Kinetics of dense plasma in the field of short laser pulses: A generalized approach

Astapenko V. A.; Lisitsa V. S.

doi:10.1063/5.0210407

Volume 9 Issue 5

Sep. 2024

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Astapenko V. A., Lisitsa V. S.. Kinetics of dense plasma in the field of short laser pulses: A generalized approach[J]. Matter and Radiation at Extremes, 2024, 9(5): 057801. doi: 10.1063/5.0210407

Citation:

Astapenko V. A., Lisitsa V. S.. Kinetics of dense plasma in the field of short laser pulses: A generalized approach[J]. Matter and Radiation at Extremes, 2024, 9(5): 057801. doi: 10.1063/5.0210407

Astapenko V. A., Lisitsa V. S.. Kinetics of dense plasma in the field of short laser pulses: A generalized approach[J]. Matter and Radiation at Extremes, 2024, 9(5): 057801. doi: 10.1063/5.0210407

Citation:

Astapenko V. A., Lisitsa V. S.. Kinetics of dense plasma in the field of short laser pulses: A generalized approach[J]. Matter and Radiation at Extremes, 2024, 9(5): 057801. doi: 10.1063/5.0210407

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Kinetics of dense plasma in the field of short laser pulses: A generalized approach

doi: 10.1063/5.0210407

Astapenko V. A.^{1
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Lisitsa V. S.^{1, 2, 3}

1.
Moscow Institute of Physics and Technology (National Research University), Institutskii per. 9, 141701 Dolgoprudnyi, Russia
2.
National Research Centre “Kurchatov Institute,” 123182 Moscow, Russia
3.
National Research Nuclear University MEPhI, 115409 Moscow, Russia

More Information

Corresponding author: a)Author to whom correspondence should be addressed: astval@mail.ru
Received Date: 2024-03-26
Accepted Date: 2024-05-31

Available Online: 2024-09-01

Publish Date: 2024-09-01

Abstract

Abstract

A generalized kinetic model of atomic level populations in an optically dense plasma excited by laser pulses of arbitrary duration is formulated and studied. This model is based on a nonstationary expression for the probability of excitation of an atomic transition and takes into account the effects of laser pulse penetration into an optically dense medium. A universal formula for the excitation probability as a function of time and propagation length is derived and applied to the case of a Lorentzian spectral profile of an atomic transition excited by a laser pulse with a Gaussian envelope. The features of nonstationary excitation probabilities are presented for different optical depths of the plasma, laser pulse durations, and carrier frequencies. The formulas derived here will be useful for the description of atomic populations excited by laser pulses under realistic conditions of dense plasmas.

Conflict of Interest
The authors have no conflicts to declare.
V. A. Astapenko: Conceptualization (equal); Investigation (equal); Methodology (equal). V. S. Lisitsa: Project administration (equal); Supervision (equal); Validation (equal).
Author Contributions
The data that support the findings of this study are available from the corresponding author upon reasonable request.

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References(15)

References

[1]
[2]	A. Calisti, V. A. Astapenko, and V. S. Lisitsa, “Excitation of hydrogen atom by ultrashort laser pulses in optically dense plasma,” Contrib. Plasma Phys. 57, 414–421 (2017).10.1002/ctpp.201700072
[3]	V. A. Astapenko, A. Calisti, and V. Lisitsa, “Interaction of ultra-short electromagnetic pulses with ions in hot dense plasmas,” High Energy Density Phys. 31, 59–63 (2019).10.1016/j.hedp.2019.03.002
[4]	F. B. Rosmej, V. A. Astapenko, and E. Khramov, “XFEL and HHG interaction with matter: Effects of ultrashort pulses and random spikes,” Matter Radiat. Extremes 6, 034001 (2021).10.1063/5.0046040
[5]	B. Deschaud, O. Peyrusse, and F. B. Rosmej, “Simulation of XFEL induced fluorescence spectra of hollow ions and studies of dense plasma effects,” Phys. Plasmas 27, 063303 (2020).10.1063/5.0011193
[6]	B. Deschaud, O. Peyrusse, and F. B. Rosmej, “Atomic kinetics for isochoric heating of solid aluminum under short intense XUV free electron laser irradiation,” High Energy Density Phys. 15, 22 (2015).10.1016/j.hedp.2015.03.007
[7]	B. Deschaud, O. Peyrusse, and F. B. Rosmej, “Generalized atomic processes for interaction of intense femtosecond XUV- and X-ray radiation with solids,” Europhys. Lett. 108, 53001 (2014).10.1209/0295-5075/108/53001
[8]
[9]	O. Svelto, Principles of Lasers (Springer, New York, Dordrecht, Heidelberg, London, 2010).
[10]	A. Gorbunov, E. Mukhin, J. M. Munoz Burgos et al., “Laser-induced quenching diagnostics of hydrogen atoms in fusion plasma,” Plasma Phys. Controlled Fusion 64, 115004 (2022).10.1088/1361-6587/ac89ad
[11]	A. V. Gorbunov, D. A. Shuvaev, and I. V. Moskalenko, “Determination of the electron density in the tokamak edge plasma from the time evolution of a laser-induced fluorescence signal from atomic helium,” Plasma Phys. Rep. 38(7), 574 (2012).10.1134/s1063780x12070021
[12]	J. M. Munoz Burgos, M. Griener, J. Loreau et al., “Evaluation of emission from charge-exchange between the excited states of deuterium with He+ during diagnostic of thermal helium gas beam injection and laser-induced fluorescence,” Phys. Plasmas 26, 063301 (2019).10.1063/1.5088363
[13]	R. Arkhipov, A. Pakhomov, M. Arkhipov et al., “Selective ultrafast control of multi-level quantum systems by subcycle and unipolar pulses,” Opt. Express 28, 17020–17034 (2020).10.1364/oe.393142
[14]	R. Arkhipov, A. Pakhomov, M. Arkhipov et al., “Population difference gratings created on vibrational transitions by nonoverlapping subcycle THz pulses,” Sci. Rep. 11, 1961 (2021).10.1038/s41598-021-81275-8
[15]	V. A. Astapenko and E. S. Khramov, “The generalized kinetics model for the description of the photoprocesses induced by ultrashort laser pulses,” Appl. Phys. B 129, 107 (2023).10.1007/s00340-023-08052-5