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JOURNALS // Optics and Spectroscopy // Archive

Optics and Spectroscopy, 2025 Volume 133, Issue 11, Pages 1141–1144 (Mi os2008)

Physics Conference
Laser physics and laser optics

Atomic kinetics in plasma under the influence of laser pulses

N. N. Nagela, V. A. Astapenkob, V. S. Lisitsaa, D. S. Kutuzova

a National Research Centre "Kurchatov Institute", Moscow
b Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Moscow Region

Abstract: In this work, calculations of laser fluorescence signals on helium lines in plasma with a temperature of $\approx$ 10 eV and a density of $\approx$ 10$^{12}$ cm$^{-3}$ were performed using the generalized probability of the time evolution of the photoprocess. The laser pumping and fluorescence scheme for the plasma of the E-1 setup (a prototype of an electrodeless plasma rocket engine) was modeled for different numbers of modes in a pulse.

Keywords: laser pulse, plasma, atomic kinetics, perturbation theory.

Received: 02.05.2025
Revised: 04.07.2025
Accepted: 24.10.2025

DOI: 10.61011/OS.2025.11.62159.7989-25



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