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Title: High-power laser interaction with low-density C–Cu foams

Journal Article · · Physics of Plasmas
DOI:https://doi.org/10.1063/1.4935911· OSTI ID:1234590

Here, we study the propagation of high-power laser beams in micro-structured carbon foams by monitoring the x-ray output from deliberately introduced Cu content. In particular, we characterize this phenomenon measuring absolute time-resolved x-ray yields, time-resolved x-ray imaging, and x-ray spectroscopy. New experimental results for C–Cu foams show a faster heat front velocity than simulation that assumed homogeneous plasma. We suggest the foam micro-structure may explain this trend.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE; Defense Threat Reduction Agency (DTRA)
Grant/Contract Number:
AC52-07NA27344; BRCALL08-PR3-C-2-0006
OSTI ID:
1234590
Report Number(s):
LLNL-JRNL-677081
Journal Information:
Physics of Plasmas, Vol. 22, Issue 11; ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 19 works
Citation information provided by
Web of Science

References (22)

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Demonstration of a 13-keV Kr K -shell x-ray source at the National Ignition Facility journal September 2013
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Cited By (4)

Direct Laser Writing of Low-Density Interdigitated Foams for Plasma Drive Shaping journal September 2017
Absolute Hugoniot measurements for CH foams in the 2–9 Mbar range journal March 2018
Ultra-low-density silver aerogels via freeze-substitution journal September 2018
Absolute Hugoniot Measurements for CH Foams in the 2-9 MBAR Range conference June 2018

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