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Title: Streaked Sub-ps-resolution X-ray Line Shapes and Implications for Solid-density Plasma Dynamics
Contributors: Kraus, B. Frances
Gao, Lan
Hill, K. W.
Bitter, M.
Efthimion, P. C.
Hollinger, R.
Wang, Shoujun
Song, Huanyu
Nedbailo, R.
Rocca, J. J.
Mancini, R. C.
MacDonald, M. J.
Beatty, C. B.
Shepherd, R.
U. S. Department of Energy contract number DE-AC02-09CH11466
Keywords: x-ray spectroscopy
High-energy-density plasmas
Issue Date: 2022
Publisher: Princeton Plasma Physics Laboratory, Princeton University
Related Publication: Review of Scientific Instruments 2022 (publication pending)
Abstract: A high-resolution x-ray spectrometer was coupled with an ultrafast x-ray streak camera to produce time-resolved line shape spectra measured from hot, solid-density plasmas. A Bragg crystal was placed near a laser-produced plasma to maximize throughput; alignment tolerances were established by raytracing. The streak camera produced single-shot time-resolved spectra, heavily sloped due to photon time-of-flight differences, with sufficient reproducibility to accumulate photon statistics. The images are time-calibrated by the slope of streaked spectra and dewarped to generate spectra emitted at different times defined at the source. The streaked spectra demonstrate the evolution of spectral shoulders and other features on ps timescales, showing the feasibility of plasma parameter measurements on the rapid timescales necessary to study high-energy-density plasmas.
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Appears in Collections:Plasma Science & Technology

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Fig7_midLineout.txt34.18 kBTextView/Download
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