Formation of tight plasma pinches and generation of high-power soft x-ray radiation pulses in fast Z-pinch implosions

A. V. Shishlov, R. B. Baksht, S. A. Chaikovsky, A. V. Fedunin, F. I. Fursov, V. A. Kokshenev, N. E. Kurmaev, A. Yu Labetsky, V. I. Oreshkin, N. A. Ratakhin, A. G. Russkikh, S. V. Shlykhtun

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Abstract

Argon K-shell plasma radiation source experiments were carried out on the GIT-12 generator [Bugaev, S.P. et al., 1997, Russian Phys. Journal, 40, 38] for a long (300 ns) implosion regime. The performance of a shell-on-solid-fill double gas puff was characterized in the experiments with and without an external axial magnetic field. The maximum Ar K-shell radiation yield registered in the experiments without an axial magnetic field was at the level of 1100 J/cm. This yield is consistent with the theoretically predicted yield for a short (100 ns) implosion regime. The experiments showed that the initial magnetic field which provides stabilization of the shell-on-solid-fill double gas puff was lower than that required for stabilization of a single annular gas puff. Satisfactory stabilization of the double gas puff was observed at an initial axial magnetic field of 1.4 kG. The maximum Ar K-shell radiation yield registered in the experiments with the axial magnetic field did not exceed 400 J/cm. A sharp reduction of the K-shell yield cannot be explained only by taking into account the energy losses associated with the compression of the axial magnetic field.

Original languageEnglish
Pages (from-to)183-193
Number of pages11
JournalLaser Physics
Volume16
Issue number1
DOIs
Publication statusPublished - 1 Jan 2006
Externally publishedYes

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ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Condensed Matter Physics
  • Industrial and Manufacturing Engineering

Cite this

Shishlov, A. V., Baksht, R. B., Chaikovsky, S. A., Fedunin, A. V., Fursov, F. I., Kokshenev, V. A., Kurmaev, N. E., Labetsky, A. Y., Oreshkin, V. I., Ratakhin, N. A., Russkikh, A. G., & Shlykhtun, S. V. (2006). Formation of tight plasma pinches and generation of high-power soft x-ray radiation pulses in fast Z-pinch implosions. Laser Physics, 16(1), 183-193. https://doi.org/10.1134/S1054660X06010178