本文制备了掺不同浓度Ho3+氟化镓铟玻璃为基质的上转换发光材料20GaF3-15InF3-20CdF2-15ZnF2-(20-x)PbF2-10SnF2-xHoF3(x=0.1,0.3,0.5,1.0,1.5,2.0),通过对样品的吸收、发射光谱和发光衰减过程的研究,认为在643nm激发下,5G5→I8(422nm)、5F3→I8(480nm)和5S2→I8(520nm)三个发光为双光子上转换发光.在726nm激发下,5F3→I8(483nm)和5F4(5S2)→I8(540nm)为上转换发光,其中483nm属于双光子过程,540nm是雪崩上转换.
参考文献
| [1] | 陈晓波;张光寅;宋增福 .稀土化合物材料上转换发光与激光的研究与进展[J].光谱学与光谱分析,1995,15(03):1-6. |
| [2] | C.Galassi;F.Craciun .Processing and characterization of high Qm ferroelectric ceramics[J].Journal of the European Ceramic Society,1999(6/7):1237-1241. |
| [3] | Watts R K .Infrared to visible conversion in LiYF4:Yb,Ho[J].Chemical Physics,1970,53:3552-3557. |
| [4] | Hewes R A .Multiphoton excitation and efficiency in the yb3+-R.E.3+(Ho3+,Ers3+,and Tm3+)systems[J].Lumin,1970,1-2:778-796. |
| [5] | Johnson L F;Guggenheim H J .Infrared-pumped visible laser[J].Appl Phys Lea,1971,19:44-47. |
| [6] | Chamarro M A;Cases R .Energy up-conversion in (Yb,Ho) and (Yb,Tm)doped fluorchafnate glassas[J].Lumin,1988,42:267-274. |
| [7] | Hirao K;Kishimoto S;Tanaka K et al.Upconversion fluor-escence of Ho3+in TeO2-based glasses[J].Non-Cryst Solids,1992,140:123-129. |
| [8] | Reddy B R et al.Near-infrared-to-blue energy upeonversinn in LaF3:HO3+[J].Journal of the Optical Society of America B:Optical Physics,1994,11(05):923-927. |
| [9] | Allain J K;Momerie M;Poignant H .Room temperature CW tunable upconversion holmium fiber laser[J].Electronics Letters,1990,27:261-263. |
| [10] | Rakov N;Maciel G S;Cid B .de Aranjo-Energy tramfor assisted frquency upconversion in Hos3+ doped fruoroindate glass[J].Journal of Applied Physics,2002,91(03):1272-1276. |
| [11] | Caspers H H;Rast H E;Fry J L .Absorption,fluorescence,and energy levels of HO3+ in LaF3[J].Chem Plays,1970,53:3208-3216. |
| [12] | Zhang X.;Jouart JP.;Mary G.;Liu XG. .Red laser-induced up-conversion mechanisms in Ho3+ doped LaF3 crystal[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,1998(4):289-293. |
| [13] | Lahoz F;Martin I R;Guadalupe V L et al.Room temperature photon avalanche up-conversion in Ho3+ doped fluoroindate glasses under excitation at 747um[J].Optical Materials,2004,25:209-213. |
| [14] | Lavin V;Lahoz F;Martin I R et al.Infrared-to-vible photon avalanche upconversion dynamics in Ho3+ -doped fluorozirconate glasses at room temperature[J].Optical Materials,2005,27:1754-1761. |
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