LASER SPECTROSCOPY OF U-I USING STEPWISE EXCITATION AND FLUORESCENCE DETECTION

被引:59
作者
MIRON, E
DAVID, R
EREZ, G
LAVI, S
LEVIN, LA
机构
关键词
D O I
10.1364/JOSA.69.000256
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report 138 Ui odd levels in the region 32260-34900 cm** minus **1 and 16 even levels in the region 49500-49900 cm** minus **1. These levels are reached by two- or three-step selective dye laser excitation, respectively, and detected by fluorescence to lower levels. J values are assigned by identifying decays to known lower levels. Unique J values are presented for 64 levels and partial assignment (two possibilities) for 42 levels. A transition array is given indicating 427 fluorescence lines observed in the blue-green region. The exponential time decay of the fluorescence intensity provides direct determination of excited state lifetimes. Radiative lifetimes of 135 levels are presented.
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页码:256 / 264
页数:9
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