EVALUATION OF A FOAM BUFFER TARGET DESIGN FOR SPATIALLY UNIFORM ABLATION OF LASER-IRRADIATED PLASMAS

被引:79
作者
DUNNE, M
BORGHESI, M
IWASE, A
JONES, MW
TAYLOR, R
GIBSON, R
GOLDMAN, SR
MACK, J
WATT, RG
机构
[1] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,LONDON SW7 2BZ,ENGLAND
[2] LOS ALAMOS NATL LAB,LOS ALAMOS,NM 87545
关键词
D O I
10.1103/PhysRevLett.75.3858
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Experimental observations are presented demonstrating that the use of a gold-coated foam layer on the surface of a laser-driven target substantially reduces its hydrodynamic breakup during the acceleration phase. The data suggest that this results from enhanced thermal smoothing during the early-time imprint stage of the interaction. The target's kinetic energy and the level of parametric instability growth are shown to remain essentially unchanged from that of a conventionally driven target.
引用
收藏
页码:3858 / 3861
页数:4
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