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Spectral and laser properties of Nd:YSAG single crystal
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
2017-08-05
发表期刊ACTA PHYSICA SINICA
卷号66期号:15
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.
文章类型Article
关键词Nd:Ysag Absorption Fluorescence Laser Diode Pumped Solid-state Laser
WOS标题词Science & Technology ; Physical Sciences
资助者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) ; Knowledge Innovation Program of the Chinese Academy of Sciences(CXJJ-16M251 ; Knowledge Innovation Program of the Chinese Academy of Sciences(CXJJ-16M251 ; Anhui Provincial Natural Science Foundation, China(608085ME91) ; Anhui Provincial Natural Science Foundation, China(608085ME91) ; 61405206) ; 61405206) ; CXJJ-15M055) ; CXJJ-15M055) ; 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) ; Knowledge Innovation Program of the Chinese Academy of Sciences(CXJJ-16M251 ; Knowledge Innovation Program of the Chinese Academy of Sciences(CXJJ-16M251 ; Anhui Provincial Natural Science Foundation, China(608085ME91) ; Anhui Provincial Natural Science Foundation, China(608085ME91) ; 61405206) ; 61405206) ; CXJJ-15M055) ; CXJJ-15M055)
DOI10.7498/aps.66.154204
关键词[WOS]OPTICAL-PROPERTIES ; CERAMIC LASER ; YSAG ; Y3SC2AL3O12
收录类别SCI
语种英语
资助者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) ; Knowledge Innovation Program of the Chinese Academy of Sciences(CXJJ-16M251 ; Knowledge Innovation Program of the Chinese Academy of Sciences(CXJJ-16M251 ; Anhui Provincial Natural Science Foundation, China(608085ME91) ; Anhui Provincial Natural Science Foundation, China(608085ME91) ; 61405206) ; 61405206) ; CXJJ-15M055) ; CXJJ-15M055) ; 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) ; Knowledge Innovation Program of the Chinese Academy of Sciences(CXJJ-16M251 ; Knowledge Innovation Program of the Chinese Academy of Sciences(CXJJ-16M251 ; Anhui Provincial Natural Science Foundation, China(608085ME91) ; Anhui Provincial Natural Science Foundation, China(608085ME91) ; 61405206) ; 61405206) ; CXJJ-15M055) ; CXJJ-15M055)
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000410775700014
引用统计
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33733
专题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
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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).
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