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

Conference ·
DOI:https://doi.org/10.1063/1.3491316· OSTI ID:1009651

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.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
1009651
Report Number(s):
LLNL-CONF-431791; TRN: US1101765
Resource Relation:
Journal Volume: 81; Journal Issue: 10; Conference: Presented at: High Temperature Plasma Diagnostics 2010, Wildwood, NJ, United States, May 16 - May 20, 2010
Country of Publication:
United States
Language:
English

References (7)

The National Ignition Facility: Ushering in a new age for high energy density science journal April 2009
The physics basis for ignition using indirect-drive targets on the National Ignition Facility journal February 2004
National Ignition Campaign Hohlraum energetics journal May 2010
Symmetric Inertial Confinement Fusion Implosions at Ultra-High Laser Energies journal January 2010
Design of the National Ignition Facility static x-ray imager journal January 2001
Flat field anomalies in an x-ray charge coupled device camera measured using a Manson x-ray source journal October 2008
Energy transfer between laser beams crossing in ignition hohlraums journal April 2009

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