Abstract

In this paper, a LD end-pumped passively Q-switched YAG/Nd:YAG/Cr4+:YAG pulse burst 1064nm laser is demonstrated. The output performance of pulse burst laser is optimized by using different output couplers. A pulse burst with 11 pulses under the pump duration of 1ms is obtained by using an output mirror with T=30%. The minimum pulse width is shortened to be 1.7ns with a pulse energy of 210μJ. The highest peak power in YAG/Nd:YAG/Cr4+:YAG pulse burst laser is estimated to be ∼123.5kW.

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