The determination of radiative lifetime for some Eu I levels by time-resolved laser-induced fluorescence spectroscopy

被引：2
|
作者：
Shang, Xue [1 ]
Zhou, Chunxiao [1 ]
Ma, Lei [1 ]
Cao, Binfang [1 ]
机构：
[1] Hunan Univ Arts & Sci, Coll Phys & Elect Sci, Changde 415000, Peoples R China
来源：
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2019年 / 224卷
基金：
中国国家自然科学基金;
关键词：
Laser-induced fluorescence; Atomic spectroscopy; Radiative lifetime; TRANSITION-PROBABILITIES;
D O I：
10.1016/j.jqsrt.2018.11.007
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Natural radiative lifetimes for 15 excited levels of Eu I were measured using time-resolved laser-induced fluorescence (TR-LIF) technique in a laser-induced europium plasma. The levels are in the energy range from 35612.47 to 50040 cm(-1). The lifetimes range from 9.4 to 436ns with the uncertainties within ten percent. To our best knowledge, 11 lifetimes of Eu I are reported for the first time. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：103 / 106
页数：4
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