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Studies on the transport of high intensity laser-generated hot electrons in cone coupled wire targets

Abstract:

Experimental results showing hot electron penetration into Cu wires using Kα fluorescence imaging are presented. A 500 J, 1 ps laser was focused at f/3 into hollow aluminum cones joined at their tip to Cu wires of diameters from 10 to 40 μm. Comparison of the axially diminishing absolute intensity of Cu Kα with modeling shows that the penetration of the electrons is consistent with one dimensional Ohmic potential limited transport. The laser coupling efficiency to electron energy within the w...

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Publisher copy:
10.1063/1.3076142

Authors


Freeman, RR More by this author
Hatchett, SP More by this author
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Journal:
Physics of Plasmas
Volume:
16
Issue:
2
Pages:
020701-020701
Publication date:
2009
DOI:
ISSN:
1070-664X
URN:
uuid:71257f88-341a-4802-ba86-84b907ce4c54
Source identifiers:
353725
Local pid:
pubs:353725
Language:
English

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