7 March 2014 Analysis of divided-pulse amplification for high-energy extraction
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Divided-pulse amplification employing passive coherent beam combining implementations causes a strong degradation in efficiency. In this contribution typical implementations are analyzed and a solution using an active stabilization system is presented. With this 380 fs pulses at 1.25 mJ corresponding to a peak power of 2.9 GW have been achieved demonstrating the potential of this approach.
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Marco Kienel, Marco Kienel, Arno Klenke, Arno Klenke, Steffen Hädrich, Steffen Hädrich, Tino Eidam, Tino Eidam, Jens Limpert, Jens Limpert, Andreas Tünnermann, Andreas Tünnermann, "Analysis of divided-pulse amplification for high-energy extraction", Proc. SPIE 8961, Fiber Lasers XI: Technology, Systems, and Applications, 89610M (7 March 2014); doi: 10.1117/12.2039383; https://doi.org/10.1117/12.2039383

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