OBSERVATION OF PLASMA-CONFINEMENT IN PICOSECOND LASER-PLASMA INTERACTIONS

被引：31
|
作者：
BELL, AR
BEG, FN
CHANG, Z
DANGOR, AE
DANSON, CN
EDWARDS, CB
FEWS, AP
HUTCHINSON, MHR
LUAN, S
LEE, P
NORREYS, PA
SMITH, RA
TADAY, PF
ZHOU, F
机构：
[1] UNIV BRISTOL,HH WILLS PHYS LAB,BRISTOL BS8 1TL,AVON,ENGLAND
[2] SERC,RUTHERFORD APPLETON LAB,CHILTON OX11 0QX,OXON,ENGLAND
来源：
PHYSICAL REVIEW E | 1993年 / 48卷 / 03期
关键词：
D O I：
10.1103/PhysRevE.48.2087
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：
Novel features associated with multiterawatt laser interactions with solid targets at incident irradiances in the range (1.0-12.0) X 10(17) W cm-2 are presented. Collimation of the plasma flow normal to the target surface has been observed in time-integrated x-ray images and ion-velocity measurements. Ions emitted from the target have a characteristic energy of typically 100 keV. The ion spectrum extends to 1.5 MeV. Calculations are presented that suggest the observed collimation is due to a large magnetic field pinching the plasma.
引用
收藏
页码：2087 / 2093
页数：7
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