Abstract
Dynamics of erosion laser plasma in vacuum and generation of magnetic field by moving plasma (in particular, in the presence of external static magnetic field oriented along the direction of plasma motion) are experimentally studied. Radial confinement of the spread of plasma, a decrease in the electrification of target upon plasma formation, and an increase in the induction of the plasma magnetic field by a factor of 10–15 are revealed at an induction of the external magnetic field of about 0.35 T. Dependences of the induction of the plasma magnetic field on the power density of the laser radiation are determined for the above regimes.
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Original Russian Text © A.N. Chumakov, P.V. Chekan, 2018, published in Zhurnal Tekhnicheskoi Fiziki, 2018, Vol. 63, No. 2, pp. 265–267.
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Chumakov, A.N., Chekan, P.V. Effect of Longitudinal Magnetic Field on the Spread of Erosion Laser Plasma in Vacuum and Generation of Plasma Magnetic Fields. Tech. Phys. 63, 257–259 (2018). https://doi.org/10.1134/S1063784218020081
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DOI: https://doi.org/10.1134/S1063784218020081