期刊
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
卷 44, 期 10, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/44/10/105002
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资金
- Grant Agency of the Academy of Sciences of the Czech Republic [IAA400400705]
- Grants-in-Aid for Scientific Research [21104001, 21104003] Funding Source: KAKEN
The infrared emission spectra of Au, Ag and Cu resulting from the laser ablation of metal targets in a vacuum were recorded using time-resolved Fourier-transform spectroscopy in the 1200-1600, 1900-3600, 4100-5000 and 5200-7500 cm(-1) ranges with a resolution of 0.017 cm(-1). The majority of the observed lines correspond to transitions between low-excited Rydberg (Nd-10)nl(j) states of Cu (N = 3), Ag (N = 4) and Au (N = 5) with a principal quantum number n = 4, ..., 10; the most prominent lines being due to transitions between the states with high orbital momenta l = 3, ..., 5. This study reports 32 new lines of Au, 12 of Ag and 20 of Cu (with uncertainties of 0.0003-0.03 cm(-1)). From the lines observed here and in our previous works, we extract revised energy values for 85 energy levels (uncertainty 0.01-0.03 cm(-1)) of which eight levels of Au, three of Ag and four of Cu are reported for the first time. These newly reported levels have high orbital momentum l = 3, 4, 5.
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