Abstract

The aerodynamic levitation method has been employed to fabricate Er3+/Yb3+ co-doped Nb2O5-La2O3-Ta2O5 glasses. The maximum phonon energy is about 735 cm−1 and the phonon density decreases with the increase of Yb3+. Small phonon density is favorable for upconversion luminescence. The absorption intensity at ~976 nm is improved by Yb3+. The glasses show high thermal stability and glass forming ability is enhanced by Yb3+. Green, red, and near infrared emissions are obtained and upconversion luminescence increases with Yb3+, which agrees well with the analysis of Raman and absorption spectra. As Yb3+ increases, the lifetime is enhanced. The results of lifetime measurement confirm the tendency of upconversion luminescence with Yb3+ ions.

© 2017 Optical Society of America

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    [Crossref]
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    [Crossref]
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    [Crossref]
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    [Crossref]
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    [Crossref] [PubMed]

2017 (4)

D. D. Ramteke, R. E. Kroon, and H. C. Swart, “Infrared emission spectroscopy and upconversion of ZnO-Li2O-Na2O-P2O5 glasses doped with Nd3+ ions,” J. Non-Cryst. Solids 457, 157–163 (2017).
[Crossref]

H. Y. Zhu, M. Lin, G. R. Jin, T. J. Lu, and F. Xu, “A modified energy transfer model for determination of upconversion emission of beta-NaYF4:Yb,Er: Role of self-quenching effect,” J. Lumin. 185, 292–297 (2017).
[Crossref]

J. G. Hao, Z. J. Xu, R. Q. Chu, S. Chu, W. Li, P. Fu, J. Du, and C. C. Hu, “Bright upconversion emission and large strain in Er/Sb-codoped (Bi0.5Na0.5)0.945Ba0.065TiO3 ceramics,” Mater. Lett. 193, 138–141 (2017).
[Crossref]

Y. S. Huang, S. J. Sun, F. F. Yuan, L. Z. Zhang, and Z. B. Lin, “Spectroscopic properties and continuous-wave laser operation of Er3+:Yb3+:LaMgB5O10 crystal,” J. Alloys Compd. 695, 215–220 (2017).
[Crossref]

2016 (9)

D. Lu, C. Mao, S. K. Cho, S. Ahn, and W. Park, “Experimental demonstration of plasmon enhanced energy transfer rate in NaYF4:Yb3+,Er3+ upconversion nanoparticles,” Sci. Rep. 6(1), 18894 (2016).
[Crossref] [PubMed]

Y. Y. Guo, D. Y. Wang, X. Zhao, and F. Wang, “Fabrication, microstructure and upconversion luminescence of Yb3+/Ln3+ (Ln=Ho, Er, Tm) co-doped Y2Ti2O7 ceramics,” Mater. Res. Bull. 73, 84–89 (2016).
[Crossref]

X. N. Chai, J. Li, X. S. Wang, Y. X. Li, and X. Yao, “Color-tunable upconversion photoluminescence and highly performed optical temperature sensing in Er3+/Yb3+ co-doped ZnWO4,” Opt. Express 24(20), 22438–22447 (2016).
[Crossref] [PubMed]

X. Wen, G. Tang, Q. Yang, X. Chen, Q. Qian, Q. Zhang, and Z. Yang, “Highly Tm3+ doped germanate glass and its single mode fiber for 2.0 μm laser,” Sci. Rep. 6(1), 20344 (2016).
[Crossref] [PubMed]

C. Mi, J. Wu, Y. Yang, B. Han, and J. Wei, “Efficient upconversion luminescence from Ba5Gd8Zn4O21:Yb3+, Er3+ based on a demonstrated cross-relaxation process,” Sci. Rep. 6(1), 22545 (2016).
[Crossref] [PubMed]

L. Li, W. Xu, L. Zheng, F. Qin, Y. Zhou, Z. Liang, Z. Zhang, and W. Cao, “Valley-to-peak intensity ratio thermometry based on the red upconversion emission of Er3+,” Opt. Express 24(12), 13244–13249 (2016).
[Crossref] [PubMed]

M. H. Zhang, H. Q. Wen, H. M. Yu, F. Ai, H. Shao, X. H. Pan, M. B. Tang, J. D. Yu, L. J. Gai, and Y. Liu, “Study on upconversion luminescence and thermal properties of Ho3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glasses,” J. Alloys Compd. 672, 7–12 (2016).
[Crossref]

D. D. Ramteke, V. Kumar, and H. C. Swart, “Spectroscopic studies of Sm3+/Dy3+ co-doped lithium boro-silicate glasses,” J. Non-Cryst. Solids 438, 49–58 (2016).
[Crossref]

F. T. Aquino, J. L. Ferrari, L. J. Q. Maia, S. J. L. Ribeiro, A. Ferrier, P. Goldner, and R. R. Goncalves, “Near infrared emission and multicolor tunability of enhanced upconversion emission from Er3+-Yb3+ co-doped Nb2O5 nanocrystals embedded in silica-based nanocomposite and planar waveguides for photonics,” J. Lumin. 170, 431–443 (2016).
[Crossref]

2015 (4)

J. Y. Li, J. Q. Li, B. Li, J. D. Yu, and L. H. Qi, “An upconversion niobium pentoxide bulk glass codoped with Er3+/Yb3+ fabricated by aerodynamic levitation method,” J. Am. Ceram. Soc. 98(6), 1865–1869 (2015).
[Crossref]

R. S. Yadav, R. K. Verma, A. Bahadur, and S. B. Rai, “Infrared to infrared upconversion emission in Pr3+/Yb3+ co-doped La203 crossMark and La(OH)3 nano-phosphors: A comparative study,” Spectrochim. Acta A 142, 324–330 (2015).
[Crossref]

X. G. Ma, Z. J. Peng, and J. Q. Li, “Effect of Ta2O5 substituting on thermal and optical properties of high refractive index La2O3-Nb2O5 glass system prepared by aerodynamic levitation method,” J. Am. Ceram. Soc. 98(3), 770–773 (2015).
[Crossref]

F. C. Liu, Q. Han, T. G. Liu, Y. F. Chen, Y. Du, and Y. Z. Yao, “Synthesis and down-conversion luminescence properties of Er3+/Yb3+ co-doped AlF3-PbF2-CaF2 powders,” Opt. Mater. 46, 77–81 (2015).
[Crossref]

2014 (1)

K. Smits, A. Sarakovskis, L. Grigorjeva, D. Millers, and J. Grabis, “The role of Nb in intensity increase of Er ion upconversion luminescence in zirconia,” J. Appl. Phys. 115(21), 213520 (2014).
[Crossref]

2012 (2)

R. J. Amjad, M. R. Sahar, S. K. Ghoshal, M. R. Dousti, S. Riaz, and B. A. Tahir, “Enhanced infrared to visible upconversion emission in Er3+ doped phosphate glass: Role of silver nanoparticles,” J. Lumin. 132(10), 2714–2718 (2012).
[Crossref]

X. H. Pan, J. D. Yu, Y. Liu, S. Yoda, M. H. Zhang, F. Ai, F. Jin, H. M. Yu, and W. Q. Jin, “Infrared to visible upconversion luminescence in Er3+/Yb3+ doped titanate glass prepared by containerless processing,” J. Lumin. 132(4), 1025–1029 (2012).
[Crossref]

2010 (2)

A. Masuno and H. Inoue, “High refractive index of 0.30La2O3-0.70Nb2O5 glass prepared by containerless processing,” Appl. Phys. Express 3(10), 102601 (2010).
[Crossref]

K. F. Li, Q. A. Zhang, G. X. Bai, S. J. Fan, J. J. Zhang, and L. L. Hu, “Energy transfer and 1.8 mu m emission in Tm3+/Yb3+ codoped lanthanum tungsten tellurite glasses,” J. Alloys Compd. 504(2), 573–578 (2010).
[Crossref]

2009 (2)

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

B. Zhou, E. Y. B. Pun, H. Lin, D. L. Yang, and L. H. Huang, “Judd-Ofelt analysis, frequency upconversion, and infrared photoluminescence of Ho3+-doped and Ho3+/Yb3+-codoped lead bismuth gallate oxide glasses,” J. Appl. Phys. 106(10), 103105 (2009).
[Crossref]

2008 (1)

F. Lahoz, D. P. Shepherd, J. S. Wilkinson, and M. A. Hassan, “Efficient blue upconversion emission due to confined radiative energy transfer in Tm3+-Nd3+ co-doped Ta2O5 waveguides under infrared-laser excitation,” Opt. Commun. 281(14), 3691–3694 (2008).
[Crossref]

2006 (2)

J. D. Yu, Y. Arai, T. Masaki, T. Ishikawa, S. Yoda, S. Kohara, H. Taniguchi, M. Itoh, and Y. Kuroiwa, “Fabrication of BaTi2O5 glass-ceramics with unusual dielectric properties during crystallization,” Chem. Mater. 18(8), 2169–2173 (2006).
[Crossref]

L. Petit, T. Cardinal, J. J. Videau, E. Durand, L. Canioni, M. Martines, Y. Guyot, and G. Boulon, “Effect of niobium oxide introduction on erbium luminescence in borophosphate glasses,” Opt. Mater. 28(3), 172–180 (2006).
[Crossref]

2005 (1)

H. T. Sun, C. L. Yu, G. Zhou, M. S. Liao, Z. C. Duan, L. L. Hu, and J. J. Zhang, “Comparative investigation of up-conversion luminescence in Tm3+/Yb3+-codoped germanate-niobic and germanium-bismuth glasses: effect of phonon density on up-conversion emission,” Solid State Commun. 134(11), 721–724 (2005).
[Crossref]

2004 (1)

A. Rosenflanz, M. Frey, B. Endres, T. Anderson, E. Richards, and C. Schardt, “Bulk glasses and ultrahard nanoceramics based on alumina and rare-earth oxides,” Nature 430(7001), 761–764 (2004).
[Crossref] [PubMed]

Ahn, S.

