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.
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页数：6
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