Abstract
An average power of 96W pulse-bursts picosecond laser system at a pulse repetition frequency of 1kHz was reported with six pulses in bursts. Pulses in bursts have equal spacing and amplitude; spacing between each pulse was 800ps, which repetition rate was up to gigahertz. The beam quality of M2 factor was less than 3, and pulse width was 50ps. Pulses from a Nd:YVO4 mode-locked laser were broadened to 115ps by a volume-Bragg grating and each pulse was divided into six pulses by beam splitter mirrors to obtain seed bursts. A Nd:YAG regenerative amplifier and two stages of single passed high gain Nd:YAG amplifier with serrated aperture were applied to achieve high power.
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