SOFT-X-RAY AMPLIFICATION IN A CAPILLARY DISCHARGE

被引：73

作者：

SHIN, HJ

KIM, DE

LEE, TN

机构：

[1] Department of Physics, Pohang University of Science and Technology

来源：

PHYSICAL REVIEW E | 1994年 / 50卷 / 02期

关键词：

D O I：

10.1103/PhysRevE.50.1376

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：

Soft-x-ray amplification in the C VI Balmer alpha transition is observed in a capillary discharge. The capillary is made of polyethylene with a bore diameter of 1.2 mm. A hot and dense carbon plasma which is formed on the capillary axis region expands radially and collides with the wall where it undergoes a rapid cooling and subsequent recombination. The amplification takes place in this cool (T(e) approximately 13 eV) plasma region, according to space-resolved spectral data obtained using a 2-m grazing incidence spectrograph. The gain coefficient is measured to be 2.8 cm-1.

引用

页码：1376 / 1382

页数：7

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