[1]
E.O. Serqueira, N.O. Dantas, A.F.G. Monte, M.J.V. Bell, Judd Ofelt Calculation of Quantum Efficiencies and Branching Ratios of Nd3+ Doped Glass, Journal of Non Crystalline Solids 352 (2006) 3628-3632.
DOI: 10.1016/j.jnoncrysol.2006.03.093
Google Scholar
[2]
K. Selvaraju, K. Marimuthu, Structural and Spectroscopic Studies on Concentration Dependent Sm3+ Doped\ Boro-Tellurite Glasses, Journal of Alloys and Compound 553 (2013) 273-281.
DOI: 10.1016/j.jallcom.2012.11.150
Google Scholar
[3]
O. Ravi, C.M. Reddy, L. Manoj, B.D.P. Raju, Structural and Optical Studies of Sm3+ ions Doped Niobium Borotellurite Glasses, Journal of Molecular Structure 1029 (2012) 53-59.
DOI: 10.1016/j.molstruc.2012.06.059
Google Scholar
[4]
Z.A.S. Mahraz, M.R. Sahar, S.K. Ghoshal, Enhanced Luminescence from Silver Nanoparticles Integrated Er3+ -Doped Boro-Tellurite Glasses: Impact of Annealing Temperature, Journal of Alloys and Compounds 649 (2015) 1102-1109.
DOI: 10.1016/j.jallcom.2015.07.232
Google Scholar
[5]
K.V. Raju, C.N. Raju, B.S. Reddy, Judd-Ofelt Analysis and Photoluminescence Properties of RE3+ (RE=Er & Nd): Cadmium Lithium Boro Tellurite Glasses, Solid State Sciences 15 (2013) 102-109.
DOI: 10.1016/j.solidstatesciences.2012.08.011
Google Scholar
[6]
Z.A.S. Mahraz, M.R. Sahar, S.K. Ghoshal, M.R. Dousti, Concentration Dependent Luminescence Quenching of Er3+ -Doped Zinc Boro-Tellurite Glass, Journal of Luminescence 144 (2013) 139-145.
DOI: 10.1016/j.jlumin.2013.06.050
Google Scholar
[7]
H. Nurhafizah, M.S. Rohani, S.K. Ghoshal, Er3+:Nd3+ concentration dependent spectral features of lithium niobate-tellurite amorphous media, Journal of Non-Crystalline Solids 443 (2016) 23-32.
DOI: 10.1016/j.jnoncrysol.2016.04.002
Google Scholar
[8]
G. Bilir, G. Ozen, D. Tatar, M.L. Ovecoglu, Judd-Ofelt Analysis and Near Infrared Emission Properties of Er3+ Ions in Tellurite Glasses Containing WO3 and CdO, Optics Communications 284 (2011) 863-868.
DOI: 10.1016/j.optcom.2010.09.087
Google Scholar
[9]
M. Seshadri, E.F. Chillcce, J.D. Marconi, F.A. Sigoli, Y.C. Ratnakaram, L.C. Barbosa, Optical Characterization, Infrared and Emission and Visible Up-Conversion in Er3+ Doped Tellurite Glasses, Journal of Non-Crystalline Solids 402 (2014) 141-148.
DOI: 10.1016/j.jnoncrysol.2014.05.024
Google Scholar
[10]
L. Jyothi, V. Venkatramu, P. Babu, C.K. Jayasankar, M. Bettinelli, G. Mariotto, A. Speghini, Composition and Concentration Dependence of Spectroscopic Properties of Nd3+ -Doped Tellurite and Metaborate Glasses, Optical Materials 33 (2011) 928-936.
DOI: 10.1016/j.optmat.2010.11.015
Google Scholar
[11]
V.C.V. Gowda, Effect of Bi3+ Ions on Physical, Spectroscopic and Optical Properties of Nd3+ Doped Sodium Diborate Glasses, Physica B 426 (2013) 58-64.
DOI: 10.1016/j.physb.2013.06.007
Google Scholar
[12]
P.H. Gonzalez, I.R. Martin, L.L. Martin, S.F.L. Luis, C.P. Rodriguez, V. Lavin, Characterization of Er3+ and Nd3+ Doped Strontium Barium Niobate Glass Ceramic as Temperature Sensors, Optical Materials 33 (2011) 742-745.
DOI: 10.1016/j.optmat.2010.11.026
Google Scholar
[13]
F. Huang, Y. Zhang, L. Hu, D. Chen, Judd-Ofelt Analysis and Energy Transfer Processes of Er3+ and Nd3+ Doped Fluoroaluminate Glasses with Low Phosphate Content, Optical Materials 38 (2014) 167-173.
DOI: 10.1016/j.optmat.2014.10.019
Google Scholar
[14]
T. Sasikala, M.L. Rama, Photoluminescence Properties of Singly doped Tm3+ and codoped Tm3+/Tb3+ ions in Tellurite Glasses, Journal of Molecular Structure 1076 (2014) 529-534.