D. Lu, C. Mao, S. K. Cho, S. Ahn, and W. Park, “Experimental demonstration of plasmon enhanced energy transfer rate in NaYF4:Yb3+,Er3+ upconversion nanoparticles,” Sci. Rep. 6(1), 18894 (2016).
[Crossref] [PubMed]

Ai, F.

M. H. Zhang, H. Q. Wen, H. M. Yu, F. Ai, H. Shao, X. H. Pan, M. B. Tang, J. D. Yu, L. J. Gai, and Y. Liu, “Study on upconversion luminescence and thermal properties of Ho3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glasses,” J. Alloys Compd. 672, 7–12 (2016).
[Crossref]

X. H. Pan, J. D. Yu, Y. Liu, S. Yoda, M. H. Zhang, F. Ai, F. Jin, H. M. Yu, and W. Q. Jin, “Infrared to visible upconversion luminescence in Er3+/Yb3+ doped titanate glass prepared by containerless processing,” J. Lumin. 132(4), 1025–1029 (2012).
[Crossref]

Amjad, R. J.

R. J. Amjad, M. R. Sahar, S. K. Ghoshal, M. R. Dousti, S. Riaz, and B. A. Tahir, “Enhanced infrared to visible upconversion emission in Er3+ doped phosphate glass: Role of silver nanoparticles,” J. Lumin. 132(10), 2714–2718 (2012).
[Crossref]

Anderson, T.

A. Rosenflanz, M. Frey, B. Endres, T. Anderson, E. Richards, and C. Schardt, “Bulk glasses and ultrahard nanoceramics based on alumina and rare-earth oxides,” Nature 430(7001), 761–764 (2004).
[Crossref] [PubMed]

Aquino, F. T.

F. T. Aquino, J. L. Ferrari, L. J. Q. Maia, S. J. L. Ribeiro, A. Ferrier, P. Goldner, and R. R. Goncalves, “Near infrared emission and multicolor tunability of enhanced upconversion emission from Er3+-Yb3+ co-doped Nb2O5 nanocrystals embedded in silica-based nanocomposite and planar waveguides for photonics,” J. Lumin. 170, 431–443 (2016).
[Crossref]

Arai, Y.

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

J. D. Yu, Y. Arai, T. Masaki, T. Ishikawa, S. Yoda, S. Kohara, H. Taniguchi, M. Itoh, and Y. Kuroiwa, “Fabrication of BaTi2O5 glass-ceramics with unusual dielectric properties during crystallization,” Chem. Mater. 18(8), 2169–2173 (2006).
[Crossref]

Bahadur, A.

R. S. Yadav, R. K. Verma, A. Bahadur, and S. B. Rai, “Infrared to infrared upconversion emission in Pr3+/Yb3+ co-doped La203 crossMark and La(OH)3 nano-phosphors: A comparative study,” Spectrochim. Acta A 142, 324–330 (2015).
[Crossref]

Bai, G. X.

K. F. Li, Q. A. Zhang, G. X. Bai, S. J. Fan, J. J. Zhang, and L. L. Hu, “Energy transfer and 1.8 mu m emission in Tm3+/Yb3+ codoped lanthanum tungsten tellurite glasses,” J. Alloys Compd. 504(2), 573–578 (2010).
[Crossref]

Boulon, G.

L. Petit, T. Cardinal, J. J. Videau, E. Durand, L. Canioni, M. Martines, Y. Guyot, and G. Boulon, “Effect of niobium oxide introduction on erbium luminescence in borophosphate glasses,” Opt. Mater. 28(3), 172–180 (2006).
[Crossref]

Canioni, L.

L. Petit, T. Cardinal, J. J. Videau, E. Durand, L. Canioni, M. Martines, Y. Guyot, and G. Boulon, “Effect of niobium oxide introduction on erbium luminescence in borophosphate glasses,” Opt. Mater. 28(3), 172–180 (2006).
[Crossref]

Cao, W.

Cardinal, T.

L. Petit, T. Cardinal, J. J. Videau, E. Durand, L. Canioni, M. Martines, Y. Guyot, and G. Boulon, “Effect of niobium oxide introduction on erbium luminescence in borophosphate glasses,” Opt. Mater. 28(3), 172–180 (2006).
[Crossref]

Chai, X. N.

Chen, X.

X. Wen, G. Tang, Q. Yang, X. Chen, Q. Qian, Q. Zhang, and Z. Yang, “Highly Tm3+ doped germanate glass and its single mode fiber for 2.0 μm laser,” Sci. Rep. 6(1), 20344 (2016).
[Crossref] [PubMed]

Chen, Y. F.

F. C. Liu, Q. Han, T. G. Liu, Y. F. Chen, Y. Du, and Y. Z. Yao, “Synthesis and down-conversion luminescence properties of Er3+/Yb3+ co-doped AlF3-PbF2-CaF2 powders,” Opt. Mater. 46, 77–81 (2015).
[Crossref]

Cho, S. K.

D. Lu, C. Mao, S. K. Cho, S. Ahn, and W. Park, “Experimental demonstration of plasmon enhanced energy transfer rate in NaYF4:Yb3+,Er3+ upconversion nanoparticles,” Sci. Rep. 6(1), 18894 (2016).
[Crossref] [PubMed]

Chu, R. Q.

J. G. Hao, Z. J. Xu, R. Q. Chu, S. Chu, W. Li, P. Fu, J. Du, and C. C. Hu, “Bright upconversion emission and large strain in Er/Sb-codoped (Bi0.5Na0.5)0.945Ba0.065TiO3 ceramics,” Mater. Lett. 193, 138–141 (2017).
[Crossref]

Chu, S.

J. G. Hao, Z. J. Xu, R. Q. Chu, S. Chu, W. Li, P. Fu, J. Du, and C. C. Hu, “Bright upconversion emission and large strain in Er/Sb-codoped (Bi0.5Na0.5)0.945Ba0.065TiO3 ceramics,” Mater. Lett. 193, 138–141 (2017).
[Crossref]

Dousti, M. R.

R. J. Amjad, M. R. Sahar, S. K. Ghoshal, M. R. Dousti, S. Riaz, and B. A. Tahir, “Enhanced infrared to visible upconversion emission in Er3+ doped phosphate glass: Role of silver nanoparticles,” J. Lumin. 132(10), 2714–2718 (2012).
[Crossref]

Du, J.

J. G. Hao, Z. J. Xu, R. Q. Chu, S. Chu, W. Li, P. Fu, J. Du, and C. C. Hu, “Bright upconversion emission and large strain in Er/Sb-codoped (Bi0.5Na0.5)0.945Ba0.065TiO3 ceramics,” Mater. Lett. 193, 138–141 (2017).
[Crossref]

Du, Y.

F. C. Liu, Q. Han, T. G. Liu, Y. F. Chen, Y. Du, and Y. Z. Yao, “Synthesis and down-conversion luminescence properties of Er3+/Yb3+ co-doped AlF3-PbF2-CaF2 powders,” Opt. Mater. 46, 77–81 (2015).
[Crossref]

Duan, Z. C.

H. T. Sun, C. L. Yu, G. Zhou, M. S. Liao, Z. C. Duan, L. L. Hu, and J. J. Zhang, “Comparative investigation of up-conversion luminescence in Tm3+/Yb3+-codoped germanate-niobic and germanium-bismuth glasses: effect of phonon density on up-conversion emission,” Solid State Commun. 134(11), 721–724 (2005).
[Crossref]

Durand, E.

L. Petit, T. Cardinal, J. J. Videau, E. Durand, L. Canioni, M. Martines, Y. Guyot, and G. Boulon, “Effect of niobium oxide introduction on erbium luminescence in borophosphate glasses,” Opt. Mater. 28(3), 172–180 (2006).
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Endres, B.

A. Rosenflanz, M. Frey, B. Endres, T. Anderson, E. Richards, and C. Schardt, “Bulk glasses and ultrahard nanoceramics based on alumina and rare-earth oxides,” Nature 430(7001), 761–764 (2004).
[Crossref] [PubMed]

Fan, S. J.

