Core Temperature and Density Profiles from Multispectral Imaging of ICF Plasmas
Abstract
We have developed a multiple monochromatic x-ray imaging diagnostic using an array of pinholes coupled to a multilayer Bragg mirror, and we have used this diagnostic to obtain unique multispectral imaging data of inertial-confinement fusion implosion plasmas. Argon dopants in the fuel allow emission images to be obtained in the Ar He-b and Ly-b spectral regions, and these images provide data on core temperature and density profiles. We have analyzed these data to obtain quasi-three-dimensional maps of electron temperature and scaled electron density within the core for several cases of drive symmetry, and we observed a two-lobed structure evolving for increasingly prolate-asymmetric drive. This structure is invisible in broad-band x-ray images. Future work will concentrate on hydrodynamics simulations for comparison with the data.
- Authors:
- Publication Date:
- Research Org.:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- US Department of Energy (US)
- OSTI Identifier:
- 15005089
- Report Number(s):
- UCRL-JC-155163
TRN: US0401552
- DOE Contract Number:
- W-7405-ENG-48
- Resource Type:
- Conference
- Resource Relation:
- Conference: 2003 Third International Conference on Inertial Fusion Sciences and Applications, Monterey, CA (US), 09/07/2003--09/12/2003; Other Information: PBD: 26 Aug 2003
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ARGON; ELECTRON DENSITY; ELECTRON TEMPERATURE; HYDRODYNAMICS; IMPLOSIONS; INERTIAL CONFINEMENT; SYMMETRY
Citation Formats
Koch, J A, Barbee, T W Jr, Dalhed, S, Haan, S, Izumi, N, Lee, R W, Welser, L, McCrorey, D L, Mancini, R C, Marshall, F, Meyerhoffer, D, Sangster, C, Smalyuk, V, Soures, J, and Klein, L. Core Temperature and Density Profiles from Multispectral Imaging of ICF Plasmas. United States: N. p., 2003.
Web.
Koch, J A, Barbee, T W Jr, Dalhed, S, Haan, S, Izumi, N, Lee, R W, Welser, L, McCrorey, D L, Mancini, R C, Marshall, F, Meyerhoffer, D, Sangster, C, Smalyuk, V, Soures, J, & Klein, L. Core Temperature and Density Profiles from Multispectral Imaging of ICF Plasmas. United States.
Koch, J A, Barbee, T W Jr, Dalhed, S, Haan, S, Izumi, N, Lee, R W, Welser, L, McCrorey, D L, Mancini, R C, Marshall, F, Meyerhoffer, D, Sangster, C, Smalyuk, V, Soures, J, and Klein, L. 2003.
"Core Temperature and Density Profiles from Multispectral Imaging of ICF Plasmas". United States. https://www.osti.gov/servlets/purl/15005089.
@article{osti_15005089,
title = {Core Temperature and Density Profiles from Multispectral Imaging of ICF Plasmas},
author = {Koch, J A and Barbee, T W Jr and Dalhed, S and Haan, S and Izumi, N and Lee, R W and Welser, L and McCrorey, D L and Mancini, R C and Marshall, F and Meyerhoffer, D and Sangster, C and Smalyuk, V and Soures, J and Klein, L},
abstractNote = {We have developed a multiple monochromatic x-ray imaging diagnostic using an array of pinholes coupled to a multilayer Bragg mirror, and we have used this diagnostic to obtain unique multispectral imaging data of inertial-confinement fusion implosion plasmas. Argon dopants in the fuel allow emission images to be obtained in the Ar He-b and Ly-b spectral regions, and these images provide data on core temperature and density profiles. We have analyzed these data to obtain quasi-three-dimensional maps of electron temperature and scaled electron density within the core for several cases of drive symmetry, and we observed a two-lobed structure evolving for increasingly prolate-asymmetric drive. This structure is invisible in broad-band x-ray images. Future work will concentrate on hydrodynamics simulations for comparison with the data.},
doi = {},
url = {https://www.osti.gov/biblio/15005089},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 26 00:00:00 EDT 2003},
month = {Tue Aug 26 00:00:00 EDT 2003}
}