DOI: 10.1016/j.molstruc.2014.07.051
Google Scholar
[15]
M.S. Sajna, S. Thomas, K.A.A. Mary, C. Joseph, P.R. Biju, N.V. Unnikrishnan, Spectroscopic Properties of Er3+ ions in multicomponent Tellurite Glasses, Journal of Luminescence 159 (2015) 55-65.
DOI: 10.1016/j.jlumin.2014.10.062
Google Scholar
[16]
P.V. Ramakrishna, S.V.N. Pammi, K. Samatha, UV-Visible Upconversion Studies of Nd3+ Ions in Tellurite Glass, Solid State Communications 155 (2013) 21- 24.
DOI: 10.1016/j.ssc.2012.10.043
Google Scholar
[17]
S. Zheng, Y. Zhou, D. Yin, X. Xu, Y. Qi, S. Peng, The 1.53 μm Spectroscopic Properties and Thermal Stability in Er3+/ Ce3+ codoped TeO2 – WO3 – Na2O – Nb2O5 Glasses, Journal of Quantitative Spectroscopy & Radiative Transfer 120 (2013) 44-51.
DOI: 10.1016/j.jqsrt.2013.02.024
Google Scholar
[18]
Malta O.L., Lanthanide f-f transitions hypersensitive to the environment, Molecular Physics 42(1) (1981) 65-72.
Google Scholar
[19]
Karraker D.G., Hypersensitive Transitions of Six-, Seven-, and Eight-Coordinate Neodymium, IIolmiuni, and Erbium Chelates, Inorgunic Chemistry 6(10) (1967) 1863-1868.
DOI: 10.1021/ic50056a022
Google Scholar
[20]
Judd B.R., Hypersensitive Transitions in ƒ-Electron Systems, University Queensland (1980) 267-274.
Google Scholar
[21]
F. Nawaz, M.R. Sahar, S.K. Ghoshal, A. Awang, R.J. Amjad, Judd-Ofelt Analysis of Spectroscopic Properties of Sm3+ Doped Sodium Tellurite Glasses Co-Doped with Yb3+, Journal of Luminescence 147 (2014) 90-96.
DOI: 10.1016/j.jlumin.2013.10.049
Google Scholar
[22]
P.V. Do, V.P. Tuyen, V.X. Quang, N.T. Thanh, V.T.T. Ha, N.M. Khaisukov, Y. Lee, B.T. Huy, Judd-Ofelt Analysis of Spectroscopic Properties of Sm3+ions in K2YF5 Crystal, Journal of Alloys and Compounds 520 (2012) 262-265.
DOI: 10.1016/j.jallcom.2012.01.037
Google Scholar
[23]
D. Rajesh, Y.C. Ratnakaram, A. Balakrishna, Er3+ -doped Strontium Lithium Bismuth Borate Glasses for Broadband 1.5 µm Emission-Structural and Optical Properties, Journal of Alloys & Compounds 563 (2013) 22-27.
DOI: 10.1016/j.jallcom.2013.02.055
Google Scholar
[24]
A.D. Sontakke, K. Annapurna, Spectroscopic Properties and Concentration Effects on Luminescence Behavior of Nd3+ doped Zinc-Boro-Bismuthate Glasses, Materials Chemistry and Physics 137 (2013) 916-921.
DOI: 10.1016/j.matchemphys.2012.11.002
Google Scholar
[25]
I. Jlassi, H. Elhouichet, M. Ferid, C. Barthou, Judd-Ofelt Analysis and Improvement of Thermal and Optical Properties of Tellurite Glasses by Adding P2O5, Journal of Luminescence 130 (2010) 2394-2401.
DOI: 10.1016/j.jlumin.2010.07.026
Google Scholar
[26]
D.K. Sardar, J.B. Gruber, B. Zandi, J.A. Hutchinson, C.W. Trussell, Judd-Ofelt Analysis of the Er3+ (4f11) Absorption Intensities in Er3+-doped Garnets, Journal of Applied Physics 93 (2003) 2041-2046.
DOI: 10.1063/1.1536738
Google Scholar
[27]
S. Bhardwaj, R. Shukla, S. Sanghi, A. Agarwal, I. Pal, Optical Absorption and Fluorescence Spectral Analysis of Nd3+ doped Bismuth Boro-Silicate Glasses, International Journal of Modern Engineering Research 2 (2012) 3829-3834.
DOI: 10.4028/www.scientific.net/amr.585.279
Google Scholar
[28]
A. Awang, Structural and Optical Properties of Erbium Doped Zinc Sodium Tellurite Glass: Effects of Gold Nanoparticles, (2014) PhD Thesis UTM.
Google Scholar
[29]
S. Berneschi, M. Bettinelli, M. Brenci, G.N. Conti, S. Pelli, S. Sebastiani, C. Siligardi, A. Speghini, G.C. Righini, Aluminium co-doping of Soda-Lime Silicate Glasses: Effect on Optical and Spectroscopic Properties, Journal of Non-Crystalline Solids 351 (2005) 1747-1753.
DOI: 10.1016/j.jnoncrysol.2005.04.008
Google Scholar