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A 325-W-average-power fiber CPA system delivering Sub-400 fs pulses

: Eidam, T.; Hädrich, S.; Röser, F.; Seise, E.; Gottschall, T.; Rothhardt, J.; Schreiber, T.; Limpert, J.; Tünnermann, A.


IEEE Journal of Selected Topics in Quantum Electronics 15 (2009), Nr.1, S.187-190
ISSN: 1077-260X
Fraunhofer IOF ()

A high-average-power Yb-doped fiber chirped-pulse amplification system is presented. Compressed average power of 325 W at 40 MHz repetition rate corresponding to 8.2 mu J pulse energy is extracted. Compression in a highly efficient dielectric-grating-based compressor yields pulses as short as 375 fs, resulting in 22 MW of peak power.