OPTICAL SMOOTHING TECHNIQUES FOR SHOCK-WAVE GENERATION IN LASER-PRODUCED PLASMAS

被引:112
作者
KOENIG, M [1 ]
FARAL, B [1 ]
BOUDENNE, JM [1 ]
BATANI, D [1 ]
BENUZZI, A [1 ]
BOSSI, S [1 ]
机构
[1] UNIV MILAN, DIPARTIMENTO FIS, I-20133 MILAN, ITALY
关键词
D O I
10.1103/PhysRevE.50.R3314
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
Shock wave experiments have been performed at the Laboratoire pour lUtilisation des Lasers Intenses in a regime of interest for inertial confinement fusion and equation of state measurements. Laser beams have been optically smoothed either with random phase plates or with phased zone plates. This last technique allowed the production of a flat-top intensity distribution in the focal spot and hence of flat shock fronts. High quality shocks have been produced and used with stepped targets to allow direct measurements of shock velocity by time-resolved imaging of shock breakthrough at the rear of irradiated targets. © 1994 The American Physical Society.
引用
收藏
页码:R3314 / R3317
页数:4
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