K. F. Li, Q. A. Zhang, G. X. Bai, S. J. Fan, J. J. Zhang, and L. L. Hu, “Energy transfer and 1.8 mu m emission in Tm3+/Yb3+ codoped lanthanum tungsten tellurite glasses,” J. Alloys Compd. 504(2), 573–578 (2010).
[Crossref]

Ferrari, J. L.

F. T. Aquino, J. L. Ferrari, L. J. Q. Maia, S. J. L. Ribeiro, A. Ferrier, P. Goldner, and R. R. Goncalves, “Near infrared emission and multicolor tunability of enhanced upconversion emission from Er3+-Yb3+ co-doped Nb2O5 nanocrystals embedded in silica-based nanocomposite and planar waveguides for photonics,” J. Lumin. 170, 431–443 (2016).
[Crossref]

Ferrier, A.

F. T. Aquino, J. L. Ferrari, L. J. Q. Maia, S. J. L. Ribeiro, A. Ferrier, P. Goldner, and R. R. Goncalves, “Near infrared emission and multicolor tunability of enhanced upconversion emission from Er3+-Yb3+ co-doped Nb2O5 nanocrystals embedded in silica-based nanocomposite and planar waveguides for photonics,” J. Lumin. 170, 431–443 (2016).
[Crossref]

Frey, M.

A. Rosenflanz, M. Frey, B. Endres, T. Anderson, E. Richards, and C. Schardt, “Bulk glasses and ultrahard nanoceramics based on alumina and rare-earth oxides,” Nature 430(7001), 761–764 (2004).
[Crossref] [PubMed]

Fu, P.

J. G. Hao, Z. J. Xu, R. Q. Chu, S. Chu, W. Li, P. Fu, J. Du, and C. C. Hu, “Bright upconversion emission and large strain in Er/Sb-codoped (Bi0.5Na0.5)0.945Ba0.065TiO3 ceramics,” Mater. Lett. 193, 138–141 (2017).
[Crossref]

Fukunaga, T.

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

Gai, L. J.

M. H. Zhang, H. Q. Wen, H. M. Yu, F. Ai, H. Shao, X. H. Pan, M. B. Tang, J. D. Yu, L. J. Gai, and Y. Liu, “Study on upconversion luminescence and thermal properties of Ho3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glasses,” J. Alloys Compd. 672, 7–12 (2016).
[Crossref]

Ghoshal, S. K.

R. J. Amjad, M. R. Sahar, S. K. Ghoshal, M. R. Dousti, S. Riaz, and B. A. Tahir, “Enhanced infrared to visible upconversion emission in Er3+ doped phosphate glass: Role of silver nanoparticles,” J. Lumin. 132(10), 2714–2718 (2012).
[Crossref]

Goldner, P.

F. T. Aquino, J. L. Ferrari, L. J. Q. Maia, S. J. L. Ribeiro, A. Ferrier, P. Goldner, and R. R. Goncalves, “Near infrared emission and multicolor tunability of enhanced upconversion emission from Er3+-Yb3+ co-doped Nb2O5 nanocrystals embedded in silica-based nanocomposite and planar waveguides for photonics,” J. Lumin. 170, 431–443 (2016).
[Crossref]

Goncalves, R. R.

F. T. Aquino, J. L. Ferrari, L. J. Q. Maia, S. J. L. Ribeiro, A. Ferrier, P. Goldner, and R. R. Goncalves, “Near infrared emission and multicolor tunability of enhanced upconversion emission from Er3+-Yb3+ co-doped Nb2O5 nanocrystals embedded in silica-based nanocomposite and planar waveguides for photonics,” J. Lumin. 170, 431–443 (2016).
[Crossref]

Grabis, J.

K. Smits, A. Sarakovskis, L. Grigorjeva, D. Millers, and J. Grabis, “The role of Nb in intensity increase of Er ion upconversion luminescence in zirconia,” J. Appl. Phys. 115(21), 213520 (2014).
[Crossref]

Grigorjeva, L.

K. Smits, A. Sarakovskis, L. Grigorjeva, D. Millers, and J. Grabis, “The role of Nb in intensity increase of Er ion upconversion luminescence in zirconia,” J. Appl. Phys. 115(21), 213520 (2014).
[Crossref]

Guo, Y. Y.

Y. Y. Guo, D. Y. Wang, X. Zhao, and F. Wang, “Fabrication, microstructure and upconversion luminescence of Yb3+/Ln3+ (Ln=Ho, Er, Tm) co-doped Y2Ti2O7 ceramics,” Mater. Res. Bull. 73, 84–89 (2016).
[Crossref]

Guyot, Y.

L. Petit, T. Cardinal, J. J. Videau, E. Durand, L. Canioni, M. Martines, Y. Guyot, and G. Boulon, “Effect of niobium oxide introduction on erbium luminescence in borophosphate glasses,” Opt. Mater. 28(3), 172–180 (2006).
[Crossref]

Han, B.

C. Mi, J. Wu, Y. Yang, B. Han, and J. Wei, “Efficient upconversion luminescence from Ba5Gd8Zn4O21:Yb3+, Er3+ based on a demonstrated cross-relaxation process,” Sci. Rep. 6(1), 22545 (2016).
[Crossref] [PubMed]

Han, Q.

F. C. Liu, Q. Han, T. G. Liu, Y. F. Chen, Y. Du, and Y. Z. Yao, “Synthesis and down-conversion luminescence properties of Er3+/Yb3+ co-doped AlF3-PbF2-CaF2 powders,” Opt. Mater. 46, 77–81 (2015).
[Crossref]

Hao, J. G.

J. G. Hao, Z. J. Xu, R. Q. Chu, S. Chu, W. Li, P. Fu, J. Du, and C. C. Hu, “Bright upconversion emission and large strain in Er/Sb-codoped (Bi0.5Na0.5)0.945Ba0.065TiO3 ceramics,” Mater. Lett. 193, 138–141 (2017).
[Crossref]

Hassan, M. A.

F. Lahoz, D. P. Shepherd, J. S. Wilkinson, and M. A. Hassan, “Efficient blue upconversion emission due to confined radiative energy transfer in Tm3+-Nd3+ co-doped Ta2O5 waveguides under infrared-laser excitation,” Opt. Commun. 281(14), 3691–3694 (2008).
[Crossref]

Hu, C. C.

J. G. Hao, Z. J. Xu, R. Q. Chu, S. Chu, W. Li, P. Fu, J. Du, and C. C. Hu, “Bright upconversion emission and large strain in Er/Sb-codoped (Bi0.5Na0.5)0.945Ba0.065TiO3 ceramics,” Mater. Lett. 193, 138–141 (2017).
[Crossref]

Hu, L. L.

K. F. Li, Q. A. Zhang, G. X. Bai, S. J. Fan, J. J. Zhang, and L. L. Hu, “Energy transfer and 1.8 mu m emission in Tm3+/Yb3+ codoped lanthanum tungsten tellurite glasses,” J. Alloys Compd. 504(2), 573–578 (2010).
[Crossref]

H. T. Sun, C. L. Yu, G. Zhou, M. S. Liao, Z. C. Duan, L. L. Hu, and J. J. Zhang, “Comparative investigation of up-conversion luminescence in Tm3+/Yb3+-codoped germanate-niobic and germanium-bismuth glasses: effect of phonon density on up-conversion emission,” Solid State Commun. 134(11), 721–724 (2005).
[Crossref]

Huang, L. H.

B. Zhou, E. Y. B. Pun, H. Lin, D. L. Yang, and L. H. Huang, “Judd-Ofelt analysis, frequency upconversion, and infrared photoluminescence of Ho3+-doped and Ho3+/Yb3+-codoped lead bismuth gallate oxide glasses,” J. Appl. Phys. 106(10), 103105 (2009).
[Crossref]

Huang, Y. S.

Y. S. Huang, S. J. Sun, F. F. Yuan, L. Z. Zhang, and Z. B. Lin, “Spectroscopic properties and continuous-wave laser operation of Er3+:Yb3+:LaMgB5O10 crystal,” J. Alloys Compd. 695, 215–220 (2017).
[Crossref]

Inoue, H.

A. Masuno and H. Inoue, “High refractive index of 0.30La2O3-0.70Nb2O5 glass prepared by containerless processing,” Appl. Phys. Express 3(10), 102601 (2010).
[Crossref]

Ishikawa, T.

J. D. Yu, Y. Arai, T. Masaki, T. Ishikawa, S. Yoda, S. Kohara, H. Taniguchi, M. Itoh, and Y. Kuroiwa, “Fabrication of BaTi2O5 glass-ceramics with unusual dielectric properties during crystallization,” Chem. Mater. 18(8), 2169–2173 (2006).
[Crossref]

Itoh, K.

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

Itoh, M.

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

J. D. Yu, Y. Arai, T. Masaki, T. Ishikawa, S. Yoda, S. Kohara, H. Taniguchi, M. Itoh, and Y. Kuroiwa, “Fabrication of BaTi2O5 glass-ceramics with unusual dielectric properties during crystallization,” Chem. Mater. 18(8), 2169–2173 (2006).
[Crossref]

Jin, F.

