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A diode end-pumped self-Q-switched Cr, Nd:YAG laser was established with pulse duration in the range of 8-10ns.The maximum average output power was 4.4 W and the slope efficiency was 27% using an output coupler of R = 70%.At pumping power of 17.4 W the laser produces high-quality pulses at 1064nm in a TEM00-mode.