Scientific Results

Fabrication and laser oscillation of Yb:Sc2O3 transparent ceramics from co-precipitated nano-powders

Year: 2018

Authors: Dai ZF., Liu Q., Toci G., Vannini M., Pirri A., Babin V., Nikl M., Wang W., Chen HH., Li J.

Autors Affiliation: [Dai, Zhengfa; Wang, Wei; Chen, Haohong; Li, Jiang] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Transparent & Optofunct Inorgan Mat, Shanghai 200050, Peoples R China.
[Dai, Zhengfa; Liu, Qiang] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Peoples R China.
[Toci, Guido; Vannini, Matteo] CNR Natl Res Council, Ist Nazl Ott, Via Madonna Piano 10, I-50019 Sesto Fiorentino, Italy.
[Pirri, Angela] CNR Natl Res Council, Ist Fis Applicata Nello Carrara, Via Madonna Piano 10, I-50019 Sesto Fiorentino, Italy.
[Babin, Vladimir; Nikl, Martin] Acad Sci Czech Republ, Inst Phys, Cukrovarnicka 10, Prague 16253, Czech Republic.

Abstract: Ytterbium doped scandium oxide (Yb:Sc2O3) transparent ceramics were fabricated by a co-precipitation and vacuum sintering method. The characteristics of the precursor and the calcined powders were investigated by BET, XRD, and SEM. Ultra-fine and low agglomerated 5at%Yb:Sc2O3 powders with the average particle size about 65.4 nm were obtained after calcined at 1100 degrees C for 5 h. Using the synthesized powders as starting materials, 5at%Yb:Sc2O3 transparent ceramics with the in-line transmittance of 71.1% at 1100 nm and average grain size of 145 pm were fabricated by vacuum sintering at 1825 degrees C for 10 h. Quasi-CW laser oscillation of Yb:Sc2O3 ceramics was obtained at 1040.6 nm. A maximum output power as high as 2.44 W with a corresponding slope of 35% was achieved. Finally, the tunability of the ceramic was explored measuring a tuning range up to 55 nm.

Journal/Review: JOURNAL OF THE EUROPEAN CERAMIC SOCIETY

Volume: 38 (4)      Pages from: 1632  to: 1638

More Information: This work was supported by the National Natural Science Foundation of China (Grant No. 61575212 ), the Key research project of the frontier science of the Chinese Academy of Sciences (No. QYZDB-SSW-JSC022 ), the National key R&D Program of China ( 2017YFB0310502 ), and the Short Term Mobility Program 2016 of the National Research Council of Italy .
KeyWords: Co-precipitated nano-powders; Fabrication; Laser performance; Transparent ceramics; Yb:Sc2O3; Calcination; Ceramic materials; Continuous wave lasers; Particle size; Powders; Sintering; Vacuum applications; Ytterbium, Average grain size; Average particle size; Laser oscillations; Laser performance; Maximum output power; Nano powders; Synthesized powder
DOI: 10.1016/j.jeurceramsoc.2017.10.027

Citations: 3
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