X. H. Pan, J. D. Yu, Y. Liu, S. Yoda, M. H. Zhang, F. Ai, F. Jin, H. M. Yu, and W. Q. Jin, “Infrared to visible upconversion luminescence in Er3+/Yb3+ doped titanate glass prepared by containerless processing,” J. Lumin. 132(4), 1025–1029 (2012).
[Crossref]

Jin, G. R.

H. Y. Zhu, M. Lin, G. R. Jin, T. J. Lu, and F. Xu, “A modified energy transfer model for determination of upconversion emission of beta-NaYF4:Yb,Er: Role of self-quenching effect,” J. Lumin. 185, 292–297 (2017).
[Crossref]

Jin, W. Q.

X. H. Pan, J. D. Yu, Y. Liu, S. Yoda, M. H. Zhang, F. Ai, F. Jin, H. M. Yu, and W. Q. Jin, “Infrared to visible upconversion luminescence in Er3+/Yb3+ doped titanate glass prepared by containerless processing,” J. Lumin. 132(4), 1025–1029 (2012).
[Crossref]

Kohara, S.

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

J. D. Yu, Y. Arai, T. Masaki, T. Ishikawa, S. Yoda, S. Kohara, H. Taniguchi, M. Itoh, and Y. Kuroiwa, “Fabrication of BaTi2O5 glass-ceramics with unusual dielectric properties during crystallization,” Chem. Mater. 18(8), 2169–2173 (2006).
[Crossref]

Koshihara, S.

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

Kroon, R. E.

D. D. Ramteke, R. E. Kroon, and H. C. Swart, “Infrared emission spectroscopy and upconversion of ZnO-Li2O-Na2O-P2O5 glasses doped with Nd3+ ions,” J. Non-Cryst. Solids 457, 157–163 (2017).
[Crossref]

Kumar, V.

D. D. Ramteke, V. Kumar, and H. C. Swart, “Spectroscopic studies of Sm3+/Dy3+ co-doped lithium boro-silicate glasses,” J. Non-Cryst. Solids 438, 49–58 (2016).
[Crossref]

Kuroiwa, Y.

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

J. D. Yu, Y. Arai, T. Masaki, T. Ishikawa, S. Yoda, S. Kohara, H. Taniguchi, M. Itoh, and Y. Kuroiwa, “Fabrication of BaTi2O5 glass-ceramics with unusual dielectric properties during crystallization,” Chem. Mater. 18(8), 2169–2173 (2006).
[Crossref]

Lahoz, F.

F. Lahoz, D. P. Shepherd, J. S. Wilkinson, and M. A. Hassan, “Efficient blue upconversion emission due to confined radiative energy transfer in Tm3+-Nd3+ co-doped Ta2O5 waveguides under infrared-laser excitation,” Opt. Commun. 281(14), 3691–3694 (2008).
[Crossref]

Li, B.

J. Y. Li, J. Q. Li, B. Li, J. D. Yu, and L. H. Qi, “An upconversion niobium pentoxide bulk glass codoped with Er3+/Yb3+ fabricated by aerodynamic levitation method,” J. Am. Ceram. Soc. 98(6), 1865–1869 (2015).
[Crossref]

Li, J.

Li, J. Q.

J. Y. Li, J. Q. Li, B. Li, J. D. Yu, and L. H. Qi, “An upconversion niobium pentoxide bulk glass codoped with Er3+/Yb3+ fabricated by aerodynamic levitation method,” J. Am. Ceram. Soc. 98(6), 1865–1869 (2015).
[Crossref]

X. G. Ma, Z. J. Peng, and J. Q. Li, “Effect of Ta2O5 substituting on thermal and optical properties of high refractive index La2O3-Nb2O5 glass system prepared by aerodynamic levitation method,” J. Am. Ceram. Soc. 98(3), 770–773 (2015).
[Crossref]

Li, J. Y.

J. Y. Li, J. Q. Li, B. Li, J. D. Yu, and L. H. Qi, “An upconversion niobium pentoxide bulk glass codoped with Er3+/Yb3+ fabricated by aerodynamic levitation method,” J. Am. Ceram. Soc. 98(6), 1865–1869 (2015).
[Crossref]

Li, K. F.

K. F. Li, Q. A. Zhang, G. X. Bai, S. J. Fan, J. J. Zhang, and L. L. Hu, “Energy transfer and 1.8 mu m emission in Tm3+/Yb3+ codoped lanthanum tungsten tellurite glasses,” J. Alloys Compd. 504(2), 573–578 (2010).
[Crossref]

Li, L.

Li, W.

J. G. Hao, Z. J. Xu, R. Q. Chu, S. Chu, W. Li, P. Fu, J. Du, and C. C. Hu, “Bright upconversion emission and large strain in Er/Sb-codoped (Bi0.5Na0.5)0.945Ba0.065TiO3 ceramics,” Mater. Lett. 193, 138–141 (2017).
[Crossref]

Li, Y. X.

Liang, Z.

Liao, M. S.

H. T. Sun, C. L. Yu, G. Zhou, M. S. Liao, Z. C. Duan, L. L. Hu, and J. J. Zhang, “Comparative investigation of up-conversion luminescence in Tm3+/Yb3+-codoped germanate-niobic and germanium-bismuth glasses: effect of phonon density on up-conversion emission,” Solid State Commun. 134(11), 721–724 (2005).
[Crossref]

Lin, H.

B. Zhou, E. Y. B. Pun, H. Lin, D. L. Yang, and L. H. Huang, “Judd-Ofelt analysis, frequency upconversion, and infrared photoluminescence of Ho3+-doped and Ho3+/Yb3+-codoped lead bismuth gallate oxide glasses,” J. Appl. Phys. 106(10), 103105 (2009).
[Crossref]

Lin, M.

H. Y. Zhu, M. Lin, G. R. Jin, T. J. Lu, and F. Xu, “A modified energy transfer model for determination of upconversion emission of beta-NaYF4:Yb,Er: Role of self-quenching effect,” J. Lumin. 185, 292–297 (2017).
[Crossref]

Lin, Z. B.

Y. S. Huang, S. J. Sun, F. F. Yuan, L. Z. Zhang, and Z. B. Lin, “Spectroscopic properties and continuous-wave laser operation of Er3+:Yb3+:LaMgB5O10 crystal,” J. Alloys Compd. 695, 215–220 (2017).
[Crossref]

Liu, F. C.

F. C. Liu, Q. Han, T. G. Liu, Y. F. Chen, Y. Du, and Y. Z. Yao, “Synthesis and down-conversion luminescence properties of Er3+/Yb3+ co-doped AlF3-PbF2-CaF2 powders,” Opt. Mater. 46, 77–81 (2015).
[Crossref]

Liu, T. G.

F. C. Liu, Q. Han, T. G. Liu, Y. F. Chen, Y. Du, and Y. Z. Yao, “Synthesis and down-conversion luminescence properties of Er3+/Yb3+ co-doped AlF3-PbF2-CaF2 powders,” Opt. Mater. 46, 77–81 (2015).
[Crossref]

Liu, Y.

M. H. Zhang, H. Q. Wen, H. M. Yu, F. Ai, H. Shao, X. H. Pan, M. B. Tang, J. D. Yu, L. J. Gai, and Y. Liu, “Study on upconversion luminescence and thermal properties of Ho3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glasses,” J. Alloys Compd. 672, 7–12 (2016).
[Crossref]

X. H. Pan, J. D. Yu, Y. Liu, S. Yoda, M. H. Zhang, F. Ai, F. Jin, H. M. Yu, and W. Q. Jin, “Infrared to visible upconversion luminescence in Er3+/Yb3+ doped titanate glass prepared by containerless processing,” J. Lumin. 132(4), 1025–1029 (2012).
[Crossref]

Lu, D.

D. Lu, C. Mao, S. K. Cho, S. Ahn, and W. Park, “Experimental demonstration of plasmon enhanced energy transfer rate in NaYF4:Yb3+,Er3+ upconversion nanoparticles,” Sci. Rep. 6(1), 18894 (2016).
[Crossref] [PubMed]

Lu, T. J.

H. Y. Zhu, M. Lin, G. R. Jin, T. J. Lu, and F. Xu, “A modified energy transfer model for determination of upconversion emission of beta-NaYF4:Yb,Er: Role of self-quenching effect,” J. Lumin. 185, 292–297 (2017).
[Crossref]

Ma, X. G.

X. G. Ma, Z. J. Peng, and J. Q. Li, “Effect of Ta2O5 substituting on thermal and optical properties of high refractive index La2O3-Nb2O5 glass system prepared by aerodynamic levitation method,” J. Am. Ceram. Soc. 98(3), 770–773 (2015).
[Crossref]

Maia, L. J. Q.

