Abstract
A hybrid laser source with a profiled laser pulse shape is presented. It is designed with a fiber pulse shaping system and a two-stage solid-state amplifier based on two gain modules with pulsed transverse diode pumping. The ability to control the pulse shape of the hybrid laser source pulse is demonstrated, and rectangular and stepped pulse shapes with a radiation wavelength of 1064.15 nm, duration of 20 ns, repetition rate of 2 Hz, and output energy of 1 J are obtained. The resulting shapes are achieved by controlling the temporal shape of the pulses of the master oscillator to compensate for the effect of gain saturation in solid-state amplifiers. The dynamics of the pulse shape evolution as a function of the electrical pump energy in the gain modules is traced.
Published Version
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