Optical-transition probability of the Nd3+ ion in GdAl3(BO3)4 crystal

被引：60
|
作者：
Wang, GF [1 ]
机构：
[1] Acad Sinica, Fujian Inst Res Struct Matter, Fuzhou 350002, Peoples R China
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2001年 / 18卷 / 02期
关键词：
D O I：
10.1364/JOSAB.18.000173
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optical absorption and emission intensities of the Nd3+ ion in GdAl3(BO3)(4) crystal were investigated. Based on the Judd-Ofelt theory, the following spectral parameters were obtained: parameters of oscillator strengths Omega (lambda) Omega (2) = 1.89 x 10(-20) cm(2), Omega (4) 2.55 x 10(-20) cm(2), and Omega (6) = 4.95 x 10(-20) cm(2); radiative lifetime, 293 mus; and quantum efficiency 18.7%. The fluorescence branch ratios were calculated: beta (1) = 0.341, beta (2) = 0.536, beta3 = 0.117 and beta4 = 0.006. The value of stimulated-emission cross section sigmap was calculated. (C) 2001 Optical Society of America OCIS codes: 140.0140, 140.3530, 160.0160, 160,4670, 300.0300, 300.1030.
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页码：173 / 175
页数：3
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