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X-ray transport and radiation response assessment (XTRRA) experiments at the National Ignition Facility

Journal Article · · Review of Scientific Instruments
DOI:https://doi.org/10.1063/1.4960501· OSTI ID:1305814
 [1];  [1];  [1];  [2];  [3];  [4];  [1];  [1];  [1];  [2];  [2];  [2];  [5];  [3];  [3];  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Fifth Gait Technologies, Inc., Huntsville, AL (United States)
  3. Defense Threat Reduction Agency, Fort Belvoir, VA (United States)
  4. Naval Research Lab. (NRL), Washington, DC (United States)
  5. Dynasen, Inc., Goleta, CA (United States)
Our team has developed an experimental platform to evaluate the x-ray-generated stress and impulse in materials. Experimental activities include x-ray source development, design of the sample mounting hardware and sensors interfaced to the NIF’s diagnostics insertion system, and system integration into the facility. This paper focuses on the X-ray Transport and Radiation Response Assessment (XTRRA) test cassettes built for these experiments. The test cassette is designed to position six samples at three predetermined distances from the source, each known to within ±1% accuracy. Built in calorimeters give in situ measurements of the x-ray environment along the sample lines of sight. We discuss the measured accuracy of sample responses, as well as planned modifications to the XTRRA cassette.
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1305814
Alternate ID(s):
OSTI ID: 22596527
Report Number(s):
LLNL-JRNL--692683
Journal Information:
Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Journal Issue: 11 Vol. 87; ISSN 0034-6748; ISSN RSINAK
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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Multi-keV x-ray source development experiments on the National Ignition Facility journal August 2010
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Contrasting physics in wire array z pinch sources of 1-20 keV emission on the Z facility journal May 2014
Simulation study of 3–5 keV x-ray conversion efficiency from Ar K-shell vs. Ag L-shell targets on the National Ignition Facility laser journal May 2015
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Fourier-transform method of fringe-pattern analysis for computer-based topography and interferometry journal January 1982

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