Abstract

A compact, high repetition rate pulse group laser with three nanosecond equal-interval and equal-amplitude sub-pulses has been demonstrated in this paper. Under three-step nanosecond continuous acousto-optic control, a laser pulse group containing three nanosecond interval sub-pulses can be realized. The three sub-pulses have a pulse width of 15 ns, 23 ns, and 25 ns and minimum pulse intervals of 119 ns at a repetition rate of 30 kHz. The corresponding optical-optical conversion efficiency is 29.2 %.

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