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： 1277次封面文章
Influences of Tm2O3 Doping Concentration on Thermal Stability and Spectroscopic Properties of Germanate Glass
1 中国科学院上海光学精密机械研究所高功率单元技术研发中心, 上海 201800
2 中国科学院大学, 北京 100049
3 中国科学院上海光学精密机械研究所强激光材料重点实验室, 上海 201800
图 & 表
图 1. 锗酸盐玻璃的(a) DSC曲线和(b)抗析晶实验
Fig. 1. (a) DSC curve and (b) anti-crystallization experiment of germanate glass
下载图片 查看原文
图 2. 玻璃的(a) O 1s XPS谱及(b) O 1s峰值结合能与稀土离子掺杂浓度N0间的关系
Fig. 2. (a) O 1s XPS spectra and (b) O 1s peak binding energy versus rare earth ions doping centration N0 of glass
下载图片 查看原文
图 3. 厚度为5 mm的锗酸盐玻璃的红外透过曲线
Fig. 3. Infrared transmission curve of GF germanate glass with thickness of 5 mm
下载图片 查看原文
图 4. (a) Tm3+离子的部分能级图;(b) Tm3+掺杂锗酸盐玻璃的吸收光谱
Fig. 4. (a) Partial energy level diagram of Tm3+ ion; (b) absorption spectra of Tm3+-doped GF germanate glass
下载图片 查看原文
图 5. Tm3+掺杂锗酸盐玻璃的(a)荧光光谱,插图为1880 nm荧光峰强度和(b)归一化荧光光谱,插图为1470 nm荧光峰的放大图
Fig. 5. (a) Fluorescence spectra and (b) normalized fluorescence spectra of Tm3+-doped germanate glass. The inset in Fig.5(a) shows fluorescence peak intensity at 1470 nm and that in Fig.5(b) shows an enlarged view of fluorescence peak at 1470 nm
下载图片 查看原文
图 6. Tm3+掺杂GF5玻璃样品的吸收截面和发射截面
Fig. 6. Absorption and emission cross sections for Tm3+-doped GF5 glass
下载图片 查看原文
图 7. GF5玻璃样品中3F4→3H6跃迁的增益系数光谱
Fig. 7. Gain coefficient spectra of 3F4→3H6 transition for Tm3+-doped GF5 glass sample
下载图片 查看原文
表 1锗酸盐玻璃样品的热稳定性、密度、折射率和Tm3+离子掺杂浓度
Table1. Thermal stability, density, refractive index, Tm3+ doping concentration of germanate glass samples
| Glass | N0 /(1020 cm-3) | Tg /℃ | Tx /℃ | ΔT /℃ | n at 1064 nm | ρ /(g·cm-3) |
|---|
| GF0.1 | 0.164 | 460 | 644 | 184 | 1.7794 | 5.05 | | GF2 | 2.675 | 467 | 716 | 249 | 1.7802 | 5.12 | | GF3 | 4.322 | 466 | 717 | 251 | 1.7808 | 5.11 | | GF4 | 5.926 | 471 | 718 | 247 | 1.7824 | 5.15 | | GF5 | 7.442 | 471 | 720 | 249 | 1.7825 | 5.16 | | GF6 | 9.281 | 472 | 728 | 256 | 1.7850 | 5.19 |
|
查看原文
表 2Tm3+离子掺杂锗酸盐玻璃及其他锗酸盐玻璃的J-O参数
Table2. J-O parameters of Tm3+-doped and other germanate glass
| Glass | Ω2 /(10-20 cm2) | Ω4 /(10-20 cm2) | Ω6 /(10-20 cm2) |
|---|
