Abstract
Interaction of sub-nanosecond intense laser pulses with foams containing fine and large pores has been studied experimentally. Laser penetration and energy transport in the foam material are measured via streaked side-on x-ray slit images. Shock wave transition through the foam is detected via streaked optical self-emission from foil attached on the foam rear side. The shock transition time increases with the pore size, foam density, and also with the contents of high Z additions in plastic foams. Foil acceleration is observed via 3-frame interferometry. Comparison of experimental results with numerical simulations and an analytical model is underway.
| Original language | English |
|---|---|
| Pages (from-to) | 457-459 |
| Number of pages | 3 |
| Journal | Journal de Physique IV - Proceedings |
| Volume | 133 |
| DOIs | |
| Publication status | Published - Jun 2006 |
Keywords
- IRRADIATED TARGETS
- DENSITY
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