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宁波大学 光电子功能材料重点实验室,浙江 宁波,315211
纸质出版日期:2012-11-10,
收稿日期:2012-6-19,
修回日期:2012-9-1,
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庄晓波, 夏海平, 张约品. 掺Tm<sup>3+</sup>有机-无机复合材料的合成及光谱参数计算[J]. 发光学报, 2012,(11): 1209-1214
ZHUANG Xiao-bo, XIA Hai-ping, ZHANG Yue-pin. Fabrication and Optical Parameter Calculation of Tm<sup>3+</sup>-doped Organic-inorganic Materials[J]. Chinese Journal of Luminescence, 2012,(11): 1209-1214
庄晓波, 夏海平, 张约品. 掺Tm<sup>3+</sup>有机-无机复合材料的合成及光谱参数计算[J]. 发光学报, 2012,(11): 1209-1214 DOI: 10.3788/fgxb20123311.1209.
ZHUANG Xiao-bo, XIA Hai-ping, ZHANG Yue-pin. Fabrication and Optical Parameter Calculation of Tm<sup>3+</sup>-doped Organic-inorganic Materials[J]. Chinese Journal of Luminescence, 2012,(11): 1209-1214 DOI: 10.3788/fgxb20123311.1209.
以正硅酸乙酯与γ-(2
3-环氧丙氧基)丙基三甲氧基硅烷为前驱体
应用溶胶-凝胶技术
合成了Tm
3+
离子掺杂的有机-无机复合材料。从吸收光谱特性出发
应用Judd-Ofelt理论
计算得到了Tm
3+
离子的J-O强度参量(
Ω
2
Ω
4
Ω
6
)及Tm
3+
离子各激发能级的自发辐射跃迁概率、荧光分支比及辐射寿命等光谱参量。根据McCumber理论计算了Tm
3+
离子能级
3
H
6
←→
3
F
4
(1.8 μm)跃迁的吸收截面和受激发射截面
同时
根据所获得的吸收截面、发射截面以及掺杂离子浓度等参数获得了Tm
3+
离子在凝胶玻璃中的增益截面函数。与其它玻璃掺杂基质比较可知
Tm
3+
掺杂的有机改良硅酸盐玻璃在~1.8 μm和~2.0 μm波段的中红外激光中有潜在的应用前景。
Tm
3+
doped organic-inorganic materials were fabricated with ethyl silicate and 3-glycidyloxypropy-trimethoxysilane as precursors by sol-gel method. According to the Judd-Ofelt theory
the Judd-Ofelt strength parameters(
Ω
2
Ω
4
Ω
6
)were calculated in terms of the characteristics of the absorption spectra and the physical-chemical properties. Meanwhile
according to the McCumber theory
the absorption and stimulate emission cross-section corresponding to the
3
H
6
←→
3
F
4
(1.8 μm) transition of Tm
3+
were also calculated. The gain cross section was calculated by using the emission cross-section
absorption cross-section and Tm
3+
concentration. These Tm
3+
-doped organic- inorganic materials would have a potential application in mid-infrared lasers at about 1.8 and 2.0 μm wavelength.
Tm3+离子有机-无机复合材料光谱参数增益特性
Tm3+ ionsorganic-inorganic materialoptical spectragain properties
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