Development of backlighting sources for a Compton Radiography diagnostic of Inertial Confinement Fusion targets

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An important diagnostic tool for inertial confinement fusion is time-resolved imaging of the dense cold fuel surrounding the hot spot. Here we report on the source and diagnostic development of hard x-ray radiography and on the first radiographs of direct drive implosions obtained at photon energies up to about 100keV, where the Compton effect is the dominant contributor to the shell opacity. The radiographs of direct drive, plastic shell implosions obtained at the OMEGA laser facility have a spatial resolution of {approx}10um and a temporal resolution of {approx}10ps. This novel Compton Radiography is an invaluable diagnostic tool for Inertial Confinement ... continued below

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Tommasini, R April 23, 2010.

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An important diagnostic tool for inertial confinement fusion is time-resolved imaging of the dense cold fuel surrounding the hot spot. Here we report on the source and diagnostic development of hard x-ray radiography and on the first radiographs of direct drive implosions obtained at photon energies up to about 100keV, where the Compton effect is the dominant contributor to the shell opacity. The radiographs of direct drive, plastic shell implosions obtained at the OMEGA laser facility have a spatial resolution of {approx}10um and a temporal resolution of {approx}10ps. This novel Compton Radiography is an invaluable diagnostic tool for Inertial Confinement Fusion targets, and will be integrated at the National Ignition Facility (NIF).

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PDF-file: 19 pages; size: 1.1 Mbytes

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  • Report No.: LLNL-TR-429373
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/992290 | External Link
  • Office of Scientific & Technical Information Report Number: 992290
  • Archival Resource Key: ark:/67531/metadc1014986

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  • April 23, 2010

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  • Oct. 14, 2017, 8:36 a.m.

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  • Oct. 27, 2017, 5:34 p.m.

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Tommasini, R. Development of backlighting sources for a Compton Radiography diagnostic of Inertial Confinement Fusion targets, report, April 23, 2010; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc1014986/: accessed September 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.