中国激光, 2018, 45 (6): 0603001, 网络出版: 2018-07-05
Tm2O3掺杂浓度对锗酸盐玻璃热稳定性及光谱性质的影响 下载: 1272次封面文章
Influences of Tm2O3 Doping Concentration on Thermal Stability and Spectroscopic Properties of Germanate Glass
材料 锗酸盐玻璃 掺铥玻璃 光谱性质 热稳定性 materials germanate glass Tm
3+-doped glass spectroscopic properties thermal stability
摘要
用高温熔融法制备了Tm2O3掺杂的55GeO2-15PbO-5PbF2-10BaO-10ZnO-5K2O锗酸盐玻璃,测试了该玻璃的热稳定性和结构,得到其热稳定性参数大于180 ℃。通过红外光谱测试了该玻璃的羟基含量,得到羟基吸收系数小于0.51 cm
-1。测试了不同Tm2O3掺杂浓度下样品的吸收光谱和荧光光谱。研究结果表明,随着Tm2O3质量分数的增加,Tm
3+之间的交叉弛豫速率增大。当Tm2O3的质量分数为5%时,1880 nm处的荧光强度最强,
3F4到
3H6能级跃迁的峰值发射截面高达5.84×10
-21 cm
2。
Abstract
The Tm2O3-doped 55GeO2-15PbO-5PbF2-10BaO-10ZnO-5K2O germanate glass is fabricated by using the high temperature melt-quenching method. The thermal stability and structures of this glass are measured, and the thermal stability coefficient of this glass is greater than 180 ℃. The hydroxyl content of this glass is measured by a infrared spectroscopy and the hydroxyl absorption coefficient is less than 0.51 cm
-1. The absorption and fluorescence spectra are obtained under different Tm2O3 doping concentrations. The research results show that the cross-relaxation rate increases with the increase of Tm2O3 mass fraction. When the mass fraction of Tm2O3 is 5%, the fluorescence intensity at a wavelength of 1880 nm reaches the maximum, and the peak emission cross section of
3F4→
3H6 energy transition is up to 5.84×10
-21 cm
2.
焦孟珺, 王欣, 胡丽丽. Tm2O3掺杂浓度对锗酸盐玻璃热稳定性及光谱性质的影响[J]. 中国激光, 2018, 45(6): 0603001. Mengjun Jiao, Xin Wang, Lili Hu. Influences of Tm2O3 Doping Concentration on Thermal Stability and Spectroscopic Properties of Germanate Glass[J]. Chinese Journal of Lasers, 2018, 45(6): 0603001.