| GeO2-PbO[18] | 2.81 | 0.29 | 0.86 | | GeO2-TeO2-PbO[3] | 4.27 | 0.92 | 0.96 | | GeO2-Ga2O3-BaO[5] | 5.96 | 1.4 | 1.23 | | GeO2-PbO-BaO-ZnO-K2O[8] | 4.55 | 0.48 | 0.67 | | GF0.1 | 2.36 | 0.74 | 0.83 | | GF2 | 3.91 | 0.97 | 0.86 | | GF3 | 3.75 | 0.93 | 0.89 | | GF4 | 3.80 | 1.03 | 0.86 | | GF5 | 3.75 | 1.00 | 0.85 | | GF6 | 3.71 | 0.92 | 0.84 |
|
查看原文
表 3GF5玻璃Tm3+的自发辐射几率、荧光分支比和辐射寿命
Table3. Spontaneous emission rate, fluorescence branching ratio and radiative lifetime of Tm3+ in GF5 glass
| Initial state | Final state | λ /nm | Aed /s-1 | Amd /s-1 | β /% | τrad /ms |
|---|
| 3H4 | 5056 | 3.83 | 0 | 0.17 | | | 3F3 | 3H5 | 1572 | 381.56 | 0 | 16.73 | 0.44 | | 3F4 | 1164 | 52.79 | 62.27 | 5.05 | | | 3H6 | 684 | 1779.78 | 0 | 78.05 | | | 3H5 | 2281 | 19.25 | 15.45 | 2.43 | | | 3H4 | 3F4 | 1512 | 97.39 | 0 | 6.82 | 0.70 | | 3H6 | 791 | 1296.10 | 0 | 90.75 | | | 3H5 | 3F4 | 4423 | 5.08 | 0 | 1.57 | | | 3H6 | 1209 | 232.36 | 85.13 | 98.43 | 3.10 | | 3F4 | 3H6 | 1648 | 280.52 | 0 | 100 | 3.56 |
|
查看原文
表 43F4能级辐射寿命、测试寿命及3H4能级测试寿命
Table4. Radiation lifetime and testing lifetime of 3F4 level and testing lifetime of 3H4 level
| Glass | τrad /ms | τ1 /ms | τ2 /μs |
|---|
| GF0.1 | 5.08 | 4.06 | 291.30 | | GF2 | 3.48 | 3.20 | 119.33 | | GF3 | 3.63 | 2.77 | 55.33 | | GF4 | 3.50 | 2.64 | 27.88 | | GF5 | 3.56 | 2.21 | 16.96 | | GF6 | 3.65 | 1.12 | 10.17 |
|
查看原文
表 5锗酸盐玻璃的无辐射跃迁性质和WET
Table5. Non-radiative transition properties of germanate glass and WET
| Glass | (W21+W20) /s-1 | WET /(10-20 cm3·s-1) |
|---|
| GF0.1 | 2028.98 | 0 | | GF2 | 2028.98 | 1838 | | GF3 | 2028.98 | 3380 | | GF4 | 2028.98 | 5471 | | GF5 | 2028.98 | 7463 | | GF6 | 2028.98 | 8420 |
|
查看原文
表 6玻璃的Tm3+掺杂浓度、受激发射截面、3F4辐射寿命和WET
Table6. Tm3+ doping concentration, stimulated emission cross section, radiation lifetime of 3F4 level and WET of glass
| Glass | Tm2O3 concentration | σe /(10-21 cm2) | τ1 /ms | WET /(10-20 cm3·s-1) |
|---|
| GF5 | Mass fraction of 5%,mole fraction of 1.8%,particle number concentration of7.44×1020 cm-3 | 5.84 | 2.21 | 7463 | | GeO2-PbO-BaO-ZnO-K2O[7] | Mass fraction of 2% | 6.15 | 1.5 | - | | GeO2-TeO2-PbO[3] | Mole fraction of 1% | 6.5 | 0.83 | 938 | | ZBLAN[20] | Particle number concentration of5.72×1020 cm-3 | 3.5 | - | - | | GeO2-Ga2O-Ba | Mole fraction of 1% | 4.07 | 6.3 | - | | SiO2-Al2O3-CaO[26] | Mole fraction of 0.75% | 3.62 | 0.36 | 338 |
|
查看原文
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.
PDF全文
