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Opt Express. 2008 Oct 27;16(22):17637-46.

Compensation of pulse-distortion in saturated laser amplifiers.

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  • 1Institute of Applied Physics, Friedrich Schiller University Jena, Jena, Germany.


We derive an expression describing pre-compensation of pulse-distortion due to saturation effects in short pulse laser-amplifiers. The analytical solution determines the optimum input pulse-shape required to obtain any arbitrary target pulse-shape at the output of the saturated laser-amplifier. The relation is experimentally verified using an all-fiber amplifier chain that is seeded by a directly modulated laser-diode. The method will prove useful in applications of high power, high energy laser-amplifier systems that need particular pulse-shapes to be efficient, e.g. micromachining and scientific laser-matter-interactions.

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