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Physics of Plasmas / Volume 5 / Issue 5 / INVITED PAPERS / Lasers, Particle Beams, Accelerators, Radiation Generation
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Phys. Plasmas 5, 2105 (1998); http://dx.doi.org/10.1063/1.872881 (7 pages)

Tungsten wire-array Z-pinch experiments at 200 TW and 2 MJ

R. B. Spielman1, C. Deeney1, G. A. Chandler1, M. R. Douglas1, D. L. Fehl1, M. K. Matzen1, D. H. McDaniel1, T. J. Nash1, J. L. Porter1, T. W. L. Sanford1, J. F. Seamen1, W. A. Stygar1, K. W. Struve1, S. P. Breeze1, J. S. McGurn1, J. A. Torres1, D. M. Zagar1, T. L. Gilliland1, D. O. Jobe1, J. L. McKenney1, R. C. Mock1, M. Vargas1, T. Wagoner1, and D. L. Peterson2

1Sandia National Laboratories, Albuquerque, New Mexico 87185
2Los Alamos National Laboratories, Los Alamos, New Mexico 87545

(Received 19 November 1997; accepted 3 February 1998)

Here Z, a 60 TW/5 MJ electrical accelerator located at Sandia National Laboratories, has been used to implode tungsten wire-array Z pinches. These arrays consisted of large numbers of tungsten wires (120–300) with wire diameters of 7.5 to 15 μm placed in a symmetric cylindrical array. The experiments used array diameters ranging from 1.75 to 4 cm and lengths from 1 to 2 cm. A 2 cm long, 4 cm diam tungsten array consisting of 240, 7.5 μm diam wires (4.1 mg mass) achieved an x-ray power of ∼ 200 TW and an x-ray energy of nearly 2 MJ. Spectral data suggest an optically thick, Planckian-like radiator below 1000 eV. One surprising experimental result was the observation that the total radiated x-ray energies and x-ray powers were nearly independent of pinch length. These data are compared with two-dimensional radiation magnetohydrodynamic code calculations. © 1998 American Institute of Physics.

© 1998 American Institute of Physics

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KEYWORDS and PACS

Keywords

Z pinch, exploding wires, plasma diagnostics, TUNGSTEN, X RADIATION, MAGNETOHYDRODYNAMICS, PLASMA SIMULATION, COMPUTER CODES, LINEAR Z PINCH DEVICES

PACS

  • 52.55.Ez

    Theta pinch

  • 52.50.Lp

    Plasma production and heating by shock waves and compression

  • 52.70.La

    X-ray and γ-ray measurements

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.872881

PUBLICATION DATA

ISSN

1070-664X (print)  
1089-7674 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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  19. ParyleneTM (CH) is the proprietary name for 2.2 Para Cyclophane manufactured by Specialty Coating Systems, Inc., Indianapolis, Indiana.
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