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

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.

Citation Download Citation

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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