Dependence of the nitrogen luminescence intensity in the filamentation region on the initial parameters of femtosecond laser emission

P. A. Babushkin; V. K. Oshlakov; A. N. Iglakova

doi:10.1117/12.2690723

17 October 2023 Dependence of the nitrogen luminescence intensity in the filamentation region on the initial parameters of femtosecond laser emission

P. A. Babushkin, V. K. Oshlakov, A. N. Iglakova

Author Affiliations +

Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1278038 (2023) https://doi.org/10.1117/12.2690723
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation

Abstract

For remote sensing of the aerosol atmosphere using method of laser-induced breakdown spectroscopy by femtosecond radiation, it is important to know the relationship between the intensity of the plasma emission in the filamentation region on the lines of an analytical pair and the initial radiation parameters. They allow finding optimal conditions for remote sensing. The report presents the results of a study of the influence of the initial energy and duration of femtosecond laser radiation on the intensity of atmospheric nitrogen emission. It is shown that for certain values of the pulse duration, the luminescence intensity of molecular nitrogen at wavelengths of 315.9, 337.1, and 357.7 nm depends weakly on variation of the initial energy.

Citation Download Citation

P. A. Babushkin, V. K. Oshlakov, and A. N. Iglakova "Dependence of the nitrogen luminescence intensity in the filamentation region on the initial parameters of femtosecond laser emission", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1278038 (17 October 2023); https://doi.org/10.1117/12.2690723

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