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Zhurnal Tekhnicheskoi Fiziki, 2020, Volume 90, Issue 12, Pages 1995–2001
DOI: https://doi.org/10.21883/JTF.2020.12.50113.425-19
(Mi jtf5117)
 

Theoretical and Mathematical Physics

Ion dynamics in an atmospheric source with photoionization by radiation of laser plasma

R. S. Ablizena, M. A. Monastyrskiib, M. G. Skoblinb, A. V. Pentoa, A. B. Bukharinaa, S. M. Nikiforova, A. A. Makarovc

a Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow
b Thermo Fisher Scientific (Moscow), Moscow, Russia
c Thermo Fisher Scientific, Bremen, Germany
Abstract: A pulsed source of ions with ionization of the substance under study at atmospheric pressure by the UV radiation of laser plasma is numerically simulated. The calculations are based on an original mathematical model that describes evolution of an ensemble of ions in the presence of superimposed gas-dynamic and electric fields with allowance for the Coulomb interaction. The model contains a system of the Navier–Stokes equations for gas-dynamic flows in the volume under study, the Poisson equation for the resulting distribution of electric field in such a volume, and the Lorentz equation for construction of ion trajectories from the ionization place to collecting diaphragm. Convergence of the relaxation method is demonstrated for the numerical solution of the main model equations. The dependence of ion current on applied voltage is studied. It is shown that the calculated results are in good agreement with the experimental data when finiteness of the ion lifetime due to recombination effect is taken into account.
Received: 24.12.2019
Revised: 27.05.2020
Accepted: 19.06.2020
English version:
Technical Physics, 2020, Volume 65, Issue 12, Pages 1905–1911
DOI: https://doi.org/10.1134/S1063784220120026
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: R. S. Ablizen, M. A. Monastyrskii, M. G. Skoblin, A. V. Pento, A. B. Bukharina, S. M. Nikiforov, A. A. Makarov, “Ion dynamics in an atmospheric source with photoionization by radiation of laser plasma”, Zhurnal Tekhnicheskoi Fiziki, 90:12 (2020), 1995–2001; Tech. Phys., 65:12 (2020), 1905–1911
Citation in format AMSBIB
\Bibitem{AblMonSko20}
\by R.~S.~Ablizen, M.~A.~Monastyrskii, M.~G.~Skoblin, A.~V.~Pento, A.~B.~Bukharina, S.~M.~Nikiforov, A.~A.~Makarov
\paper Ion dynamics in an atmospheric source with photoionization by radiation of laser plasma
\jour Zhurnal Tekhnicheskoi Fiziki
\yr 2020
\vol 90
\issue 12
\pages 1995--2001
\mathnet{http://mi.mathnet.ru/jtf5117}
\crossref{https://doi.org/10.21883/JTF.2020.12.50113.425-19}
\elib{https://elibrary.ru/item.asp?id=44367593}
\transl
\jour Tech. Phys.
\yr 2020
\vol 65
\issue 12
\pages 1905--1911
\crossref{https://doi.org/10.1134/S1063784220120026}
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