Soft X-ray backlighter source driven by a short-pulse laser for pump-probe characterization of warm dense matter
Abstract
In this paper, we propose a pump-probe X-ray absorption spectroscopy temperature measurement technique appropriate for matter having temperature in the range of 10 to a few 100 eV and density up to solid density. Atomic modeling simulations indicate that for various low- to mid-Z materials in this range the energy and optical depth of bound-bound and bound-free absorption features are sensitive to temperature. We discuss sample thickness and tamp layer considerations. A series of experimental investigations was carried out using a range of laser parameters with pulse duration ≤5 ps and various pure and alloyed materials to identify backlighter sources suitable for the technique.
- Authors:
-
[1];
[1];
[1];
[2];
[3];
[4];
[3];
[3];
[3];
- Univ. of California, San Diego, La Jolla, CA (United States)
- Univ. of Oxford, Oxford (United Kingdom)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- GSI Helmholtzzentrum, Darmstadt (Germany)
- General Atomics, San Diego, CA (United States)
- Publication Date:
- Research Org.:
- Univ. of California, San Diego, La Jolla, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Fusion Energy Sciences (FES)
- OSTI Identifier:
- 1482222
- Alternate Identifier(s):
- OSTI ID: 1477811
- Grant/Contract Number:
- SC0014600
- 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:
- 47 OTHER INSTRUMENTATION
Citation Formats
McGuffey, C., Dozières, M., Kim, J., Savin, A., Park, J., Emig, J., Brabetz, C., Carlson, L., Heeter, R. F., McLean, H. S., Moody, J., Schneider, M. B., Wei, M. S., and Beg, F. N. Soft X-ray backlighter source driven by a short-pulse laser for pump-probe characterization of warm dense matter. United States: N. p., 2018.
Web. doi:10.1063/1.5039419.
McGuffey, C., Dozières, M., Kim, J., Savin, A., Park, J., Emig, J., Brabetz, C., Carlson, L., Heeter, R. F., McLean, H. S., Moody, J., Schneider, M. B., Wei, M. S., & Beg, F. N. Soft X-ray backlighter source driven by a short-pulse laser for pump-probe characterization of warm dense matter. United States. https://doi.org/10.1063/1.5039419
McGuffey, C., Dozières, M., Kim, J., Savin, A., Park, J., Emig, J., Brabetz, C., Carlson, L., Heeter, R. F., McLean, H. S., Moody, J., Schneider, M. B., Wei, M. S., and Beg, F. N. Tue .
"Soft X-ray backlighter source driven by a short-pulse laser for pump-probe characterization of warm dense matter". United States. https://doi.org/10.1063/1.5039419. https://www.osti.gov/servlets/purl/1482222.
@article{osti_1482222,
title = {Soft X-ray backlighter source driven by a short-pulse laser for pump-probe characterization of warm dense matter},
author = {McGuffey, C. and Dozières, M. and Kim, J. and Savin, A. and Park, J. and Emig, J. and Brabetz, C. and Carlson, L. and Heeter, R. F. and McLean, H. S. and Moody, J. and Schneider, M. B. and Wei, M. S. and Beg, F. N.},
abstractNote = {In this paper, we propose a pump-probe X-ray absorption spectroscopy temperature measurement technique appropriate for matter having temperature in the range of 10 to a few 100 eV and density up to solid density. Atomic modeling simulations indicate that for various low- to mid-Z materials in this range the energy and optical depth of bound-bound and bound-free absorption features are sensitive to temperature. We discuss sample thickness and tamp layer considerations. A series of experimental investigations was carried out using a range of laser parameters with pulse duration ≤5 ps and various pure and alloyed materials to identify backlighter sources suitable for the technique.},
doi = {10.1063/1.5039419},
journal = {Review of Scientific Instruments},
number = 10,
volume = 89,
place = {United States},
year = {Tue Oct 16 00:00:00 EDT 2018},
month = {Tue Oct 16 00:00:00 EDT 2018}
}
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Figures / Tables:
FIG. 2: Calculated transmission for various thicknesses of solid Al for temperature 1 or 60 eV.
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Figures / Tables found in this record:
Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.