Bulletin of the American Physical Society
64th Annual Meeting of the APS Division of Plasma Physics
Volume 67, Number 15
Monday–Friday, October 17–21, 2022; Spokane, Washington
Session BO08: Beam-Plasma Wakefield, High Field Physics, and Diagnostics
9:30 AM–12:18 PM,
Monday, October 17, 2022
Room: 402 ABC
Chair: Yong Ma, University of Michigan
Abstract: BO08.00004 : Hard x-ray radiography with a 1D-imaging micro-flag backlighter driven by NIF-ARC
10:06 AM–10:18 AM
Presenter:
Matthew P Hill
(AWE Plc)
Authors:
Matthew P Hill
(AWE Plc)
Jackson G Williams
(Lawrence Livermore Natl Lab)
Daniel H Kalantar
(Lawrence Livermore Natl Lab)
Benjamin Bachmann
(Lawrence Livermore Natl Lab)
Riccardo Tommasini
(Lawrence Livermore Natl Lab)
David A Martinez
(Lawrence Livermore Natl Lab)
Camelia V Stan
(Lawrence Livermore Natl Lab)
Anna Murphy
(Lawrence Livermore Natl Lab)
Matthew J Arend
(Lawrence Livermore Natl Lab)
Gino A Mercado
(Lawrence Livermore Natl Lab)
Henry C Wong
(Lawrence Livermore Natl Lab)
Zach Dunn
(Lawrence Livermore Natl Lab)
Thomas E Lockard
(Lawrence Livermore Natl Lab)
Edward T Gumbrell
(AWE Plc)
Robert E Rudd
(Lawrence Livermore Natl Lab)
Korbie K Le Galloudec
(Lawrence Livermore Natl Lab)
Bruce A Remington
(Lawrence Livermore Natl Lab)
James M McNaney
(Lawrence Livermore Natl Lab)
Hye-Sook Park
(Lawrence Livermore Natl Lab)
We present updated results from a further ARC shot (~2 kJ, 10 ps pulse) onto a 5-μm-thick dysprosium ‘micro-flag’ target which radiographs 100-μm-thick diamond-turned Pb test objects at high resolution, supported by analysis using the 3D Monte Carlo code GEANT4. We observe gradients in brightness, x-ray spectrum and resolution across the field of view which result primarily from the source geometry. By modeling the full 10-layer image plate detector stack and diagnostic housing we assess techniques such as image stacking for noise suppression in the context of reducing uncertainties in future dynamic strength experiments at NIF.
This work was performed under the auspices of the US Department of Energy by Lawrence Livermore National Laboratory under Contact No. DE-AC52-07NA27344.
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