Measurements of deep heating generated by ultra-intense laser-plasma interactions

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We measure 300 eV thermal temperatures at near-solid densities by x-ray spectroscopy of tracer layers buried up to 30 pm inside CH slabs which are irradiated by a 0.5 kJ, 5 ps laser. X-ray imaging data suggest that collimated electron transport produces comparable temperatures as deep as 200 pm, and unexpectedly show the heated regions to be 50-120 pm-diameter rings. The data indicate that intense lasers can directionally heat solid matter to high temperatures over large distances; the results are relevant for fast-ignition inertial-confinement fusion and hot, dense plasma research

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Hatchett, S P; Key, M H; Koch, J A; Lee, R W; Pennington, D; Stephens, R B et al. August 25, 1999.

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We measure 300 eV thermal temperatures at near-solid densities by x-ray spectroscopy of tracer layers buried up to 30 pm inside CH slabs which are irradiated by a 0.5 kJ, 5 ps laser. X-ray imaging data suggest that collimated electron transport produces comparable temperatures as deep as 200 pm, and unexpectedly show the heated regions to be 50-120 pm-diameter rings. The data indicate that intense lasers can directionally heat solid matter to high temperatures over large distances; the results are relevant for fast-ignition inertial-confinement fusion and hot, dense plasma research

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1.1 Megabytes pages

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  • First International Conference on Inertial Fusion Sciences and Applications, Bordeaux (FR), 09/12/1999--09/17/1999

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  • Report No.: UCRL-JC-133686
  • Report No.: DP0211000
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 12554
  • Archival Resource Key: ark:/67531/metadc625048

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  • August 25, 1999

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  • June 16, 2015, 7:43 a.m.

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  • May 6, 2016, 4:01 p.m.

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Hatchett, S P; Key, M H; Koch, J A; Lee, R W; Pennington, D; Stephens, R B et al. Measurements of deep heating generated by ultra-intense laser-plasma interactions, article, August 25, 1999; California. (digital.library.unt.edu/ark:/67531/metadc625048/: accessed September 25, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.