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Polycrystalline Ho: LuAG laser ceramics: Fabrication, microstructure, and optical characterization
Li, Chaoyu1,2; Xie, Tengfei1; Ye, Zhang3; Yao, Baoquan3; Kou, Huamin1; Pan, Yubai4; Li, Jiang1
2017
Source PublicationJournal of the American Ceramic Society
ISSN00027820
Volume100Issue:5Pages:2081-2087
AbstractHo:Lu3Al5O12(LuAG) transparent ceramics are potential 2 μm eye-safe laser materials. Polycrystalline 0.8 at.% Ho:LuAG ceramics with high optical quality were successfully fabricated by solid-state reactive sintering of high-purity oxide powders. The microstructure, the optical transmission, the spectrum characteristic, and the laser performance were investigated in this paper. The average grain size of Ho:LuAG ceramics vacuum sintered at 1830°C for 30 hour is about 14 μm. The in-line transmittance of the sample is measured to be 81.7% and 82.0% at 1000 and 2250 nm, respectively. The absorption and the emission cross sections are calculated to be 0.88 × 10−20 cm2at 1906 nm and 1.26 × 10−20 cm2at 2094 nm. Using a thulium-doped yttrium-lithium-fluoride (Tm:YLF) laser with the central wavelength of 1907.5 nm as the pump source, 2.67 W continuous wave (CW) laser operation at 2100.74 nm was obtained with a slope efficiency of 26.5%. The beam quality factor M2was calculated to be 1.1, which indicated nearly diffraction-limited beam propagation and the laser was the fundamental TEM00Gaussian mode. © 2017 The American Ceramic Society
DOI10.1111/jace.14771
EI Accession Number20171003415446
EI KeywordsYLF lasers
EI Classification Number711 Electromagnetic Waves - 741.1 Light/Optics - 744.1 Lasers, General - 744.4.1 Semiconductor Lasers - 812.1 Ceramics - 951 Materials Science
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25852
Collection中国科学院上海硅酸盐研究所
Affiliation1.Key Laboratory of Transparent and Opto-Functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China;
2.University of Chinese Academy of Sciences, Beijing, China;
3.National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin, China;
4.Department of Physics, Shanghai Normal University, Shanghai, China
Recommended Citation
GB/T 7714
Li, Chaoyu,Xie, Tengfei,Ye, Zhang,et al. Polycrystalline Ho: LuAG laser ceramics: Fabrication, microstructure, and optical characterization[J]. Journal of the American Ceramic Society,2017,100(5):2081-2087.
APA Li, Chaoyu.,Xie, Tengfei.,Ye, Zhang.,Yao, Baoquan.,Kou, Huamin.,...&Li, Jiang.(2017).Polycrystalline Ho: LuAG laser ceramics: Fabrication, microstructure, and optical characterization.Journal of the American Ceramic Society,100(5),2081-2087.
MLA Li, Chaoyu,et al."Polycrystalline Ho: LuAG laser ceramics: Fabrication, microstructure, and optical characterization".Journal of the American Ceramic Society 100.5(2017):2081-2087.
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