Design of the opacity spectrometer for opacity measurements at the National Ignition Facility
Journal Article
·
· Review of Scientific Instruments
- National Security Technologies, LLC. (NSTec), Livermore, CA (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Recent experiments at the Sandia National Laboratory Z facility have called into question models used in calculating opacity, of importance for modeling stellar interiors. An effort is being made to reproduce these results at the National Ignition Facility (NIF). These experiments require a new X-ray opacity spectrometer (OpSpec) spanning 540 eV–2100 eV with a resolving power E/ΔE > 700. The design of the OpSpec is presented. Photometric calculations based on expected opacity data are also presented in this paper. First use on NIF is expected in September 2016.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); National Security Technologies, LLC. (NSTec), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA)
- Grant/Contract Number:
- AC52-07NA27344; AC52-06NA25946
- OSTI ID:
- 1438694
- Report Number(s):
- LLNL-JRNL-740588; TRN: US1900489
- Journal Information:
- Review of Scientific Instruments, Vol. 87, Issue 11; ISSN 0034-6748
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 17 works
Citation information provided by
Web of Science
Web of Science
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Implementation of a 1-2 keV point-projection x-ray spectrometer on the National Ignition Facility
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journal | October 2018 |
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journal | May 2018 |
Iron X-ray Transmission at Temperature Near 150 eV Using the National Ignition Facility: First Measurements and Paths to Uncertainty Reduction
|
journal | October 2018 |
Computation of atomic astrophysical opacities | text | January 2017 |
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