Demonstration of soft x-ray laser of Ne-like Ar at 69.8 nm pumped by capillary discharge

被引：24

作者：

Zhao, Yongpeng ^{[1
]}

Jiang, Shan ^{[1
]}

Xie, Yao ^{[1
]}

Yang, Dawei ^{[2
]}

Teng, Shupeng ^{[1
]}

Chen, Deying ^{[1
]}

Wang, Qi ^{[1
]}

机构：

[1] Harbin Inst Technol, Natl Key Lab Sci & Technol Tunable Laser, Harbin 150080, Peoples R China

[2] China Inst Atom Energy, Beijing 102413, Peoples R China

来源：

OPTICS LETTERS | 2011年 / 36卷 / 17期

基金：

中国国家自然科学基金;

关键词：

ARGON; AMPLIFIER; EMISSION; IONS; IX;

D O I：

10.1364/OL.36.003458

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The demonstration of a 69.8nm laser on 3p (3)P(2) - 3s (1)P(1) (J = 2 - 1) transition of Ne-like Ar pumped by capillary discharge is reported in this Letter. A main current of 12 kA with rise time of 43 ns was chosen to generate the plasma in a 35cm long capillary filling with pressure of Ar as low as 11 Pa, resulting in a gain coefficient of 0.34 cm(-1) and gain-length product of 11 at 69.8nm. Also observed is a weak laser on 3p (3)D(2) - 3s (3)P(1) (J = 2 - 1) transition of Ne-like Ar at 72.6nm in the same condition. In addition, multiwavelength lasing at 46.9, 69.8, and 72.6nm was simultaneously realized in a capillary discharge plasma column, conditioning the pressure of Ar to 13 Pa. (C) 2011 Optical Society of America

引用

页码：3458 / 3460

页数：3

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