Optical transition probability of Nd3+ ions in a α-Nd3+:LaSc3(BO3)4 crystal

被引：62
|
作者：
Wang, GF [1 ]
Chen, WZ [1 ]
Li, ZB [1 ]
Hu, ZS [1 ]
机构：
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, Fuzhou 350002, Fujian, Peoples R China
来源：
PHYSICAL REVIEW B | 1999年 / 60卷 / 23期
关键词：
D O I：
10.1103/PhysRevB.60.15469
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Optical absorption acid emission intensities are investigated for Nd3+ ions in a alpha-Nd3+:LaSc3(BO3)(4) crystal. Oscillator strengths of transition were measured from absorption:spectra recorded at 300 K. Corresponding oscillator strengths for transition between the J manifold were calculated using the Judd-Ofelt theory. Phenomenological intensity parameters were derived from a least-squares-fitting procedure. The root-mean-square deviation of observed and calculated oscillator strengths was +/-8.1%. The intensity parameters were also used to calculate the radiative transition probabilities and branching ratios from a level of F-4(3/2), which fluoresce in a alpha-Nd3+:LaSc3(BO3)(4) crystal. The stimulated emission cross sections sigma(p) were calculated. It was concluded that alpha-Nd3+:LaSC3(BO3)(4) crystal is a laser material with high-emission intensity. [S0163-1829(99)11843-5].
引用
收藏
页码：15469 / 15471
页数：3
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