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Cu12Sb4S13 nanocrystals as absorbers for a diode-pumped Tm,La:CaF2 2 μm Q-switched laser
Optics Communications ( IF 1.961 ) Pub Date : 2020-01-10 , DOI: 10.1016/j.optcom.2020.125281
Cheng Zhang; Feng Zhang; Keqiang Chen; Xinsheng Guo; Jie Liu; Liangbi Su; Han Zhang

Cu12Sb4S13 nanocrystals were successfully grown via thermal implantation and applied in a solid-state pulsed laser for the first time. By applying Cu12Sb4S13 as an saturable absorber, a stable passively Q-switched Tm,La:CaF 2 laser was obtained at 2 μm. Under an absorbed pumped power of 3.79 W, an average output power of 445 mW was generated with a maximumrepetition rate of 26.85 kHz and pulse width of 1.24 μs, corresponding to a peak power of 11.75 W and pulse energy of 15.29 μJ. The results demonstrate the potential of Cu12Sb4S13 nanocrystals as economical, practical, and flexible band-gap saturable absorbers.
更新日期:2020-01-10

 

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