Abstract
We report on the first investigation of a passive mode-locking Nd:LuLiF4 laser at 1047 nm with semiconductor saturable absorber mirror. The maximal average output power of 1.21 W was obtained with a slope efficiency of 10.8%, under an incident pump power of 12.6 W. The pulse duration of 5.1 ps and a spectral width of 0.45 nm were obtained with a repetition rate of 40 MHz. This corresponds to the single pulse energy of 30.3 nJ and the peak power of 5.93 kW.
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