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Spectroscopy and diode-pumped laser operation of transparent Tm:Lu3Al5O12 ceramics produced by solid-state sintering
Yue, FX; Loiko, P; Chen, MT; Serres, JM; Wang, YC; Li, J; Basyrova, L; Dunina, E; Kornienko, A; Fomicheva, L; Dai, SB; Chen, ZQ; Eun, J; Park, TG; Rotermund, F; Jambunathan, V; Lucianetti, A; Mocek, T; Aguil, M; Diaz, F; Griebner, U; Petrov, V; Mateos, X
2020-09-14
Source PublicationOPTICS EXPRESS
ISSN1094-4087
Issue19Pages:28399
SubtypeArticle
AbstractA transparent Tm:Lu3Al5O12 ceramic is fabricated by solid-state reactive sintering at 1830 degrees C for 30 h using commercial alpha-Al2O3 and Lu2O3/Tm2O3 powders and sintering aids - MgO and TEOS. The ceramic belongs to the cubic system and exhibits a close-packed structure (mean grain size: 21 mu m). The in-line transmission at similar to 1 mu m is 82.6%, close to the theoretical limit. The spectroscopic properties of the ceramic are studied in detail. The maximum stimulated-emission cross-section is 2.37x10(-21) cm(2) at 1749nm and the radiative lifetime of the F-3(4) state is about 10 ms. The modified Judd-Ofelt theory accounting for configuration interaction is applied to determine the transition probabilities of Tm3+, yielding the intensity parameters Omega(2) =2.507, Omega(4) = 1.236, Omega(6) = 1.340 [10(-20) cm(2)] and alpha = 0.196x10(-4) cm. The effect of excited configurations on lower-lying interconnected states with the same J quantum number is discussed. First laser operation is achieved under diode-pumping at 792 nm. A 4 at.% Tm:Lu3Al5O12 ceramic laser generated 3.12 W at 2022-2035nm with a slope efficiency of 60.2%. The ceramic is promising for multi-watt lasers at >2 mu m. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
DOI10.1364/OE.400802
WOS KeywordRARE-EARTH IONS ; OPTICAL-PROPERTIES ; CONFIGURATION-INTERACTION ; CRYSTAL-GROWTH ; EFFICIENT ; TM ; YAG ; TRANSITIONS ; INTENSITIES ; PERFORMANCE
Language英语
WOS Research AreaOptics
PublisherOPTICAL SOC AMER
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27758
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Yue, FX,Loiko, P,Chen, MT,et al. Spectroscopy and diode-pumped laser operation of transparent Tm:Lu3Al5O12 ceramics produced by solid-state sintering[J]. OPTICS EXPRESS,2020(19):28399.
APA Yue, FX.,Loiko, P.,Chen, MT.,Serres, JM.,Wang, YC.,...&Mateos, X.(2020).Spectroscopy and diode-pumped laser operation of transparent Tm:Lu3Al5O12 ceramics produced by solid-state sintering.OPTICS EXPRESS(19),28399.
MLA Yue, FX,et al."Spectroscopy and diode-pumped laser operation of transparent Tm:Lu3Al5O12 ceramics produced by solid-state sintering".OPTICS EXPRESS .19(2020):28399.
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