Journal
OPTICS LETTERS
Volume 43, Issue 17, Pages 4300-4303Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.43.004300
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Funding
- National Natural Science Foundation of China (NSFC) [61475089, 61635012]
- National Key Research and Development Program of China [2016YFB0701002]
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A Tm3+, La3+: CaF2 single crystal was grown, and its spectral properties and laser performance were investigated. Under diode end-pumping, a continuous-wave laser has been demonstrated. The slope efficiency of up to 67.8% was first achieved in the co-doping crystal, which is close to twice the theoretical quantum efficiency. A maximum output power of 4.269 W and a broad tunable range of 192 nm were also obtained, indicating this system is a promising candidate for highly efficient similar to 2 mu m lasers. (C) 2018 Optical Society of America
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