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  2. 合肥物质科学研究院
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  4. 中科院安徽光学精密机械研究所
Spectral and laser properties of Nd:YSAG single crystal

文献类型：期刊论文

作者Lu Wan-Cheng1,2; Zhang Qing-Li1; Luo Jian-Qiao1; Ding Shou-Jun1,2; Dou Ren-Qin1; Peng Fang1; Zhang Hui-Li1; Wang Xiao-Fei1; Sun Gui-Hua1; Sun Dun-Lu1
刊名ACTA PHYSICA SINICA
出版日期2017-08-05
卷号66期号:15
关键词Nd:Ysag Absorption Fluorescence Laser Diode Pumped Solid-state Laser
DOI10.7498/aps.66.154204
文献子类Article
英文摘要In order to solve the problem of low segregation coefficient of Nd3+ ions in YAG crystal, Sc3+ ions are used to replace some Al3+ ions in YAG, so that the YAG cell becomes bigger, thereby the segregation coefficient of Nd3+ ion increase. In this paper, the spectra and laser characteristics of Nd:YSAG single crystal are studied. The (1.5 at.%) Nd3+ :Y3Sc2Al3O12 (YSAG) laser crystal is grown by Czochralski method, and X-ray rocking curve shows that the crystal quality is good. The concentration of ions in Nd:YSAG is measured by an electronic probe. The segregation coefficient of N3+ ion is calculated to be 0.35, which is approximately twice as much as that of Nd3+ in YAG. The absorption and emission spectra are measured, which indicates that it can be pumped by an 808 nm-laser diode (LD). The strongest emission from the transition F-4(3/2) -> I-4(11/2) of Nd:YSAG peaks at 1059 nm with an emission cross section of 1.03 x 10(19) cm(2), and the lifetime of F-4(3/2) is about 253 mu s, which indicates that Nd:YSAG has roughly an efficiency equal to that of Nd:YAG, but the laser upper level lifetime is longer than that of Nd:YAG, which is more favorable for Q- switched laser operation. The 808 nm-LD is used to pump Nd:YSAG rod of 2 mm x 2 mm x 6 mm, the laser operation with a threshold of 0.85 W and a maximum output power of 1.1 W is realized: the laser slope efficiency is 21.1%, and the optical conversion efficiency is 18.3%. All of the above results show that Nd: YSAG single crystal is a good solid state laser material, which is more favorable for Q- switched laser operation.
WOS关键词OPTICAL-PROPERTIES ; CERAMIC LASER ; YSAG ; Y3SC2AL3O12
WOS研究方向Physics
语种英语
WOS记录号WOS:000410775700014
资助机构National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Natural Science Foundation of China(51502292 ; National Key R&D Program of China(2016YFB0402101) ; National Key R&D Program of China(2016YFB0402101) ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/33733]  
专题合肥物质科学研究院_中科院安徽光学精密机械研究所
作者单位1.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Photon Devices & Mat Anhui Prov, Hefei 230031, Anhui, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Lu Wan-Cheng,Zhang Qing-Li,Luo Jian-Qiao,et al. Spectral and laser properties of Nd:YSAG single crystal[J]. ACTA PHYSICA SINICA,2017,66(15).
APA Lu Wan-Cheng.,Zhang Qing-Li.,Luo Jian-Qiao.,Ding Shou-Jun.,Dou Ren-Qin.,...&Sun Dun-Lu.(2017).Spectral and laser properties of Nd:YSAG single crystal.ACTA PHYSICA SINICA,66(15).
MLA Lu Wan-Cheng,et al."Spectral and laser properties of Nd:YSAG single crystal".ACTA PHYSICA SINICA 66.15(2017).

入库方式： OAI收割

来源：合肥物质科学研究院

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