Direct asymmetry measurement of temperature and density spatial distributions in inertial confinement fusion plasmas from pinhole space-resolved spectra

Journal Article · Thu May 15 00:00:00 EDT 2014 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.4875741· OSTI ID:22252921

Nagayama, T.; Mancini, R. C.; Florido, R.; Mayes, D. ^[1]; Tommasini, R.; Koch, J. A. ^[2]; Delettrez, J. A.; Regan, S. P.; Smalyuk, V. A. ^[3]

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1. Physics Department, University of Nevada, Reno, Nevada 89557 (United States)
2. Lawrence Livermore National Laboratory, Livermore, California 94550 (United States)
3. Laboratory for Laser Energetics, University of Rochester, New York 14623 (United States)

Two-dimensional space-resolved temperature and density images of an inertial confinement fusion (ICF) implosion core have been diagnosed for the first time. Argon-doped, direct-drive ICF experiments were performed at the Omega Laser Facility and a collection of two-dimensional space-resolved spectra were obtained from an array of gated, spectrally resolved pinhole images recorded by a multi-monochromatic x-ray imager. Detailed spectral analysis revealed asymmetries of the core not just in shape and size but in the temperature and density spatial distributions, thus characterizing the core with an unprecedented level of detail.

• OSTI ID: 22252921
• Journal Information: Physics of Plasmas, Vol. 21, Issue 5; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ARGON
ASYMMETRY
DIAGNOSIS
DIRECT DRIVE ICF
DOPED MATERIALS
IMPLOSIONS
INERTIAL CONFINEMENT
MONOCHROMATIC RADIATION
PLASMA
SPACE
SPATIAL DISTRIBUTION
SPECTRA
X RADIATION