Images of the Laser Entrance Hole from the Static X-ray Imager at NIF

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The Static X-ray Imager (SXI) at the National Ignition Facility (NIF) is a pinhole camera using a CCD detector to obtain images of hohlraum wall x-ray drive illumination patterns seen through the laser entrance hole (LEH). Carefully chosen filters combined with the CCD response allows recording images in the x-ray range of 3 to 5 keV with 60 {micro}m spatial resolution. The routines used to obtain the apparent size of the backlit LEH, and the location and intensity of beam spots are discussed and compared to predictions. A new soft x-ray channel centered at 870 eV (near the x-ray peak ... continued below

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Schneider, M; Jones, O; Meezan, N; Milovich, J; Town, R; Alvarez, S et al. May 4, 2010.

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The Static X-ray Imager (SXI) at the National Ignition Facility (NIF) is a pinhole camera using a CCD detector to obtain images of hohlraum wall x-ray drive illumination patterns seen through the laser entrance hole (LEH). Carefully chosen filters combined with the CCD response allows recording images in the x-ray range of 3 to 5 keV with 60 {micro}m spatial resolution. The routines used to obtain the apparent size of the backlit LEH, and the location and intensity of beam spots are discussed and compared to predictions. A new soft x-ray channel centered at 870 eV (near the x-ray peak of a 300 eV temperature ignition hohlraum) is discussed.

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PDF-file: 5 pages; size: 7.7 Mbytes

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  • Presented at: High Temperature Plasma Diagnostics 2010, Wildwood, NJ, United States, May 16 - May 20, 2010

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  • Report No.: LLNL-CONF-431791
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 1009651
  • Archival Resource Key: ark:/67531/metadc835378

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  • May 4, 2010

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  • May 19, 2016, 3:16 p.m.

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  • Dec. 5, 2016, 8:43 p.m.

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Schneider, M; Jones, O; Meezan, N; Milovich, J; Town, R; Alvarez, S et al. Images of the Laser Entrance Hole from the Static X-ray Imager at NIF, article, May 4, 2010; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc835378/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.