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For the first time, to the best of our knowledge, a stable Q-switched Cr:ZnSe laser was realized with the graphene saturable absorber grown on SiC substrate. Under an absorbed pump power of 1.8 W, a maximum average output power of 256 mW was obtained with an optical-to-optical conversion efficiency of 14% and a slope efficiency of 19.6%, corresponding to the highest single pulse energy of 1.66 $\mu \text{J}$ ...
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