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Hot surface ionic line emission and cold K-inner shell emission from petawatt-laser-irradiated Cu foil targets

Abstract:

A hot, 2 to 3 keV electron temperature surface plasma was observed in the interaction of a 0.7 ps petawatt laser beam with solid copper-foil targets at intensities > 1020 W cm2. Copper K-shell spectra were measured in the range of 8 to 9 keV using a single-photon-counting x-ray charged-coupled-device camera. In addition to Kα and KΒ inner-shell lines, the emission contained the Cu Heα and Lyα lines, allowing the temperature to be inferred. These lines have not been observed previously with...

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Publication status:
Published

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Publisher copy:
10.1063/1.2188912

Authors


Theobald, W More by this author
Delettrez, JA More by this author
Freeman, RR More by this author
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Journal:
PHYSICS OF PLASMAS
Volume:
13
Issue:
4
Pages:
043102-043102
Publication date:
2006-04-05
DOI:
ISSN:
1070-664X
URN:
uuid:f54633e8-f74e-44e7-93b3-779fab64d876
Source identifiers:
11231
Local pid:
pubs:11231
Language:
English

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