Polarized spectral properties of Sm:CaGdAlO4 crystal for reddish-orange laser

被引：19
作者：
Xu, Xiaodong [1 ]
Hu, Zongwen [1 ]
Li, Ruijuan [2 ,3 ]
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] Inst Low Temp & Struct Res PAS, Okolna 2 Str, Wroclaw, Poland
来源：
OPTICAL MATERIALS | 2017年 / 69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：
Sm:CaGdAlO4; Floating zone method; Reddish-orange laser; OPTICAL-PROPERTIES; GROWTH; SM3+; EMISSION; GLASSES;
D O I：
10.1016/j.optmat.2017.04.046
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The crystal growth, polarized spectral properties, Judd-Ofelt (JO) analysis and lifetime of Sm:CaGdAlO4 (Sm:CGA) crystal were reported for the first time. Sm:CGA crystal with size of 44 x 33 mm(3) was grown by the floating zone (FZ) method. The peak absorption cross-sections at 407 nm were calculated to be 3.41 x 10(-20)cm(2) and 3.20 x 10(-20)cm(2) for the a and x polarization, and the largest stimulated emission cross-sections at 601 nm were 5.10 x 10(-21)cm(2) and 4.66 x 10(-21)cm(2), respectively. The absorption and emission cross-sections were several times larger than that of Sm:LiYF4. The JO intensity parameters of Omega(2), Omega(4) and Omega(6) were calculated to be 3.0 x 10(-20)cm(2), 6.1 x 10-20cm(2) and 6.5 x 10(-20)cm(2), respectively. The lifetime of the (4)G(5/2) level was obtained to be 0.69 ms. All the results indicate that Sm:CGA crystal is a potential laser host for the reddish-orange laser operation. (C) 2017 Elsevier B.V. All rights reserved.
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收藏
页码：333 / 338
页数：6
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