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Title: Highly efficient lasing and thermal properties of Tm:Y2O3 and Tm:(Y,Sc)2O3 ceramics
Authors: Vakalov, D. S.
Вакалов, Д. С.
Lapin, V. A.
Лапин, В. А.
Keywords: Efficiency;Vacuum sintering;Laser ablation;Sintering;Thermal conductivity;Broadband emission;Ceramic lasers;Gain-bandwidth;High thermal conductivity;Laser property;Lasers ablations;Spectroscopic property
Issue Date: 2023
Citation: Eremeev, K., Loiko, P., Maksimov, R., Shitov, V., Osipov, V., Vakalov, D., Lapin, V., Camy, P., Chen, W., Griebner, U., Petrov, V., Braud, A. Highly efficient lasing and thermal properties of Tm:Y2O3 and Tm:(Y,Sc)2O3 ceramics // Optics Letters. - 2023. - 48 (15), pp. 3901-3904. - DOI: 10.1364/OL.495516
Series/Report no.: Optics Letters
Abstract: We report on thermal, spectroscopic, and laser properties of transparent 5 at.% Tm3+-doped yttria and "mixed"yttria-scandia ceramics fabricated by vacuum sintering at 1750°C using nanoparticles produced by laser ablation. The solid-solution (Tm0.05Y0.698Sc0.252)2O3 ceramic features a broadband emission extending up to 2.3 μm (gain bandwidth, 167 nm) and high thermal conductivity of 4.48Wm-1 K-1. A Tm:Y2O3 ceramic laser generated 812mW at 2.05 μm with a slope efficiency η of 70.2%. For the Tm:(Y,Sc)2O3 ceramic, the output power was 523mW at 2.09 μm with η =44.7%. These results represent record-high slope efficiencies for any parent or "mixed"Tm3+-doped sesquioxide ceramics.
Appears in Collections:Статьи, проиндексированные в SCOPUS, WOS

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