Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 89, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5036525
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Funding
- Department of Energy National Nuclear Security Administration [DE-NA0001944]
- University of Rochester
- New York State Energy Research and Development Authority
- agency of the U.S. Government
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X-ray imaging using shaped crystals in Bragg reflection is a powerful technique used in high-energydensity physics experiments. The characterization of these crystal assemblies with conventional x-ray sources is very difficult because of the required angular resolution of the order of similar to 10 mu rad and the narrow bandwidth of the crystal. The 10-J, 1-ps Multi-Terawatt (MTW) laser at the Laboratory for Laser Energetics was used to characterize a set of Bragg crystal assemblies. The small spot size (of the order of 5 mu m) and the high power (> 1018 W/cm(2)) of this laser make it possible to measure the spatial resolution at the intended photon energy. A set of six crystals from two different vendors was checked on MTW, showing an unexpectedly large variation in spatial resolution of up to a factor of 4. Published by AIP Publishing.
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