Spectroscopic properties of Ho3+ doped Sc2O3 transparent ceramic for laser materials

被引：29
|
作者：
Gheorghe, C. [1 ]
Lupei, A. [1 ]
Lupei, V. [1 ]
Gheorghe, L. [1 ]
Ikesue, A. [2 ]
机构：
[1] Natl Inst Laser Plasma & Radiat Phys, ECS Lab, Bucharest 077125, Romania
[2] World Lab Co Ltd, Atsuta Ku, Nagoya, Aichi 46568587, Japan
来源：
JOURNAL OF APPLIED PHYSICS | 2009年 / 105卷 / 12期
关键词：
OPTICAL-ABSORPTION INTENSITIES; RARE-EARTH IONS; FIBER LASER; MU-M; EMISSION; CRYSTALS; PARAMETERS; CONVERSION; SPECTRA; GREEN;
D O I：
10.1063/1.3153949
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Systematic high resolution spectral investigations of trivalent holmium doped in Sc(2)O(3) polycrystalline transparent ceramic were performed. The spectral characteristics (Stark energy levels, absorption, and emission cross sections) as well as the Judd-Ofelt (JO) intensity parameters Omega(t) (t=2,4,6) for the f-f transitions of the C(2)-symmetry center of Ho(3+) in Sc2O3 transparent ceramics were determined. The JO intensity parameters are used to estimate the emission probabilities, radiative lifetimes, and branching ratios of the different Ho3+ transitions. The emission gain cross section for the (5)I(7) -> (5)I(8) and (5)I(6) -> (5)I(8) transitions of special interest for laser application were determined. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3153949]
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页数：6
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