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Tm2O3-doped 40GeO2-35TeO2-15PbO-5Al2O3-2.5CaO-2.5SrO glasses with different Tm3+ ion concentrations are fabricated by conventional melt-quenching method. From the measurements of thermal properties it follows that the glass transition temperature is 446 ℃ and crystallization peak does not exist. The maxmium phonon energy of the host is ~ 750 cm-1. The Judd-Ofelt strength parameter Ωt (t = 2, 4, 6), the radiative transition probalities, the branching ratios and the radiative lifetime are calculated according to Judd-Ofelt theory. The emission spectra of Tm3+ doped glasses with different Tm2O3 concentrations are measured under the excitation by an 808 nm diode laser. The result shows that the emission intensity at ~ 1.8 μm reaches a maximal value when the Tm2O3-doping concentration is 1 mol% and then it decreases with the further increase of Tm2O3-doping concentration. The emission cross section of 3F4 → 3H6 is calculated based on the McCumber theory. The peak emission cross-section is 6.5 × 10-21 cm2. The non-radiative transition rate of 3F4 caused by OH is calculated quantitatively by rate equation. The results indicate that the germanate-tellurite glass is a new candidate for mid-infrared laser application.
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Keywords:
- germanate-tellurite glass /
- Tm3+ doping /
- spectral properties
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[38] Wang X, Fan S J, Li K F, Zhang L, Wang S K, Hu L L 2012 J. Appl. Phys. 112 103521
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[42] Wang X, Hu L L, Li K F, Tian Y, Fan S J 2012 Chin. Opt. Lett. 10 101601
[43] de Sousa D F, Nunes L A O 2002 Phys. Rev. B 66 024207
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[1] Tanabe S, Tamai K, Hirao K, Soga N 1993 Phys. Rev. B 47 2507
[2] Hayward R A, Clarkson W A, Turner P W, Nilsson J, Grudinin A B, Hanna D C 2000 Electron. Lett. 36 711
[3] Li G, Gu Y, Yao B, Shan L, Wang Y 2013 Chin. Opt. Lett. 11 091404
[4] Yang J, Tang Y, Xu J 2013 Photon. Res. 1 52
[5] Li S S, Xia H P, Fu L, Dong Y M, Gu X M, Zhang J L, Wang D J, Zhang Y P, Jiang H C, Chen B J 2014 Chin. Phys. B 23 107806
[6] Chen X B, Li S, Ding X L, Yang X D, Liu Q L, Gao Y, Sun P, Yang G J 2014 Chin. Phys. B 23 87809
[7] Li G, Gu Y Q, Yao B Q, Shan L, Wang Y Z 2013 Chin. Opt. Lett. 11 091404
[8] Yu S L, Yang Z M, Xu S H 2010 J. Fluoresc. 20 745
[9] Guo C Z, Shen D Y, Long J Y, Wang F 2012 Chin. Opt. Lett. 10 091406
[10] Wang Q, Geng J H, Luo T, Jiang S B 2009 Opt. Lett. 34 3616
[11] Li K F, Zhang G, Hu L L 2010 Opt. Lett. 35 4136
[12] Wu J F, Yao Z, Zong J, Jiang S B 2007 Opt. Lett. 32 638
[13] Walsh B M, Barnes N P 2004 Appl. Phys. B 78 325
[14] Li X T, Liu X Q, Zhang L Y, Hu L L, Zhang J J 2013 Chin. Opt. Lett. 11 121601
[15] Yang J H, Dai S X, Zhou Y F, Wen L, Hu L L, Jiang Z H 2003 J. Appl. Phys. 93 977
[16] Shin Y B, Cho W Y, Heo J 1996 J. Non-Cryst. Solids 208 29
[17] Yang Q, Chen D D, Qian Q, Zhang Q Y, Yang Z M, Jiang Z H 2009 J. Inorgan. Mater. 24 1049 (in Chinese) [杨琼, 陈东丹, 钱奇, 张勤远, 杨中民, 姜中宏 2009 无机材料学报 24 1049]
[18] Jewell J M, Busse L E, Crahan K, Harbison B B, Aggarwal I D 1994 Proc. SPIE 2287 154
[19] Duffy J A 1989 J. Non-Cryst. Solids 109 35
[20] Gaskell D R 1989 Metall. Trans. B 20 113
[21] Liao M S, Fang Y Z, Sun H T, Hu L L 2007 Opt. Mater. 29 867
[22] Takebe H, Nageno Y, Morinaga K 1995 J. Am. Ceram. Soc. 78 1161
[23] Takebe H, Nageno Y, Morinaga K 1994 J. Am. Ceram. Soc. 77 2132
[24] Yeh D C, Petrin R R, Sibley W A, Madigou V, Adam J L, Suscavage M J 1989 Phys. Rev. B 39 80
[25] Wachtler M, Speghini A, Gatterer K, Fritzer H P, Ajo D, Bettinelli M 1998 J. Am. Ceram. Soc. 81 2045
[26] Shi D M, Zhang Q Y, Yang G F, Jiang Z H 2007 J. Non-Cryst. Solids 353 1508
[27] Wang X, Li K F, Fan S J, Bai G X, Hu L L 2013 J. Inorgan. Mater. 28 165 (in Chinese) [王欣, 李科峰, 凡思军, 白功勋, 胡丽丽 2013 无机材料学报 28 165]
[28] Zhang L Y, Zhang J J, Yu C L, Hu L L 2010 J. Appl. Phys. 108 103117
[29] Tian Y, Xu R R, Zhang L Y, Hu L L 2010 J. Appl. Phys. 108 083504
[30] Doualan J L, Girard S, Haquin H, Adam J L, Montagne J 2003 Opt. Mater. 24 563
[31] Li M, Bai G X, Guo Y Y, Hu L L, Zhang J J 2012 J. Lumin. 132 1830
[32] Zou X L, Toratani H 1996 J. Non-Cryst. Solids 195 113
[33] Wang Y C, Xia H P, Zhang J L, Zhang Q Y 2010 Acta Phys. Sin. 59 5808 (in Chinese) [王勇超, 夏海平, 章践立, 张勤远 2010 59 5808]
[34] Wu J F, Jiang S B, Qiu T Q, Morrell M, Schulzgen A, Peyghambarian N 2005 Proc. SPIE 5723 152
[35] Gomes L, Lousteau J, Milanese D, Scarpignato G C, Jackson S D 2012 J. Appl. Phys. 111 063105
[36] Dexter D L 1953 J. Chem. Phys. 21 836
[37] Tarelho L V G, Gomes L, Ranieri I M 1997 Phys. Rev. B 56 14344
[38] Wang X, Fan S J, Li K F, Zhang L, Wang S K, Hu L L 2012 J. Appl. Phys. 112 103521
[39] Han Y S, Heo J, Shin Y B 2003 J. Non-Cryst. Solids 316 302
[40] Balda R, Fernández J, García-Revilla S, Fernández-Navarro J M 2007 Opt. Express 15 6750
[41] Xu R R, Tian Y, Hu L L, Zhang J J 2011 J. Phys. Chem. A 115 6488
[42] Wang X, Hu L L, Li K F, Tian Y, Fan S J 2012 Chin. Opt. Lett. 10 101601
[43] de Sousa D F, Nunes L A O 2002 Phys. Rev. B 66 024207
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