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Title: A platform for x-ray Thomson scattering measurements of radiation hydrodynamics experiments on the NIF

Abstract

Here, we present an experimental design for a radiation hydrodynamics experiment at the National Ignition Facility that measures the electron temperature of a shocked region using the x-ray Thomson scattering technique. Previous National Ignition Facility experiments indicate a reduction in Rayleigh-Taylor instability growth due to high energy fluxes, compared to the shocked energy flux, from radiation and electron heat conduction. In order to better quantify the effects of these energy fluxes, we modified the previous experiment to allow for non-collective x-ray Thomson scattering to measure the electron temperature. Photometric calculations combined with synthetic scattering spectra demonstrate an estimated noise.

Authors:
 [1];  [2];  [3]; ORCiD logo [4];  [4]; ORCiD logo [4];  [2];  [3];  [3]
  1. Univ. of Michigan, Ann Arbor, MI (United States). Applied Physics
  2. Univ. of Michigan, Ann Arbor, MI (United States). Mechanical Engineering
  3. Univ. of Michigan, Ann Arbor, MI (United States). Climate and Space Sciences and Engineering
  4. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP) (NA-10); USDOE Office of Science (SC), Fusion Energy Sciences (FES) (SC-24); USDOE Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF)
OSTI Identifier:
1469463
Alternate Identifier(s):
OSTI ID: 1464588
Report Number(s):
LLNL-JRNL-751761
Journal ID: ISSN 0034-6748; 936828
Grant/Contract Number:  
AC52-07NA27344; NA0002956; 1707260; 18-ERD-033
Resource Type:
Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 89; Journal Issue: 10; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 42 ENGINEERING; Thomson scattering; flow instabilities; hydrodynamics experiments; energy flux

Citation Formats

LeFevre, H. J., Ma, K., Belancourt, P. X., MacDonald, M. J., Döppner, T., Huntington, C. M., Johnsen, E., Keiter, P. A., and Kuranz, C. C. A platform for x-ray Thomson scattering measurements of radiation hydrodynamics experiments on the NIF. United States: N. p., 2018. Web. doi:10.1063/1.5039392.
LeFevre, H. J., Ma, K., Belancourt, P. X., MacDonald, M. J., Döppner, T., Huntington, C. M., Johnsen, E., Keiter, P. A., & Kuranz, C. C. A platform for x-ray Thomson scattering measurements of radiation hydrodynamics experiments on the NIF. United States. doi:10.1063/1.5039392.
LeFevre, H. J., Ma, K., Belancourt, P. X., MacDonald, M. J., Döppner, T., Huntington, C. M., Johnsen, E., Keiter, P. A., and Kuranz, C. C. Tue . "A platform for x-ray Thomson scattering measurements of radiation hydrodynamics experiments on the NIF". United States. doi:10.1063/1.5039392. https://www.osti.gov/servlets/purl/1469463.
@article{osti_1469463,
title = {A platform for x-ray Thomson scattering measurements of radiation hydrodynamics experiments on the NIF},
author = {LeFevre, H. J. and Ma, K. and Belancourt, P. X. and MacDonald, M. J. and Döppner, T. and Huntington, C. M. and Johnsen, E. and Keiter, P. A. and Kuranz, C. C.},
abstractNote = {Here, we present an experimental design for a radiation hydrodynamics experiment at the National Ignition Facility that measures the electron temperature of a shocked region using the x-ray Thomson scattering technique. Previous National Ignition Facility experiments indicate a reduction in Rayleigh-Taylor instability growth due to high energy fluxes, compared to the shocked energy flux, from radiation and electron heat conduction. In order to better quantify the effects of these energy fluxes, we modified the previous experiment to allow for non-collective x-ray Thomson scattering to measure the electron temperature. Photometric calculations combined with synthetic scattering spectra demonstrate an estimated noise.},
doi = {10.1063/1.5039392},
journal = {Review of Scientific Instruments},
number = 10,
volume = 89,
place = {United States},
year = {2018},
month = {8}
}

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