by tightly focused femtosecond laser pulse (0.9 mJ, 48 fs). Model correctly predicts enhanced emission of 1⁺ system, higher intensity of O I 777.4 nm line and dynamics of excited states density.

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A. A. Ilyin, S. S. Golik, and K. A. Shmirko "Modeling of particle density in plasma filament formed by femtosecond laser pulse in air", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1083326 (13 December 2018); https://doi.org/10.1117/12.2504474

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