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Multichannel vacuum arc discharge used for Z-pinch formation

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Abstract

Results are presented from experimental studies of the implosion dynamics and radiative characteristics of an aluminum Z-pinch formed from a plasma shell (PS). The PS with an initial diameter of 4 cm was produced with the help of a multichannel vacuum arc discharge and formed due to the evaporation of the electrode material in ten parallel arc discharges. The PS composition depended on the electrode material in the arc discharge. The described experiments were performed with aluminum electrodes. The total arc current was 80 kA. The PS implosion was provided by an IMRI-5 high-current generator with a current amplitude of 450 kA and rise time of 500 ns. The PS implosion resulted in the formation of a 0.2-cm-diameter plasma column with an electron temperature of 700–900 eV and average ion density of (5–8) × 1017 cm−3. The maximum radiation power per unit length in aluminum K-lines reached 300 MW/cm, the duration of the radiation pulse being 20 ns.

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Authors and Affiliations

  1. Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences, Akademicheskii pr. 2/3, Tomsk, 634055, Russia

    A. G. Rousskikh, R. B. Baksht, A. S. Zhigalin, V. I. Oreshkin, S. A. Chaikovsky & N. A. Labetskaya

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  1. A. G. Rousskikh
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  2. R. B. Baksht
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  3. A. S. Zhigalin
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  4. V. I. Oreshkin
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  5. S. A. Chaikovsky
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  6. N. A. Labetskaya
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Correspondence to A. G. Rousskikh.

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Original Russian Text © A.G. Rousskikh, R.B. Baksht, A.S. Zhigalin, V.I. Oreshkin, S.A. Chaikovsky, N.A. Labetskaya, 2012, published in Fizika Plazmy, 2012, Vol. 38, No. 8, pp. 651–664.

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Rousskikh, A.G., Baksht, R.B., Zhigalin, A.S. et al. Multichannel vacuum arc discharge used for Z-pinch formation. Plasma Phys. Rep. 38, 595–607 (2012). https://doi.org/10.1134/S1063780X12070094

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  • DOI: https://doi.org/10.1134/S1063780X12070094

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