制备了新型掺Er3+铋铅锶玻璃,研究了玻璃的吸收光谱和上转换光谱性质,应用Judd-Ofelt理论计算了铋铅锶玻璃的3个强度参量Ωt(t=2,4,6),分别为Ω2=3.27×10-20 cm2,Ω4=1.15×10-20cm2,Ω6=0.38×10-20 cm2.计算了Er3+离子的振子强度、自发辐射跃迁几率、荧光分支比和辐射寿命等光谱参数.研究了上转换发光强度随泵浦激光功率的变化,上转换荧光525,546和657 nm曲线的斜率分别为1.86,1.88和1.85,表明红、绿光发射均为双光子吸收过程.
参考文献
| [1] | Man SQ.;Chung PS.;Pun EYB. .Upconversion luminescence of Er3+ in alkali bismuth gallate glasses[J].Applied physics letters,2000(4):483-485. |
| [2] | Xu S Q;Yang Z M;Dai S X .Upconversion fluorescence spectroscopy of Er3 + -doped lead oxyfluoride germanate glass[J].Materials Letters,2004,58:1026. |
| [3] | 徐时清,杨中民,戴世勋,张军杰,胡丽丽,姜中宏.Spectroscopic Properties and Judd-Ofelt Theory Analysis of Er3+-Doped Heavy Metal Oxyfluoride Silicate Glass[J].稀土学报(英文版),2004(03):375-380. |
| [4] | Sun HT;Xu SQ;Dai SX;Zhang JJ;Hu LL;Jiang ZH .Intense frequency upconversion emission of Er3+/Yb3+-codoped natrium-barium-strontium-lead-bismuth glasses[J].Solid State Communications,2004(3/4):193-196. |
| [5] | Sun HT;Dai SX;Xu SQ;Hu LL;Jiang ZH .Frequency upconversion emission of Er3+-doped strontium-lead-bismuth glasses[J].Chinese physics letters,2004(11):2292-2294. |
| [6] | Sun H T;Dai S X;Xu S Q .Optical transitions and frequency upconversion fluorescence of Er3 +/Yb3 + -codoped strontium-leadbismuth glasses[J].Materials Letters,2004,58:3948. |
| [7] | Yang J H;Dai S X;Wen L .Spectroscopic properties of erbrium-doped bismuth-based glass[J].Acta Photonica Sinica(in Chin),2002,31:1382. |
| [8] | 孙洪涛,张德宝,徐时清,戴世勋,胡丽丽,姜中宏.Physical Properties of Novel Lead-Bismuthate Glasses with Large Transmitting Windows[J].中国物理快报（英文版）,2004(09):1759-1761. |
| [9] | Judd B R .Optical absorption intensities of rare earth ions[J].Physical Review,1962,127:750. |
| [10] | Ofelt G S .Intensities of crystal spectra of rare earth ions[J].Journal of Chemical Physics,1962,37:511. |
| [11] | Carnall W T .Spectral intensities of the trivalent lanthanides and actinides in solution, Ⅰ . Pr3+ , Nd3 +, Er3+, Tm3 + and Yb3+[J].Journal of Chemical Physics,1965,42:3797. |
| [12] | Weber M J .Selective excitation and decay of Er3 + fluorescence in LaF3[J].Physical Review,1967,156:231. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%