EFFECT OF A STRONG AXIAL MAGNETIC-FIELD IN THE PLASMA RECOMBINATION AND EXTREME ULTRAVIOLET EMISSION FROM A HIGHLY-IONIZED CAPILLARY DISCHARGE

被引：3

作者：

MARCONI, MC ^{[1
]}

ROCCA, JJ ^{[1
]}

SCHMERGE, JF ^{[1
]}

VILLAGRAN, M ^{[1
]}

LEHMANN, FJ ^{[1
]}

机构：

[1] LOCKHEED ADV DEV CO,BURBANK,CA 91520

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1990年 / 26卷 / 10期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1109/3.60905

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The effect of an externally-applied 70-100 kG axial magnetic field in the temporal evolution of the extreme ultraviolet emission from a 500-mu-m diameter highly-ionized LiH capillary discharge has been studied. In the absence of external magnetic confinement, strong emission from ionic transitions excited by collisional recombination is observed at the end of the current pulse. The externally-applied magnetic field is observed to reduce the intensity of the recombination lines by decreasing the rate of plasma cooling by electron heat conduction to the capillary walls. In contrast, the self-generated magnetic field of the discharge aids to the generation of an initially hot plasma, and allows rapid conduction cooling at the end of the current pulse. The results are discussed in relation to a proposed capillary-discharge-excited extreme ultraviolet recombination laser scheme.

引用

页码：1809 / 1814

页数：6

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