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The physical phenomenon of a laser beam is described, and a functional diagram of a laser is provided. The physical processes involved in the penetration of laser radiation and ways to increase the efficiency of laser radiation absorption are considered. Diagrams are provided and the physics of processes in the cathode region, column, and anode region of an electric arc are described. The features of a plasma jet and a schematic diagram of direct and indirect plasma torches are considered. The features of the physical interaction of the laser beam with plasma in the cathode region, column, and anode region are described, and a diagram of hybrid laser-plasma processes is provided. Mathematical models of hybrid laser-plasma processes are developed for coaxial and lateral positioning of the laser beam relative to of a tubular tungsten cathode. The manifestation of the synergistic effect in the interaction of the laser beam with plasma is substantiated.

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Physical Phenomenon of Laser, Arc, Plasma and Hybrid Laser-Plasma Processes

  • 章节

  • 发表日期：

    2026年

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  • Igor Krivtsun,
  • Leonid Golovko,
  • Serhii Fomichov,
  • Oleksii Kaglyak,
  • Yevgenia Chvertko

摘要

The physical phenomenon of a laser beam is described, and a functional diagram of a laser is provided. The physical processes involved in the penetration of laser radiation and ways to increase the efficiency of laser radiation absorption are considered. Diagrams are provided and the physics of processes in the cathode region, column, and anode region of an electric arc are described. The features of a plasma jet and a schematic diagram of direct and indirect plasma torches are considered. The features of the physical interaction of the laser beam with plasma in the cathode region, column, and anode region are described, and a diagram of hybrid laser-plasma processes is provided. Mathematical models of hybrid laser-plasma processes are developed for coaxial and lateral positioning of the laser beam relative to of a tubular tungsten cathode. The manifestation of the synergistic effect in the interaction of the laser beam with plasma is substantiated.