F. T. Aquino, J. L. Ferrari, L. J. Q. Maia, S. J. L. Ribeiro, A. Ferrier, P. Goldner, and R. R. Goncalves, “Near infrared emission and multicolor tunability of enhanced upconversion emission from Er3+-Yb3+ co-doped Nb2O5 nanocrystals embedded in silica-based nanocomposite and planar waveguides for photonics,” J. Lumin. 170, 431–443 (2016).
[Crossref]

Mao, C.

D. Lu, C. Mao, S. K. Cho, S. Ahn, and W. Park, “Experimental demonstration of plasmon enhanced energy transfer rate in NaYF4:Yb3+,Er3+ upconversion nanoparticles,” Sci. Rep. 6(1), 18894 (2016).
[Crossref] [PubMed]

Martines, M.

L. Petit, T. Cardinal, J. J. Videau, E. Durand, L. Canioni, M. Martines, Y. Guyot, and G. Boulon, “Effect of niobium oxide introduction on erbium luminescence in borophosphate glasses,” Opt. Mater. 28(3), 172–180 (2006).
[Crossref]

Masaki, T.

J. D. Yu, Y. Arai, T. Masaki, T. Ishikawa, S. Yoda, S. Kohara, H. Taniguchi, M. Itoh, and Y. Kuroiwa, “Fabrication of BaTi2O5 glass-ceramics with unusual dielectric properties during crystallization,” Chem. Mater. 18(8), 2169–2173 (2006).
[Crossref]

Masuno, A.

A. Masuno and H. Inoue, “High refractive index of 0.30La2O3-0.70Nb2O5 glass prepared by containerless processing,” Appl. Phys. Express 3(10), 102601 (2010).
[Crossref]

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

Mi, C.

C. Mi, J. Wu, Y. Yang, B. Han, and J. Wei, “Efficient upconversion luminescence from Ba5Gd8Zn4O21:Yb3+, Er3+ based on a demonstrated cross-relaxation process,” Sci. Rep. 6(1), 22545 (2016).
[Crossref] [PubMed]

Millers, D.

K. Smits, A. Sarakovskis, L. Grigorjeva, D. Millers, and J. Grabis, “The role of Nb in intensity increase of Er ion upconversion luminescence in zirconia,” J. Appl. Phys. 115(21), 213520 (2014).
[Crossref]

Miyoshi, S.

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

Nozawa, S.

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

Pan, X. H.

M. H. Zhang, H. Q. Wen, H. M. Yu, F. Ai, H. Shao, X. H. Pan, M. B. Tang, J. D. Yu, L. J. Gai, and Y. Liu, “Study on upconversion luminescence and thermal properties of Ho3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glasses,” J. Alloys Compd. 672, 7–12 (2016).
[Crossref]

X. H. Pan, J. D. Yu, Y. Liu, S. Yoda, M. H. Zhang, F. Ai, F. Jin, H. M. Yu, and W. Q. Jin, “Infrared to visible upconversion luminescence in Er3+/Yb3+ doped titanate glass prepared by containerless processing,” J. Lumin. 132(4), 1025–1029 (2012).
[Crossref]

Park, W.

D. Lu, C. Mao, S. K. Cho, S. Ahn, and W. Park, “Experimental demonstration of plasmon enhanced energy transfer rate in NaYF4:Yb3+,Er3+ upconversion nanoparticles,” Sci. Rep. 6(1), 18894 (2016).
[Crossref] [PubMed]

Peng, Z. J.

X. G. Ma, Z. J. Peng, and J. Q. Li, “Effect of Ta2O5 substituting on thermal and optical properties of high refractive index La2O3-Nb2O5 glass system prepared by aerodynamic levitation method,” J. Am. Ceram. Soc. 98(3), 770–773 (2015).
[Crossref]

Petit, L.

L. Petit, T. Cardinal, J. J. Videau, E. Durand, L. Canioni, M. Martines, Y. Guyot, and G. Boulon, “Effect of niobium oxide introduction on erbium luminescence in borophosphate glasses,” Opt. Mater. 28(3), 172–180 (2006).
[Crossref]

Pun, E. Y. B.

B. Zhou, E. Y. B. Pun, H. Lin, D. L. Yang, and L. H. Huang, “Judd-Ofelt analysis, frequency upconversion, and infrared photoluminescence of Ho3+-doped and Ho3+/Yb3+-codoped lead bismuth gallate oxide glasses,” J. Appl. Phys. 106(10), 103105 (2009).
[Crossref]

Qi, L. H.

J. Y. Li, J. Q. Li, B. Li, J. D. Yu, and L. H. Qi, “An upconversion niobium pentoxide bulk glass codoped with Er3+/Yb3+ fabricated by aerodynamic levitation method,” J. Am. Ceram. Soc. 98(6), 1865–1869 (2015).
[Crossref]

Qian, Q.

X. Wen, G. Tang, Q. Yang, X. Chen, Q. Qian, Q. Zhang, and Z. Yang, “Highly Tm3+ doped germanate glass and its single mode fiber for 2.0 μm laser,” Sci. Rep. 6(1), 20344 (2016).
[Crossref] [PubMed]

Qin, F.

Rai, S. B.

R. S. Yadav, R. K. Verma, A. Bahadur, and S. B. Rai, “Infrared to infrared upconversion emission in Pr3+/Yb3+ co-doped La203 crossMark and La(OH)3 nano-phosphors: A comparative study,” Spectrochim. Acta A 142, 324–330 (2015).
[Crossref]

Ramteke, D. D.

D. D. Ramteke, R. E. Kroon, and H. C. Swart, “Infrared emission spectroscopy and upconversion of ZnO-Li2O-Na2O-P2O5 glasses doped with Nd3+ ions,” J. Non-Cryst. Solids 457, 157–163 (2017).
[Crossref]

D. D. Ramteke, V. Kumar, and H. C. Swart, “Spectroscopic studies of Sm3+/Dy3+ co-doped lithium boro-silicate glasses,” J. Non-Cryst. Solids 438, 49–58 (2016).
[Crossref]

Riaz, S.

R. J. Amjad, M. R. Sahar, S. K. Ghoshal, M. R. Dousti, S. Riaz, and B. A. Tahir, “Enhanced infrared to visible upconversion emission in Er3+ doped phosphate glass: Role of silver nanoparticles,” J. Lumin. 132(10), 2714–2718 (2012).
[Crossref]

Ribeiro, S. J. L.

F. T. Aquino, J. L. Ferrari, L. J. Q. Maia, S. J. L. Ribeiro, A. Ferrier, P. Goldner, and R. R. Goncalves, “Near infrared emission and multicolor tunability of enhanced upconversion emission from Er3+-Yb3+ co-doped Nb2O5 nanocrystals embedded in silica-based nanocomposite and planar waveguides for photonics,” J. Lumin. 170, 431–443 (2016).
[Crossref]

Richards, E.

A. Rosenflanz, M. Frey, B. Endres, T. Anderson, E. Richards, and C. Schardt, “Bulk glasses and ultrahard nanoceramics based on alumina and rare-earth oxides,” Nature 430(7001), 761–764 (2004).
[Crossref] [PubMed]

Rosenflanz, A.

A. Rosenflanz, M. Frey, B. Endres, T. Anderson, E. Richards, and C. Schardt, “Bulk glasses and ultrahard nanoceramics based on alumina and rare-earth oxides,” Nature 430(7001), 761–764 (2004).
[Crossref] [PubMed]

Sahar, M. R.

R. J. Amjad, M. R. Sahar, S. K. Ghoshal, M. R. Dousti, S. Riaz, and B. A. Tahir, “Enhanced infrared to visible upconversion emission in Er3+ doped phosphate glass: Role of silver nanoparticles,” J. Lumin. 132(10), 2714–2718 (2012).
[Crossref]

Sarakovskis, A.

K. Smits, A. Sarakovskis, L. Grigorjeva, D. Millers, and J. Grabis, “The role of Nb in intensity increase of Er ion upconversion luminescence in zirconia,” J. Appl. Phys. 115(21), 213520 (2014).
[Crossref]

Schardt, C.

A. Rosenflanz, M. Frey, B. Endres, T. Anderson, E. Richards, and C. Schardt, “Bulk glasses and ultrahard nanoceramics based on alumina and rare-earth oxides,” Nature 430(7001), 761–764 (2004).
[Crossref] [PubMed]

Shao, H.

M. H. Zhang, H. Q. Wen, H. M. Yu, F. Ai, H. Shao, X. H. Pan, M. B. Tang, J. D. Yu, L. J. Gai, and Y. Liu, “Study on upconversion luminescence and thermal properties of Ho3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glasses,” J. Alloys Compd. 672, 7–12 (2016).
[Crossref]

Shepherd, D. P.

F. Lahoz, D. P. Shepherd, J. S. Wilkinson, and M. A. Hassan, “Efficient blue upconversion emission due to confined radiative energy transfer in Tm3+-Nd3+ co-doped Ta2O5 waveguides under infrared-laser excitation,” Opt. Commun. 281(14), 3691–3694 (2008).
[Crossref]

Smits, K.

