The Potential of Fast Ignition and Related Experiments with A Petawatt Laser Facility

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A model of energy gain induced by fast ignition of thermonuclear burn in compressed deuterium-tritium fuel, is used to show the potential for 300x gain with a driver energy of 1 M J, if the National Ignition Facility (NIF) were to be adapted for fast ignition. The physics of fast ignition has been studied using a petawatt laser facility at the Lawrence Livermore National Laboratory. Laser plasma interaction in a preformed plasma on a solid target leads to relativistic self-focusing evidenced by x-ray images. Absorption of the laser radiation transfers energy to an intense source of relativistic electrons. Good conversion ... continued below

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2,600 Kilobytes pages

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Key, M.H.; Campbell, E.M.; Cowan, T.E.; Hatchett, S.P.; Henry, E.A.; Koch, J.A. et al. April 6, 2000.

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A model of energy gain induced by fast ignition of thermonuclear burn in compressed deuterium-tritium fuel, is used to show the potential for 300x gain with a driver energy of 1 M J, if the National Ignition Facility (NIF) were to be adapted for fast ignition. The physics of fast ignition has been studied using a petawatt laser facility at the Lawrence Livermore National Laboratory. Laser plasma interaction in a preformed plasma on a solid target leads to relativistic self-focusing evidenced by x-ray images. Absorption of the laser radiation transfers energy to an intense source of relativistic electrons. Good conversion efficiency into a wide angular distribution is reported. Heating by the electrons in solid density CD{sub 2} produces 0.5 to 1/keV temperature, inferred from the D-D thermo-nuclear neutron yield.

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2,600 Kilobytes pages

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  • 1999 Symposium on Cost-Effective Steps to Fusion Power, Washington, DC (US), 03/25/2000

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  • Report No.: UCRL-JC-138315
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 792004
  • Archival Resource Key: ark:/67531/metadc742222

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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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  • April 6, 2000

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  • Oct. 19, 2015, 7:39 p.m.

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  • May 6, 2016, 1:51 p.m.

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Key, M.H.; Campbell, E.M.; Cowan, T.E.; Hatchett, S.P.; Henry, E.A.; Koch, J.A. et al. The Potential of Fast Ignition and Related Experiments with A Petawatt Laser Facility, article, April 6, 2000; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc742222/: accessed October 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.