Optical properties of Er3+/Yb3+ co-doped bismuth calcium borate glass system for NIR lasers and fiber amplifiers

被引：29

作者：

Nian, Shangjiu ^{[1
]}

Zhang, Yin ^{[1
,2
]}

Cao, Weijing ^{[1
]}

Wu, Zhenning ^{[1
]}

Tang, Jun ^{[1
]}

Li, Mingming ^{[1
]}

Zhou, Nianying ^{[1
]}

Shu, Yan ^{[1
]}

机构：

[1] Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 210009, Jiangsu, Peoples R China

[2] Nanjing Haoqi Adv Mat Co Ltd, Nanjing 211300, Jiangsu, Peoples R China

来源：

JOURNAL OF LUMINESCENCE | 2018年 / 194卷

关键词：

Bismuthate glass; Rare earth's; Optical properties; Judd-Ofelt parameters; FREQUENCY UP-CONVERSION; MU-M EMISSION; SPECTROSCOPIC PROPERTIES; ENERGY-TRANSFER; ABSORPTION INTENSITIES; PHOSPHATE-GLASSES; ER3+ IONS; LUMINESCENCE; FLUORESCENCE; TRANSITIONS;

D O I：

10.1016/j.jlumin.2017.10.036

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An Er3+/Yb3+ co-doped bismuthate (Bi2O3-B2O3-CaO) glass was prepared by melt quenching method. The samples were analyzed by X-ray diffraction (XRD), Fourier transform infrared (FT-IR), absorption and emission spectroscopy. The Judd-Ofelt parameters (Omega(lambda).) were determined from the intensity of the absorption band to calculate the radiation parameters, such as the radiation lifetime (tau rad), radiation transition probability (A(rad)) and branching ratio (beta(JJ')) of I-4(13/2) laser conversion of Er3+ ions. The effective emission bandwidth (Delta lambda(P)), stimulated emission cross section (sigma(se)) and gain bandwidth (sigma(se) x Delta lambda(p)) were determined on the emission spectra, and the optimum doping concentration of Er2O3 was 0.5 mol%. The present work indicates that Er3+/Yb3+ co-doped bismuth calcium borate glass can be promising materials for solid state NIR lasers and fiber amplifiers.

引用

页码：440 / 445

页数：6

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