K. Smits, A. Sarakovskis, L. Grigorjeva, D. Millers, and J. Grabis, “The role of Nb in intensity increase of Er ion upconversion luminescence in zirconia,” J. Appl. Phys. 115(21), 213520 (2014).
[Crossref]

Sun, H. T.

H. T. Sun, C. L. Yu, G. Zhou, M. S. Liao, Z. C. Duan, L. L. Hu, and J. J. Zhang, “Comparative investigation of up-conversion luminescence in Tm3+/Yb3+-codoped germanate-niobic and germanium-bismuth glasses: effect of phonon density on up-conversion emission,” Solid State Commun. 134(11), 721–724 (2005).
[Crossref]

Sun, S. J.

Y. S. Huang, S. J. Sun, F. F. Yuan, L. Z. Zhang, and Z. B. Lin, “Spectroscopic properties and continuous-wave laser operation of Er3+:Yb3+:LaMgB5O10 crystal,” J. Alloys Compd. 695, 215–220 (2017).
[Crossref]

Swart, H. C.

D. D. Ramteke, R. E. Kroon, and H. C. Swart, “Infrared emission spectroscopy and upconversion of ZnO-Li2O-Na2O-P2O5 glasses doped with Nd3+ ions,” J. Non-Cryst. Solids 457, 157–163 (2017).
[Crossref]

D. D. Ramteke, V. Kumar, and H. C. Swart, “Spectroscopic studies of Sm3+/Dy3+ co-doped lithium boro-silicate glasses,” J. Non-Cryst. Solids 438, 49–58 (2016).
[Crossref]

Tahir, B. A.

R. J. Amjad, M. R. Sahar, S. K. Ghoshal, M. R. Dousti, S. Riaz, and B. A. Tahir, “Enhanced infrared to visible upconversion emission in Er3+ doped phosphate glass: Role of silver nanoparticles,” J. Lumin. 132(10), 2714–2718 (2012).
[Crossref]

Takata, M.

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

Tang, G.

X. Wen, G. Tang, Q. Yang, X. Chen, Q. Qian, Q. Zhang, and Z. Yang, “Highly Tm3+ doped germanate glass and its single mode fiber for 2.0 μm laser,” Sci. Rep. 6(1), 20344 (2016).
[Crossref] [PubMed]

Tang, M. B.

M. H. Zhang, H. Q. Wen, H. M. Yu, F. Ai, H. Shao, X. H. Pan, M. B. Tang, J. D. Yu, L. J. Gai, and Y. Liu, “Study on upconversion luminescence and thermal properties of Ho3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glasses,” J. Alloys Compd. 672, 7–12 (2016).
[Crossref]

Taniguchi, H.

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

J. D. Yu, Y. Arai, T. Masaki, T. Ishikawa, S. Yoda, S. Kohara, H. Taniguchi, M. Itoh, and Y. Kuroiwa, “Fabrication of BaTi2O5 glass-ceramics with unusual dielectric properties during crystallization,” Chem. Mater. 18(8), 2169–2173 (2006).
[Crossref]

Verma, R. K.

R. S. Yadav, R. K. Verma, A. Bahadur, and S. B. Rai, “Infrared to infrared upconversion emission in Pr3+/Yb3+ co-doped La203 crossMark and La(OH)3 nano-phosphors: A comparative study,” Spectrochim. Acta A 142, 324–330 (2015).
[Crossref]

Videau, J. J.

L. Petit, T. Cardinal, J. J. Videau, E. Durand, L. Canioni, M. Martines, Y. Guyot, and G. Boulon, “Effect of niobium oxide introduction on erbium luminescence in borophosphate glasses,” Opt. Mater. 28(3), 172–180 (2006).
[Crossref]

Wang, D. Y.

Y. Y. Guo, D. Y. Wang, X. Zhao, and F. Wang, “Fabrication, microstructure and upconversion luminescence of Yb3+/Ln3+ (Ln=Ho, Er, Tm) co-doped Y2Ti2O7 ceramics,” Mater. Res. Bull. 73, 84–89 (2016).
[Crossref]

Wang, F.

Y. Y. Guo, D. Y. Wang, X. Zhao, and F. Wang, “Fabrication, microstructure and upconversion luminescence of Yb3+/Ln3+ (Ln=Ho, Er, Tm) co-doped Y2Ti2O7 ceramics,” Mater. Res. Bull. 73, 84–89 (2016).
[Crossref]

Wang, X. S.

Wei, J.

C. Mi, J. Wu, Y. Yang, B. Han, and J. Wei, “Efficient upconversion luminescence from Ba5Gd8Zn4O21:Yb3+, Er3+ based on a demonstrated cross-relaxation process,” Sci. Rep. 6(1), 22545 (2016).
[Crossref] [PubMed]

Wen, H. Q.

M. H. Zhang, H. Q. Wen, H. M. Yu, F. Ai, H. Shao, X. H. Pan, M. B. Tang, J. D. Yu, L. J. Gai, and Y. Liu, “Study on upconversion luminescence and thermal properties of Ho3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glasses,” J. Alloys Compd. 672, 7–12 (2016).
[Crossref]

Wen, X.

X. Wen, G. Tang, Q. Yang, X. Chen, Q. Qian, Q. Zhang, and Z. Yang, “Highly Tm3+ doped germanate glass and its single mode fiber for 2.0 μm laser,” Sci. Rep. 6(1), 20344 (2016).
[Crossref] [PubMed]

Wilkinson, J. S.

F. Lahoz, D. P. Shepherd, J. S. Wilkinson, and M. A. Hassan, “Efficient blue upconversion emission due to confined radiative energy transfer in Tm3+-Nd3+ co-doped Ta2O5 waveguides under infrared-laser excitation,” Opt. Commun. 281(14), 3691–3694 (2008).
[Crossref]

Wu, J.

C. Mi, J. Wu, Y. Yang, B. Han, and J. Wei, “Efficient upconversion luminescence from Ba5Gd8Zn4O21:Yb3+, Er3+ based on a demonstrated cross-relaxation process,” Sci. Rep. 6(1), 22545 (2016).
[Crossref] [PubMed]

Xu, F.

H. Y. Zhu, M. Lin, G. R. Jin, T. J. Lu, and F. Xu, “A modified energy transfer model for determination of upconversion emission of beta-NaYF4:Yb,Er: Role of self-quenching effect,” J. Lumin. 185, 292–297 (2017).
[Crossref]

Xu, W.

Xu, Z. J.

J. G. Hao, Z. J. Xu, R. Q. Chu, S. Chu, W. Li, P. Fu, J. Du, and C. C. Hu, “Bright upconversion emission and large strain in Er/Sb-codoped (Bi0.5Na0.5)0.945Ba0.065TiO3 ceramics,” Mater. Lett. 193, 138–141 (2017).
[Crossref]

Yadav, R. S.

R. S. Yadav, R. K. Verma, A. Bahadur, and S. B. Rai, “Infrared to infrared upconversion emission in Pr3+/Yb3+ co-doped La203 crossMark and La(OH)3 nano-phosphors: A comparative study,” Spectrochim. Acta A 142, 324–330 (2015).
[Crossref]

Yang, D. L.

B. Zhou, E. Y. B. Pun, H. Lin, D. L. Yang, and L. H. Huang, “Judd-Ofelt analysis, frequency upconversion, and infrared photoluminescence of Ho3+-doped and Ho3+/Yb3+-codoped lead bismuth gallate oxide glasses,” J. Appl. Phys. 106(10), 103105 (2009).
[Crossref]

Yang, Q.

X. Wen, G. Tang, Q. Yang, X. Chen, Q. Qian, Q. Zhang, and Z. Yang, “Highly Tm3+ doped germanate glass and its single mode fiber for 2.0 μm laser,” Sci. Rep. 6(1), 20344 (2016).
[Crossref] [PubMed]

Yang, Y.

C. Mi, J. Wu, Y. Yang, B. Han, and J. Wei, “Efficient upconversion luminescence from Ba5Gd8Zn4O21:Yb3+, Er3+ based on a demonstrated cross-relaxation process,” Sci. Rep. 6(1), 22545 (2016).
[Crossref] [PubMed]

Yang, Z.

X. Wen, G. Tang, Q. Yang, X. Chen, Q. Qian, Q. Zhang, and Z. Yang, “Highly Tm3+ doped germanate glass and its single mode fiber for 2.0 μm laser,” Sci. Rep. 6(1), 20344 (2016).
[Crossref] [PubMed]

Yao, X.

Yao, Y. Z.

F. C. Liu, Q. Han, T. G. Liu, Y. F. Chen, Y. Du, and Y. Z. Yao, “Synthesis and down-conversion luminescence properties of Er3+/Yb3+ co-doped AlF3-PbF2-CaF2 powders,” Opt. Mater. 46, 77–81 (2015).
[Crossref]

Yoda, S.

