The impact of Era ions on the spectroscopic scrutiny of Bismuth bariumtelluroborate glasses for display devices and 1.53 μm amplification

被引:99
作者
Naseer, K. A. [1 ]
Arunkumar, S. [1 ]
Marimuthu, K. [1 ]
机构
[1] Gandhigram Rural Univ, Dept Phys, Gandhigram 624302, India
关键词
Bismuth barium telluroborate glasses; 1.53 mu m emission; Judd-Ofelt parameters; Radiative parameters; CIE coordinates; CCT and Duv; WHITE-LIGHT EMISSION; ZINC BORATE GLASSES; LUMINESCENCE PROPERTIES; OPTICAL-ABSORPTION; ER3+; TELLURITE; INTENSITIES; PHOTOLUMINESCENCE; BEHAVIOR; GREEN;
D O I
10.1016/j.jnoncrysol.2019.119463
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Er3+ incorporated Bismuth bariumtelluroborate [BTBxEr] glasses were synthesized using the composition, 20TeO(2) + (30-x)B2O3 + 30BaO + 20Bi(2)O(3) + xEr(2)O(3), following the traditional melt quenching method. The bonding parameters were calculated using absorption spectra to analyze the dopant-host bonding nature. Omega(lambda) (lambda = 2,4,6) intensity parameters are determined from the oscillator strengths employing Judd-Ofelt (JO) theory for the estimation of the radiative parameters. Broad emission transition I-4(13/2) -> I-4(15/2) were observed around 1530 nm, under 980 nm excitation which exhibits outstanding increased intensity with the Er3+ concentration of till it reaches 0.5 wt%. CIE chromaticity coordinates, CCT and Duv have determined to analyze the color of emission and the absorption quality of the glasses. Lifetime for the I-4(13/2) excited (at 980 nm excitation) and S-4(3/2) (at 488 nm excitation) levels of Er3+ ions were measured using decay measurements. Of all investigations, BTBEr glasses could be an apt material for the fabrication optical amplifiers, display devices and green laser applications.
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页数:14
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