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Phys Rev Lett
; 84(2): 274-7, 2000 Jan 10.
Article
in English
| MEDLINE
| ID: mdl-11015889
ABSTRACT
We have made the first detailed measurements of a diffusive supersonic radiation wave in the laboratory. A 10 mg/cm(3) SiO2 foam is radiatively heated by the x-ray flux from a laser-irradiated hohlraum. The resulting radiation wave propagates axially through the optically thick foam and is measured via time-resolved x-ray imaging as it breaks out the far end. The data show that the radiation wave breaks out at the center prior to breaking out at the edges, indicating a significant curvature in the radiation front. This curvature is primarily due to energy loss into the walls surrounding the foam.
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Time-resolved backside optical probing of picosecond-laser-pulse-produced plasma in solid materials.
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics
; 47(4): 2768-2777, 1993 Apr.
Article
in English
| MEDLINE
| ID: mdl-9960309
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