X. H. Pan, J. D. Yu, Y. Liu, S. Yoda, M. H. Zhang, F. Ai, F. Jin, H. M. Yu, and W. Q. Jin, “Infrared to visible upconversion luminescence in Er3+/Yb3+ doped titanate glass prepared by containerless processing,” J. Lumin. 132(4), 1025–1029 (2012).
[Crossref]

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

J. D. Yu, Y. Arai, T. Masaki, T. Ishikawa, S. Yoda, S. Kohara, H. Taniguchi, M. Itoh, and Y. Kuroiwa, “Fabrication of BaTi2O5 glass-ceramics with unusual dielectric properties during crystallization,” Chem. Mater. 18(8), 2169–2173 (2006).
[Crossref]

Yu, C. L.

H. T. Sun, C. L. Yu, G. Zhou, M. S. Liao, Z. C. Duan, L. L. Hu, and J. J. Zhang, “Comparative investigation of up-conversion luminescence in Tm3+/Yb3+-codoped germanate-niobic and germanium-bismuth glasses: effect of phonon density on up-conversion emission,” Solid State Commun. 134(11), 721–724 (2005).
[Crossref]

Yu, H. M.

M. H. Zhang, H. Q. Wen, H. M. Yu, F. Ai, H. Shao, X. H. Pan, M. B. Tang, J. D. Yu, L. J. Gai, and Y. Liu, “Study on upconversion luminescence and thermal properties of Ho3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glasses,” J. Alloys Compd. 672, 7–12 (2016).
[Crossref]

X. H. Pan, J. D. Yu, Y. Liu, S. Yoda, M. H. Zhang, F. Ai, F. Jin, H. M. Yu, and W. Q. Jin, “Infrared to visible upconversion luminescence in Er3+/Yb3+ doped titanate glass prepared by containerless processing,” J. Lumin. 132(4), 1025–1029 (2012).
[Crossref]

Yu, J.

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

Yu, J. D.

M. H. Zhang, H. Q. Wen, H. M. Yu, F. Ai, H. Shao, X. H. Pan, M. B. Tang, J. D. Yu, L. J. Gai, and Y. Liu, “Study on upconversion luminescence and thermal properties of Ho3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glasses,” J. Alloys Compd. 672, 7–12 (2016).
[Crossref]

J. Y. Li, J. Q. Li, B. Li, J. D. Yu, and L. H. Qi, “An upconversion niobium pentoxide bulk glass codoped with Er3+/Yb3+ fabricated by aerodynamic levitation method,” J. Am. Ceram. Soc. 98(6), 1865–1869 (2015).
[Crossref]

X. H. Pan, J. D. Yu, Y. Liu, S. Yoda, M. H. Zhang, F. Ai, F. Jin, H. M. Yu, and W. Q. Jin, “Infrared to visible upconversion luminescence in Er3+/Yb3+ doped titanate glass prepared by containerless processing,” J. Lumin. 132(4), 1025–1029 (2012).
[Crossref]

J. D. Yu, Y. Arai, T. Masaki, T. Ishikawa, S. Yoda, S. Kohara, H. Taniguchi, M. Itoh, and Y. Kuroiwa, “Fabrication of BaTi2O5 glass-ceramics with unusual dielectric properties during crystallization,” Chem. Mater. 18(8), 2169–2173 (2006).
[Crossref]

Yuan, F. F.

Y. S. Huang, S. J. Sun, F. F. Yuan, L. Z. Zhang, and Z. B. Lin, “Spectroscopic properties and continuous-wave laser operation of Er3+:Yb3+:LaMgB5O10 crystal,” J. Alloys Compd. 695, 215–220 (2017).
[Crossref]

Zhang, J. J.

K. F. Li, Q. A. Zhang, G. X. Bai, S. J. Fan, J. J. Zhang, and L. L. Hu, “Energy transfer and 1.8 mu m emission in Tm3+/Yb3+ codoped lanthanum tungsten tellurite glasses,” J. Alloys Compd. 504(2), 573–578 (2010).
[Crossref]

H. T. Sun, C. L. Yu, G. Zhou, M. S. Liao, Z. C. Duan, L. L. Hu, and J. J. Zhang, “Comparative investigation of up-conversion luminescence in Tm3+/Yb3+-codoped germanate-niobic and germanium-bismuth glasses: effect of phonon density on up-conversion emission,” Solid State Commun. 134(11), 721–724 (2005).
[Crossref]

Zhang, L. Z.

Y. S. Huang, S. J. Sun, F. F. Yuan, L. Z. Zhang, and Z. B. Lin, “Spectroscopic properties and continuous-wave laser operation of Er3+:Yb3+:LaMgB5O10 crystal,” J. Alloys Compd. 695, 215–220 (2017).
[Crossref]

Zhang, M. H.

M. H. Zhang, H. Q. Wen, H. M. Yu, F. Ai, H. Shao, X. H. Pan, M. B. Tang, J. D. Yu, L. J. Gai, and Y. Liu, “Study on upconversion luminescence and thermal properties of Ho3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glasses,” J. Alloys Compd. 672, 7–12 (2016).
[Crossref]

X. H. Pan, J. D. Yu, Y. Liu, S. Yoda, M. H. Zhang, F. Ai, F. Jin, H. M. Yu, and W. Q. Jin, “Infrared to visible upconversion luminescence in Er3+/Yb3+ doped titanate glass prepared by containerless processing,” J. Lumin. 132(4), 1025–1029 (2012).
[Crossref]

Zhang, Q.

X. Wen, G. Tang, Q. Yang, X. Chen, Q. Qian, Q. Zhang, and Z. Yang, “Highly Tm3+ doped germanate glass and its single mode fiber for 2.0 μm laser,” Sci. Rep. 6(1), 20344 (2016).
[Crossref] [PubMed]

Zhang, Q. A.

K. F. Li, Q. A. Zhang, G. X. Bai, S. J. Fan, J. J. Zhang, and L. L. Hu, “Energy transfer and 1.8 mu m emission in Tm3+/Yb3+ codoped lanthanum tungsten tellurite glasses,” J. Alloys Compd. 504(2), 573–578 (2010).
[Crossref]

Zhang, Z.

Zhao, X.

Y. Y. Guo, D. Y. Wang, X. Zhao, and F. Wang, “Fabrication, microstructure and upconversion luminescence of Yb3+/Ln3+ (Ln=Ho, Er, Tm) co-doped Y2Ti2O7 ceramics,” Mater. Res. Bull. 73, 84–89 (2016).
[Crossref]

Zheng, L.

Zhou, B.

B. Zhou, E. Y. B. Pun, H. Lin, D. L. Yang, and L. H. Huang, “Judd-Ofelt analysis, frequency upconversion, and infrared photoluminescence of Ho3+-doped and Ho3+/Yb3+-codoped lead bismuth gallate oxide glasses,” J. Appl. Phys. 106(10), 103105 (2009).
[Crossref]

Zhou, G.

H. T. Sun, C. L. Yu, G. Zhou, M. S. Liao, Z. C. Duan, L. L. Hu, and J. J. Zhang, “Comparative investigation of up-conversion luminescence in Tm3+/Yb3+-codoped germanate-niobic and germanium-bismuth glasses: effect of phonon density on up-conversion emission,” Solid State Commun. 134(11), 721–724 (2005).
[Crossref]

Zhou, Y.

Zhu, H. Y.

H. Y. Zhu, M. Lin, G. R. Jin, T. J. Lu, and F. Xu, “A modified energy transfer model for determination of upconversion emission of beta-NaYF4:Yb,Er: Role of self-quenching effect,” J. Lumin. 185, 292–297 (2017).
[Crossref]

Appl. Phys. Express (1)

A. Masuno and H. Inoue, “High refractive index of 0.30La2O3-0.70Nb2O5 glass prepared by containerless processing,” Appl. Phys. Express 3(10), 102601 (2010).
[Crossref]

Chem. Mater. (2)

J. D. Yu, Y. Arai, T. Masaki, T. Ishikawa, S. Yoda, S. Kohara, H. Taniguchi, M. Itoh, and Y. Kuroiwa, “Fabrication of BaTi2O5 glass-ceramics with unusual dielectric properties during crystallization,” Chem. Mater. 18(8), 2169–2173 (2006).
[Crossref]

J. Yu, S. Kohara, K. Itoh, S. Nozawa, S. Miyoshi, Y. Arai, A. Masuno, H. Taniguchi, M. Itoh, M. Takata, T. Fukunaga, S. Koshihara, Y. Kuroiwa, and S. Yoda, “Comprehensive structural study of glassy and metastable crystalline BaTi2O5,” Chem. Mater. 21(2), 259–263 (2009).
[Crossref]

J. Alloys Compd. (3)

M. H. Zhang, H. Q. Wen, H. M. Yu, F. Ai, H. Shao, X. H. Pan, M. B. Tang, J. D. Yu, L. J. Gai, and Y. Liu, “Study on upconversion luminescence and thermal properties of Ho3+/Yb3+ co-doped La2O3-TiO2-ZrO2 glasses,” J. Alloys Compd. 672, 7–12 (2016).
[Crossref]

