Development of a visible framing camera diagnostic for the study of current initiation in z-pinch plasmas

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Description

The authors assembled and tested a visible framing camera system to take 5 ns FWHM images of the early time emission from a z-pinch plasma. This diagnostic was used in conjunction with a visible streak camera allowing early time emissions measurements to diagnose current initiation. Individual frames from gated image intensifiers were proximity coupled to charge injection device (CID) cameras and read out at video rate and 8-bit resolution. A mirror was used to view the pinch from a 90-degree angle. The authors observed the destruction of the mirror surface, due to the high surface heating, and the subsequent reduction ... continued below

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12 p.

Creation Information

Muron, D.J.; Hurst, M.J. & Derzon, M.S. July 1, 1996.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

The authors assembled and tested a visible framing camera system to take 5 ns FWHM images of the early time emission from a z-pinch plasma. This diagnostic was used in conjunction with a visible streak camera allowing early time emissions measurements to diagnose current initiation. Individual frames from gated image intensifiers were proximity coupled to charge injection device (CID) cameras and read out at video rate and 8-bit resolution. A mirror was used to view the pinch from a 90-degree angle. The authors observed the destruction of the mirror surface, due to the high surface heating, and the subsequent reduction in signal reflected from the mirror. Images were obtained that showed early time ejecta and a nonuniform emission from the target. This initial test of the equipment highlighted problems with this measurement. They observed non-uniformities in early time emission. This is believed to be due to either spatially varying current density or heating of the foam. Images were obtained that showed early time ejecta from the target. The results and suggestions for improvement are discussed in the text.

Physical Description

12 p.

Notes

INIS; OSTI as DE96013346

Source

  • 11. annual high-temperature plasma diagnostics conference, Monterey, CA (United States), 12-16 May 1996

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  • Other: DE96013346
  • Report No.: SAND--96-0606C
  • Report No.: CONF-960543--29
  • Grant Number: AC04-94AL85000
  • DOI: 10.2172/266737 | External Link
  • Office of Scientific & Technical Information Report Number: 266737
  • Archival Resource Key: ark:/67531/metadc665160

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • July 1, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • April 13, 2016, 1:31 p.m.

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Muron, D.J.; Hurst, M.J. & Derzon, M.S. Development of a visible framing camera diagnostic for the study of current initiation in z-pinch plasmas, report, July 1, 1996; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc665160/: accessed August 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.