PLASMA ION EMISSION FROM HIGH-INTENSITY PICOSECOND LASER-PULSE INTERACTIONS WITH SOLID TARGETS

被引：222

作者：

FEWS, AP

NORREYS, PA

BEG, FN

BELL, AR

DANGOR, AE

DANSON, CN

LEE, P

ROSE, SJ

机构：

[1] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND

[2] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,LONDON SW7 2AZ,ENGLAND

[3] UNIV BIRMINGHAM,BIRMINGHAM B15 2TT,ENGLAND

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 73卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.73.1801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The fast ion emission from high intensity, picosecond laser plasmas has been measured to give the characteristic ion energy and the amount of laser energy transferred to ions with energies greater than or equal to 100 keV/ nucleon as a function of incident intensity. The characteristic ion energy varies from 0.2 to 1.3 MeV over the range 2.0 x 10(17)-2.0 x 10(18) W cm(-2). 10% of the laser energy is transferred into MeV ions at 2.0 X 10(18) W cm(-2). Calculations of stopping power in high density materials are presented that show that fast ions cannot be ignored in modeling fast ignitor schemes.

引用

页码：1801 / 1804

页数：4

共 19 条

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