Measurement and analysis of the extreme ultraviolet emission band of laser-produced antimony plasmas

被引：1

作者：

Cao, Shiquan ^{[1
]}

Su, Maogen ^{[1
]}

Min, Qi ^{[1
]}

Sun, Duixiong ^{[1
]}

Wu, Lei ^{[1
]}

He, Siqi ^{[1
]}

Wang, Kaiping ^{[1
]}

Ma, Pengpeng ^{[1
]}

Dong, Chenzhong ^{[1
]}

机构：

[1] Northwest Normal Univ, Coll Phys & Elect Engn, Key Lab Atom & Mol Phys & Funct Mat Gansu Prov, Lanzhou 730070, Gansu, Peoples R China

来源：

PLASMA SCIENCE & TECHNOLOGY | 2019年 / 21卷 / 04期

基金：

中国国家自然科学基金;

关键词：

laser-produced plasmas; highly-charged ions; EUV emission; antimony; 4D PHOTOABSORPTION; SPECTRA; EVOLUTION; DESIGN; TIN; SB;

D O I：

10.1088/2058-6272/aaf7dc

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：

The temporal evolution of extreme ultraviolet (EUV) emission spectra of laser-produced antimony (Sb) plasmas has been measured in the 7-16 nm wavelength region using spatio-temporally resolved lase-produced plasma spectroscopy technique. The spectral profiles involve an intense quasi-continuous band with superimposed intense characteristic radiation and are different with the increase of delay time. The spectral structures were also analyzed according to Hartree-Fock calculations with configuration interaction effects and contributed from 4d-4f, 4d-4p, and 4d-5f unresolved transition arrays of Sb7+-Sb13+. A steady-state collisional-radiative model was used to estimate the electron temperature and density range of Sb plasmas. This work would enrich the spectral data of highly-charged ions and provided a possible selection for developing EUV light sources.

引用

页数：5

共 24 条

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