✦ LIBER ✦

Crystal growth, spectroscopic characterization, and laser performance of Tm:LiLuF4 crystal

✍ Scribed by J. Xiong; H.Y. Peng; C.C. Zhao; Y. Hang; L.H. Zhang; M.Z. He; X.M. He; G.Z. Chen

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 170 KB
Volume: 6
Category: Article
ISSN: 1612-2011
DOI: 10.1002/lapl.200910088

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✦ Synopsis

High quality Tm-doped LiLuF 4 (Tm:LLF) single crystal was grown by the Czochralski technique. Room temperature absorption spectrum and fluorescence spectrum of the Tm:LLF crystal were measured and analyzed. Based on Judd-Ofelt approach, the intensity parameters Ω λ (λ = 2,4,6) were calculated to be Ω2 = 0.93×10 -20 cm 2 , Ω4 = 1.19×10 -20 cm 2 , and Ω 6 = 1.75×10 -20 cm 2 . Other spectroscopic parameters that relate to laser performance were also obtained. Finally, laser performance of Tm:LLF crystal was investigated and 1.92 μm laser with a maximum output power of 7.16 W was obtained.

Output power,

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