Radiative lifetimes of highly excited odd-parity levels of neutral lanthanum

被引：0
|
作者：
Y. Y. Feng
Q. Wang
L. Y. Jiang
Z. K. Jiang
Z. W. Dai
机构：
[1] Jilin University,College of Physics
[2] Ministry of Education,Key Lab of Coherent Light, Atomic and Molecular Spectroscopy
来源：
The European Physical Journal D | 2011年 / 65卷
关键词：
Decay Curve; Radiative Lifetime; Exciting Pulse; Excitation Scheme; Digital Delay Generator;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
New radiative lifetimes of 24 high-lying odd-parity levels of neutral lanthanum are reported using time-resolved laser-induced fluorescence (TR-LIF) spectroscopy. The investigated levels ranging from 34 213 to 40 910 cm-1 were excited from the ground or metastable states using one-photon excitation. La atoms are produced by laser ablation on a solid La sample. The lifetimes were evaluated from transient LIF signals detected with a fast detection system. The obtained lifetime results, generally with uncertainties less than  ±7%, are in the range from 15.7 to 121 ns.
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页码：299 / 302
页数：3
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