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Fabrication and spectral properties of hot-pressed Co:MgAl2O4transparent ceramics for saturable absorber
Luo, Wei1,2,3; Pan, Yubai4; Li, Chaoyu1,2; Kou, Huamin1; Li, Jiang1
2017
Source PublicationJournal of Alloys and Compounds
ISSN09258388
Volume724Pages:45-50
AbstractCobalt-doped magnesium aluminate spinel (Co:MgAl2O4) could be the most effective saturable absorber (SA) for Q-switching solid-state lasers operating at 1.5 μm. Using LiF as the sintering aid, highly transparent Co:MgAl2O4ceramics were fabricated by hot pressing (HP) of the commercial spinel and the co-precipitated Co:MgAl2O4powder mixture. The optical properties of Co:MgAl2O4ceramics were investigated, and the ground state absorption cross section (σgas) of Co2+was calculated from the curve of the absorption coefficient. For the Co:MgAl2O4ceramics hot-pressed at 1600 °C for 2 h under 30 MPa with 1 wt.% LiF addition, the in-line transmittance reaches about 77% at 1000 nm and 1700 nm, and the ground state absorption cross section of Co2+is 2.55 × 10−19cm2at the wavelength of 1540 nm, which is promising as a saturable absorber for solid-state pulse laser operating at 1.5 μm. © 2017
DOI10.1016/j.jallcom.2017.04.292
EI Accession Number20172703890057
EI KeywordsFluorine compounds
EI Classification Number741.1 Light/Optics - 744.1 Lasers, General - 744.4 Solid State Lasers - 812.1 Ceramics
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25591
Collection中国科学院上海硅酸盐研究所
Affiliation1.Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Department of Material Science and Technology, Luoyang Institute of Technology, Luoyang; Henan; 471023, China;
4.Department of Physics, Shanghai Normal University, Shanghai; 200234, China
Recommended Citation
GB/T 7714
Luo, Wei,Pan, Yubai,Li, Chaoyu,et al. Fabrication and spectral properties of hot-pressed Co:MgAl2O4transparent ceramics for saturable absorber[J]. Journal of Alloys and Compounds,2017,724:45-50.
APA Luo, Wei,Pan, Yubai,Li, Chaoyu,Kou, Huamin,&Li, Jiang.(2017).Fabrication and spectral properties of hot-pressed Co:MgAl2O4transparent ceramics for saturable absorber.Journal of Alloys and Compounds,724,45-50.
MLA Luo, Wei,et al."Fabrication and spectral properties of hot-pressed Co:MgAl2O4transparent ceramics for saturable absorber".Journal of Alloys and Compounds 724(2017):45-50.
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