Measurement and identification of visible lines from W10+

被引：10

作者：

Lu, Q. ^{[1
]}

Yan, C. L. ^{[1
]}

Fu, N. ^{[1
]}

Yang, Y. ^{[1
]}

Chen, C. Y. ^{[1
]}

Xiao, J. ^{[1
]}

Wang, K. ^{[2
]}

Zou, Y. ^{[1
]}

机构：

[1] Fudan Univ, Inst Modern Phys, Shanghai EBIT Lab, Key Lab Nucl Phys & Ion Beam Applicat,MOE, Shanghai 200433, Peoples R China

[2] Hebei Univ, Coll Phys Sci & Technol, Hebei Key Lab Opt Elect Informat & Mat, Baoding 071002, Peoples R China

来源：

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2021年 / 262卷

基金：

中国国家自然科学基金;

关键词：

Tungsten spectroscopy; Electron-beam ion trap; FAC calculations; GRASP calculations; Collisional-radiative modeling; TRANSITION RATES; ENERGY-LEVELS; X-RAY; WAVELENGTHS; SPECTROSCOPY; SPECTRA; ITER; M1;

D O I：

10.1016/j.jqsrt.2021.107533

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present the first measurements of visible radiation from W10+. The ions are produced and confined in an electron-beam ion trap (EBIT) at Shanghai EBIT Laboratory, and the spectra are recorded with a Czerny-Turner spectrometer in the wavelength range 30 0-70 0 nm. The observed five new spectral lines are identified using detailed collisional-radiative (CR) modeling of the EBIT spectra. In addition, we perform large-scale theoretical calculations for the lowest 50 energy levels of W 10 + using FAC and GRASP codes. The excitation energies obtained by the two independent calculations fit well with each other, with-0.5% difference on average, and the resulting values are adopted to check our line identifications, with wavelength deviations from experimental results-1.5% on average. (C) 2021 Elsevier Ltd. All rights reserved.

引用

页数：6

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