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High energy 1064 nm Q-switched laser output is obtained by LD vertical array end pumping Nd:YAG. For different divergence angles of fast axis and slow axis of LD array, aspheric lens and the glass rod is used for beam shaping of LD array. The results show that light intensity distribution of output laser is very sensitive to the structure of the beam shaping system, which can be controlled by adjusting the spatial position of pumping, such as the distance between the aspheric lens and the face of the glass rod, and the approximate Gaussian beam was obtained without damage. When the distance between the aspheric lens pair and the face of the glass rod is 16mm, a 1064 nm Q-switched laser with single pulse energy of 60.4 mJ under the pump energy of 489 mJ, corresponding to optical conversion efficiency of 12.4%.

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