The design and characterization of toroidal-shaped Nova hohlraums that simulate National Ignition Facility plasma conditions for plasma instability experiments

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Special Nova hohlraums have been designed to simulate the plasma conditions calculated for various NIF hohlraum point designs. These hohlraums attempt to maximize the laser pathlength for parametric instability measurements. A toroidal-shaped hohlraum with a diameter of 3200 microns and a length of 1600 microns allows a laser pathlength of about 2 mm. Filling the hohlraum with 1 atmosphere of neopentane gas gives an electron temperature of 3 keV and electron density near 0.1 of critical. Detailed LASNEX calculations for these hohlraums and comparisons to the NIF point design will be presented. Comparisons between data and calculations that characterize the ... continued below

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10 p.

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Wilde, B.H.; Fernandez, J.C.; Hsing, W.W.; Cobble, J.A.; Delamater, N.D.; Krauser, W.J. et al. July 1, 1995.

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Special Nova hohlraums have been designed to simulate the plasma conditions calculated for various NIF hohlraum point designs. These hohlraums attempt to maximize the laser pathlength for parametric instability measurements. A toroidal-shaped hohlraum with a diameter of 3200 microns and a length of 1600 microns allows a laser pathlength of about 2 mm. Filling the hohlraum with 1 atmosphere of neopentane gas gives an electron temperature of 3 keV and electron density near 0.1 of critical. Detailed LASNEX calculations for these hohlraums and comparisons to the NIF point design will be presented. Comparisons between data and calculations that characterize the plasma conditions (electron, radiation, and ion temperatures, electron density, etc) in these Nova hohlraums will also be shown.

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10 p.

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INIS; OSTI as DE95014010

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  • 12. international conference on laser interaction and related plasma phenomena, Osaka (Japan), 24-28 Apr 1995

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  • Other: DE95014010
  • Report No.: LA-UR--95-1439
  • Report No.: CONF-950476--5
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 85702
  • Archival Resource Key: ark:/67531/metadc779933

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  • July 1, 1995

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  • Dec. 3, 2015, 9:30 a.m.

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  • Feb. 29, 2016, 1:52 p.m.

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Wilde, B.H.; Fernandez, J.C.; Hsing, W.W.; Cobble, J.A.; Delamater, N.D.; Krauser, W.J. et al. The design and characterization of toroidal-shaped Nova hohlraums that simulate National Ignition Facility plasma conditions for plasma instability experiments, article, July 1, 1995; New Mexico. (digital.library.unt.edu/ark:/67531/metadc779933/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.