Spectroscopic properties of Tm:Bi4Ge3O12 crystals grown by the micro-pulling-down method

被引：6

作者：

Lu, Wen ^{[1
]}

Xu, Jie ^{[1
]}

Song, Qingsong ^{[2
]}

Bian, Kaiting ^{[1
]}

Guo, Jun ^{[1
]}

Liu, Jian ^{[2
]}

Li, Dongzhen ^{[1
]}

Liu, Peng ^{[1
]}

Zhang, Chaojin ^{[1
]}

Xu, Xiaodong ^{[1
]}

Xu, Jun ^{[2
]}

Lebbou, Kheirreddine ^{[3
]}

机构：

[1] Jiangsu Normal Univ, Sch Phys & Elect Engn, Jiangsu Key Lab Adv Laser Mat & Devices, Xuzhou 221116, Jiangsu, Peoples R China

[2] Tongji Univ, Inst Adv Study, Sch Phys Sci & Engn, Shanghai 200092, Peoples R China

[3] Univ Lyon, Univ Lyon 1, Inst Lumiere Matiere, CNRS,UMR5306, F-69622 Villeurbanne, France

来源：

JOURNAL OF LUMINESCENCE | 2021年 / 238卷

基金：

中国国家自然科学基金;

关键词：

Micro-pulling-down method; Spectroscopic property; Tm; Bi4Ge3O12; BI4GE3O12; SINGLE-CRYSTAL; CONTINUOUS-WAVE; STIMULATED-EMISSION; LASER OPERATION; TM3+; LUMINESCENCE; CW;

D O I：

10.1016/j.jlumin.2021.118199

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Tm3+-doped bismuth germanate crystals (Tm:BGO) with various doping concentrations of 0.5, 0.75, 1.0, 1.5, and 2.0 at.% were grown by the micro-pulling-down method (mu-PD). The effect of thulium concentration on the growth, structure, absorption spectra, emission spectra and fluorescence lifetime of H-3(4) and F-3(4) state was studied. Under excitation of 792 nm, Tm:BGO crystals exhibit two fluorescence bands corresponding to the H-3(4) -) F-3(4) and th(e 3)F(4) -) H-3(6) transitions. The fluorescence lifetime of H-3(4) state decreased strongly as the thulium concentration increased, while the lifetime of F-3(4) state was relatively constant for all thulium concentrations.

引用

页数：5

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