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Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 27 / Number 3 / Pages 215-220

Laser-Initiated Diverging and Converging Spherical Blast Waves

F. Bredice, I. Deha†, F. Giammanco, A. Salvetti, D. P. Singh, M. Vaselli, E. Panarella, S. del Tredici

Fusion Science and Technology / Volume 27 / Number 3 / Pages 215-220

May 1995

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In a study that is preliminary to a spherical pinch experiment, attention is focused on divergent and convergent shock waves. An intense laser beam is used to initiate a gas breakdown to generate a divergent shock wave at the center of a spherical cell; the temporal evolution of the shock front is tracked by holographic interferometry. A convergent shock wave is produced from the laser-induced evaporation of a metallic layer present on the internal surface of a hemi-spherical cell; a framing camera is employed to obtain streak pictures. Theoretical models are used to interpret the experimental results.

 
 
 
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