Optical spectroscopy of Dy3+-doped CaGdAlO4 single crystal for potential use in solid-state yellow lasers

被引：53

作者：

Xu, Xiaodong ^{[1
]}

Hu, Zongwen ^{[1
]}

Li, Ruijuan ^{[2
]}

Li, Dongzhen ^{[1
]}

Di, Juqing ^{[4
]}

Su, Liangbi ^{[2
]}

Yang, Qiuhong ^{[3
]}

Sai, Qinglin ^{[5
]}

Tang, Huili ^{[6
]}

Wang, Qingguo ^{[6
]}

Strzep, Adam ^{[7
]}

Xu, Jun ^{[6
]}

机构：

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

[2] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Transparent & Optofunct Inorgan Mat, Shanghai 201899, Peoples R China

[3] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200444, Peoples R China

[4] Vital Mat Co Ltd, Natl Engn & Technol Res Ctr Scattered Met, Qingyuan 511517, Peoples R China

[5] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China

[6] Tongji Univ, Sch Phys Sci & Engn, Shanghai 200092, Peoples R China

[7] PAS, Inst Low Temp & Struct Res, Okolna 2 Str, Wroclaw, Poland

来源：

OPTICAL MATERIALS | 2017年 / 66卷

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Dy:CaGdAlO4; Floating zone method; Yellow laser; SPECTRAL PROPERTIES; VISIBLE LASERS; DY3+; GROWTH; PERFORMANCE; OPERATION; IONS; NM;

D O I：

10.1016/j.optmat.2017.02.046

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The crystal growth, optical spectra and lifetime of Dy:CaGdAlO4 crystal were investigated for the first time to our best knowledge. Single Dy:CaGdAlO4 crystal with size of phi 4 x 40 mm(3) was grown by floating zone method. The peak absorption cross-sections were calculated to be 2.43 x 10(-21)cm(2) and 1.28 x 10(-21) cm(2) at 453 nm for sigma and pi polarizations. The Judd-Ofelt (JO) parameters of 02, 04 and 06 were calculated to be 1.8 x 10(-2)0cm(2), 1.0 x 10(-20)cm(2) and 0.5 x 10(-20)cm(2), respectively. The emission cross-sections were calculated to be 0.51 x 10(-20)cm(2) and 0.55 x 10(-20)cm(2) for a and pi polarizations. The fluorescence decay time is 222 mu s. The results indicate that the Dy:CaGdAlO4 crystal is a potential candidate for yellow laser operation. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：469 / 473

页数：5

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