An Overview of High Energy Short Pulse Technology for Advanced Radiography of Laser Fusion Experiments

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The technical challenges and motivations for high-energy, short-pulse generation with NIF-class, Nd:glass laser systems are reviewed. High energy short pulse generation (multi-kilojoule, picosecond pulses) will be possible via the adaptation of chirped pulse amplification laser techniques on the NIF. Development of meter-scale, high efficiency, high-damage-threshold final optics is a key technical challenge. In addition, deployment of HEPW pulses on NIF is constrained by existing laser infrastructure and requires new, compact compressor designs and short-pulse, fiber-based, seed-laser systems. The key motivations for high energy petawatt pulses on NIF is briefly outlined and includes high-energy, x-ray radiography, proton beam radiography, proton isochoric ... continued below

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12 p. (0.3 MB)

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Barty, C J; Key, M; Britten, J; Beach, R; Beer, G; Brown, C et al. June 18, 2004.

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The technical challenges and motivations for high-energy, short-pulse generation with NIF-class, Nd:glass laser systems are reviewed. High energy short pulse generation (multi-kilojoule, picosecond pulses) will be possible via the adaptation of chirped pulse amplification laser techniques on the NIF. Development of meter-scale, high efficiency, high-damage-threshold final optics is a key technical challenge. In addition, deployment of HEPW pulses on NIF is constrained by existing laser infrastructure and requires new, compact compressor designs and short-pulse, fiber-based, seed-laser systems. The key motivations for high energy petawatt pulses on NIF is briefly outlined and includes high-energy, x-ray radiography, proton beam radiography, proton isochoric heating and tests of the fast ignitor concept for inertial confinement fusion.

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12 p. (0.3 MB)

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PDF-file: 12 pages; size: 0.3 Mbytes

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  • Journal Name: Nuclear Fusion Special Issue on IFSA 2003; Journal Volume: 44; Journal Issue: 2004

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  • Report No.: UCRL-JRNL-204814
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 875379
  • Archival Resource Key: ark:/67531/metadc878384

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  • June 18, 2004

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  • Sept. 21, 2016, 2:29 a.m.

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  • April 13, 2017, 4:22 p.m.

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Barty, C J; Key, M; Britten, J; Beach, R; Beer, G; Brown, C et al. An Overview of High Energy Short Pulse Technology for Advanced Radiography of Laser Fusion Experiments, article, June 18, 2004; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc878384/: accessed August 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.