Spectroscopic characterization and laser test of a 10at.% Yb:Y3Sc1.5Al3.5O12 ceramic sample  

Angela Pirri1, Guido Toci2*, Jiang Li3, Yagang Feng3, Tengfei Xie3, Zhaoxiang Yang3, Barbara Patrizi4, Matteo Vannini

1Istituto di Fisica Applicata “Carrara”, Consiglio Nazionale delle Ricerche, IFAC-CNR,Via Madonna del Piano 10C, 50019 Sesto Fiorentino (Fi), Italy

2Istituto Nazionale di Ottica, Consiglio Nazionale delle Ricerche, INO-CNR,Via Madonna del Piano 10C, 50019 Sesto Fiorentino (Fi), Italy

3Key Laboratory of Transparent and Opto-functional Advanced Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, China

4Istituto Nazionale di Ottica, Consiglio Nazionale delle Ricerche, INO-CNR, Largo Fermi 6, 50125 Firenze, Italy

Adv. Mater. Lett., 2019, 10 (1), pp 45-48

DOI: 10.5185/amlett.2019.2145

Publication Date (Web): Dec 10, 2018

E-mail: guido.toci@ino.cnr.it

Abstract


We present the spectroscopic characterization and the laser measurements obtained with a 10 at.% Yb:Y3Sc1.5Al3.5O12 (=YSAG) ceramic sample. Longitudinally pumped in quasi-Continuous Wave (QCW) and in Continuous Wave (CW) at 936 nm, the ceramic has shown good laser performance. In the former pumping regime it delivers 6.7 W with a slope efficiency of ηs=67.8% and a laser threshold below 0.5 W. In the latter, the maximum output power was 5 W with ηs=52.7%.  Finally, the tunable laser action has been obtained in the range between 991.5 nm and 1073 nm, i.e. 81.5 nm, by using a ZnSe prism. 

Keywords

Solid state laser, transparent laser ceramic, ytterbium-doped laser ceramics, diode-pumped solid-state laser, tunable laser cavity.

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