K. F. Li, Q. A. Zhang, G. X. Bai, S. J. Fan, J. J. Zhang, and L. L. Hu, “Energy transfer and 1.8 mu m emission in Tm3+/Yb3+ codoped lanthanum tungsten tellurite glasses,” J. Alloys Compd. 504(2), 573–578 (2010).
[Crossref]

Y. S. Huang, S. J. Sun, F. F. Yuan, L. Z. Zhang, and Z. B. Lin, “Spectroscopic properties and continuous-wave laser operation of Er3+:Yb3+:LaMgB5O10 crystal,” J. Alloys Compd. 695, 215–220 (2017).
[Crossref]

J. Am. Ceram. Soc. (2)

X. G. Ma, Z. J. Peng, and J. Q. Li, “Effect of Ta2O5 substituting on thermal and optical properties of high refractive index La2O3-Nb2O5 glass system prepared by aerodynamic levitation method,” J. Am. Ceram. Soc. 98(3), 770–773 (2015).
[Crossref]

J. Y. Li, J. Q. Li, B. Li, J. D. Yu, and L. H. Qi, “An upconversion niobium pentoxide bulk glass codoped with Er3+/Yb3+ fabricated by aerodynamic levitation method,” J. Am. Ceram. Soc. 98(6), 1865–1869 (2015).
[Crossref]

J. Appl. Phys. (2)

B. Zhou, E. Y. B. Pun, H. Lin, D. L. Yang, and L. H. Huang, “Judd-Ofelt analysis, frequency upconversion, and infrared photoluminescence of Ho3+-doped and Ho3+/Yb3+-codoped lead bismuth gallate oxide glasses,” J. Appl. Phys. 106(10), 103105 (2009).
[Crossref]

K. Smits, A. Sarakovskis, L. Grigorjeva, D. Millers, and J. Grabis, “The role of Nb in intensity increase of Er ion upconversion luminescence in zirconia,” J. Appl. Phys. 115(21), 213520 (2014).
[Crossref]

J. Lumin. (4)

H. Y. Zhu, M. Lin, G. R. Jin, T. J. Lu, and F. Xu, “A modified energy transfer model for determination of upconversion emission of beta-NaYF4:Yb,Er: Role of self-quenching effect,” J. Lumin. 185, 292–297 (2017).
[Crossref]

R. J. Amjad, M. R. Sahar, S. K. Ghoshal, M. R. Dousti, S. Riaz, and B. A. Tahir, “Enhanced infrared to visible upconversion emission in Er3+ doped phosphate glass: Role of silver nanoparticles,” J. Lumin. 132(10), 2714–2718 (2012).
[Crossref]

X. H. Pan, J. D. Yu, Y. Liu, S. Yoda, M. H. Zhang, F. Ai, F. Jin, H. M. Yu, and W. Q. Jin, “Infrared to visible upconversion luminescence in Er3+/Yb3+ doped titanate glass prepared by containerless processing,” J. Lumin. 132(4), 1025–1029 (2012).
[Crossref]

F. T. Aquino, J. L. Ferrari, L. J. Q. Maia, S. J. L. Ribeiro, A. Ferrier, P. Goldner, and R. R. Goncalves, “Near infrared emission and multicolor tunability of enhanced upconversion emission from Er3+-Yb3+ co-doped Nb2O5 nanocrystals embedded in silica-based nanocomposite and planar waveguides for photonics,” J. Lumin. 170, 431–443 (2016).
[Crossref]

J. Non-Cryst. Solids (2)

D. D. Ramteke, R. E. Kroon, and H. C. Swart, “Infrared emission spectroscopy and upconversion of ZnO-Li2O-Na2O-P2O5 glasses doped with Nd3+ ions,” J. Non-Cryst. Solids 457, 157–163 (2017).
[Crossref]

D. D. Ramteke, V. Kumar, and H. C. Swart, “Spectroscopic studies of Sm3+/Dy3+ co-doped lithium boro-silicate glasses,” J. Non-Cryst. Solids 438, 49–58 (2016).
[Crossref]

Mater. Lett. (1)

J. G. Hao, Z. J. Xu, R. Q. Chu, S. Chu, W. Li, P. Fu, J. Du, and C. C. Hu, “Bright upconversion emission and large strain in Er/Sb-codoped (Bi0.5Na0.5)0.945Ba0.065TiO3 ceramics,” Mater. Lett. 193, 138–141 (2017).
[Crossref]

Mater. Res. Bull. (1)

Y. Y. Guo, D. Y. Wang, X. Zhao, and F. Wang, “Fabrication, microstructure and upconversion luminescence of Yb3+/Ln3+ (Ln=Ho, Er, Tm) co-doped Y2Ti2O7 ceramics,” Mater. Res. Bull. 73, 84–89 (2016).
[Crossref]

Nature (1)

A. Rosenflanz, M. Frey, B. Endres, T. Anderson, E. Richards, and C. Schardt, “Bulk glasses and ultrahard nanoceramics based on alumina and rare-earth oxides,” Nature 430(7001), 761–764 (2004).
[Crossref] [PubMed]

Opt. Commun. (1)

F. Lahoz, D. P. Shepherd, J. S. Wilkinson, and M. A. Hassan, “Efficient blue upconversion emission due to confined radiative energy transfer in Tm3+-Nd3+ co-doped Ta2O5 waveguides under infrared-laser excitation,” Opt. Commun. 281(14), 3691–3694 (2008).
[Crossref]

Opt. Express (2)

Opt. Mater. (2)

F. C. Liu, Q. Han, T. G. Liu, Y. F. Chen, Y. Du, and Y. Z. Yao, “Synthesis and down-conversion luminescence properties of Er3+/Yb3+ co-doped AlF3-PbF2-CaF2 powders,” Opt. Mater. 46, 77–81 (2015).
[Crossref]

L. Petit, T. Cardinal, J. J. Videau, E. Durand, L. Canioni, M. Martines, Y. Guyot, and G. Boulon, “Effect of niobium oxide introduction on erbium luminescence in borophosphate glasses,” Opt. Mater. 28(3), 172–180 (2006).
[Crossref]

Sci. Rep. (3)

X. Wen, G. Tang, Q. Yang, X. Chen, Q. Qian, Q. Zhang, and Z. Yang, “Highly Tm3+ doped germanate glass and its single mode fiber for 2.0 μm laser,” Sci. Rep. 6(1), 20344 (2016).
[Crossref] [PubMed]

D. Lu, C. Mao, S. K. Cho, S. Ahn, and W. Park, “Experimental demonstration of plasmon enhanced energy transfer rate in NaYF4:Yb3+,Er3+ upconversion nanoparticles,” Sci. Rep. 6(1), 18894 (2016).
[Crossref] [PubMed]

C. Mi, J. Wu, Y. Yang, B. Han, and J. Wei, “Efficient upconversion luminescence from Ba5Gd8Zn4O21:Yb3+, Er3+ based on a demonstrated cross-relaxation process,” Sci. Rep. 6(1), 22545 (2016).
[Crossref] [PubMed]

Solid State Commun. (1)

H. T. Sun, C. L. Yu, G. Zhou, M. S. Liao, Z. C. Duan, L. L. Hu, and J. J. Zhang, “Comparative investigation of up-conversion luminescence in Tm3+/Yb3+-codoped germanate-niobic and germanium-bismuth glasses: effect of phonon density on up-conversion emission,” Solid State Commun. 134(11), 721–724 (2005).
[Crossref]

Spectrochim. Acta A (1)

R. S. Yadav, R. K. Verma, A. Bahadur, and S. B. Rai, “Infrared to infrared upconversion emission in Pr3+/Yb3+ co-doped La203 crossMark and La(OH)3 nano-phosphors: A comparative study,” Spectrochim. Acta A 142, 324–330 (2015).
[Crossref]

Other (1)

G. Y. Hong, Rare Earth Luminescent Material: Foundation and Application (Science Press, 2011).

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Figures (5)

Fig. 1
Fig. 1 Raman spectra of 0.65Nb2O5-(0.29-y)La2O3-0.01Er2O3-yYb2O3-0.05Ta2O5 glasses (y = 0, 0.01, 0.04).
Fig. 2
Fig. 2 Optical absorption spectra of Er3+/Yb3+ co-doped NLT glasses with different Yb3+ contents.
Fig. 3
Fig. 3 (a) DTA curves of Er3+/Yb3+ co-doped NLT glasses with y = 0, 0.01, 0.04, respectively. (b) The dependence of Tg, To, Tp, and ΔT on the glass composition.
Fig. 4
Fig. 4 Upconversion luminescence spectra of Er3+/Yb3+ co-doped NLT glasses with different Yb3+ contents at the excitation of 976 nm laser.
Fig. 5
Fig. 5 Yb3+ doping content-dependent upconversion luminescence decay curves corresponding to Er3+: 4S3/2em = 553 nm) and 4F9/2em = 670 nm) states in Er3+/Yb3+ co-doped NLT glasses with y = 0 (a, b), 0.01 (c, d), 0.04 (e, f) at the excitation of 976 nm laser.

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