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Ionization Processes in a Carbon Aerosol Upon Exposure to Long Laser Pulses. II

  • OPTICS AND SPECTROSCOPY
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Russian Physics Journal Aims and scope

An experimental setup and a technique for measuring the temperature and concentration of carbon and barium oxide particles in an ionized dispersed medium are described. It is shown that in a wide-aperture Nd laser beam at a wavelength of 1.06 μm with a pulse duration of ~1 ms, the ionization threshold of a carbon dispersed medium is lower than the ionization threshold of a focused beam. The ionization threshold is 5−10 times higher for the medium with barium oxide particles (with a low ionization potential) than for the medium with carbon particles for both focused and wide-aperture beams. It has been experimentally confirmed that exothermic reactions prevail over other processes during ionization of the examined media.

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Authors and Affiliations

  1. V. E. Zuev Institute of Atmospheric Optics of the Siberian Branch of the Russian Academy of Sciences, Tomsk, Russia

    S. F. Balandin & V. A. Khan

  2. V. D. Kuznetsov Siberian Physical-Technical Institute at Tomsk State University, Tomsk, Russia

    V. A. Donchenko

  3. National Research Tomsk State University, Tomsk, Russia

    V. A. Donchenko & A. I. Potekaev

  4. National Research Tomsk Polytechnic University, Tomsk, Russia

    V. F. Myshkin & V. A. Khan

  5. Academy of Logistics and Transport, Almaty, Kazakhstan

    A. K. Orazymbetova & N. A. Ospanova

Authors
  1. S. F. Balandin
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  2. V. A. Donchenko
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  3. V. F. Myshkin
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  4. A. I. Potekaev
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  5. V. A. Khan
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  6. A. K. Orazymbetova
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  7. N. A. Ospanova
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Corresponding author

Correspondence to S. F. Balandin.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 4, pp. 88–92, April, 2022.

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Balandin, S.F., Donchenko, V.A., Myshkin, V.F. et al. Ionization Processes in a Carbon Aerosol Upon Exposure to Long Laser Pulses. II. Russ Phys J 65, 683–687 (2022). https://doi.org/10.1007/s11182-022-02685-3

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  • DOI: https://doi.org/10.1007/s11182-022-02685-3

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