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Physics of Plasmas / Volume 18 / Issue 12 / LETTERS

Phys. Plasmas 18, 120701 (2011); http://dx.doi.org/10.1063/1.3671963 (4 pages)

Measurements and simulations of shock wave generated plasma-vacuum interface

D. Kaganovich, M. H. Helle, D. F. Gordon, and A. Ting

Plasma Physics Division, Naval Research Laboratory, Washington, D.C. 20375, USA

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(Received 22 September 2011; accepted 10 November 2011; published online 21 December 2011)

A controlled gradient gas jet was designed, constructed, and tested at the Naval Research Laboratory for the generation of high density and sharp gradient plasma regions. The gas jet uses a laser-generated shock wave to control the density gradient at the vacuum and neutral gas interface. The length scale of the laser produced plasma density gradient is fully controlled by the strength of the shock wave and can be varied continuously from100 μm for a weak shock to under 20 μm in case of strong shock wave as verified by the experimental results and simulations.

© 2011 American Institute of Physics

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KEYWORDS and PACS

Keywords

plasma accelerators, plasma boundary layers, plasma density, plasma production by laser, plasma shock waves, plasma simulation, plasma-wall interactions

PACS

  • 52.35.Tc

    Shock waves and discontinuities

  • 52.40.Hf

    Plasma-material interactions; boundary layer effects

  • 52.50.Jm

    Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.)

  • 52.65.-y

    Plasma simulation

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3671963

PUBLICATION DATA

ISSN

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

Publisher

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

For access to fully linked references, you need to log in.
    J. U. Kim, N. Hafz, and H. Suk, Phys. Rev. E 69, 026409 (2004).

    C. B. Schroeder, E. Esarey, J. van Tilborg, and W. P. Leemans, Phys. Rev. E 69, 016501 (2004).

    D. Kaganovich, M. H. Helle, D. F. Gorodn, and A. Ting, Appl. Phys. Lett. 97, 191501 (2010)APPLAB000097000019191501000001.

    M. H. Helle, D. Kaganovich, D. F. Gordon, and A. Ting Phys. Rev. Lett. 105, 105001 (2010).


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