GIGABAR MATERIAL PROPERTIES EXPERIMENTS ON NIF AND OMEGA

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The unprecedented laser capabilities of the National Ignition Facility (NIF) make it possible for the first time to countenance laboratory-scale experiments in which gigabar pressures can be applied to a reasonable volume of material, and sustained long enough for percent level equation of state measurements to be made. We describe the design for planned experiments at the NIF, using a hohlraum drive to induce a spherically-converging shock in samples of different materials. Convergence effects increase the shock pressure to several gigabars over a radius of over 100 microns. The shock speed and compression will be measured radiographically over a range ... continued below

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6 p. (0.2 MB)

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Swift, D C; Hawreliak, J A; Braun, D; Kritcher, A; Glenzer, S; Collins, G W et al. August 4, 2011.

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The unprecedented laser capabilities of the National Ignition Facility (NIF) make it possible for the first time to countenance laboratory-scale experiments in which gigabar pressures can be applied to a reasonable volume of material, and sustained long enough for percent level equation of state measurements to be made. We describe the design for planned experiments at the NIF, using a hohlraum drive to induce a spherically-converging shock in samples of different materials. Convergence effects increase the shock pressure to several gigabars over a radius of over 100 microns. The shock speed and compression will be measured radiographically over a range of pressures using an x-ray streak camera. In some cases, we will use doped layers to allow a radiographic measurement of particle velocity.

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6 p. (0.2 MB)

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PDF-file: 6 pages; size: 0.2 Mbytes

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  • Presented at: American Physical Society Topical Conference on Shock Compression of Condensed Matter, Chicago, IL, United States, Jun 26 - Jul 01, 2011

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  • Report No.: LLNL-PROC-492261
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 1022931
  • Archival Resource Key: ark:/67531/metadc841077

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  • August 4, 2011

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  • May 19, 2016, 3:16 p.m.

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  • April 17, 2017, 12:12 p.m.

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Swift, D C; Hawreliak, J A; Braun, D; Kritcher, A; Glenzer, S; Collins, G W et al. GIGABAR MATERIAL PROPERTIES EXPERIMENTS ON NIF AND OMEGA, article, August 4, 2011; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc841077/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.