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135 W, 0.5 mJ, sub-30 fs pulses obtained by nonlinear compression of coherently combined fiber CPA

: Hädrich, S.


Optical Society of America -OSA-, Washington/D.C.:
Advanced Solid State Lasers, ASSL 2013 : October 27, 2013 - November 1, 2013, Paris, France
Washington, DC: OSA, 2013 (OSA Technical digest series)
ISBN: 978-1-55752-982-4
Paper AW2A.7
Conference "Advanced Solid State Lasers" (ASSL) <2013, Paris>
Fraunhofer IOF ()

Coherent combination of multiple fiber amplifiers in a chirped-pulse-amplification system allows achieving mJ-class femtosecond pulses at unprecedented repetition rates. These pulses are used for post-compression in a noble-gas-filled hollow-core fiber. Sub-30 fs pulses with energies of up to 540 J and a peak power of more than 11 GW at a repetition rate of 250 kHz (135 W) are achieved. Such laser systems could boost the achievable photon flux in highharmonic generation and potentially foster novel experiments in multi-dimensional surfacescience studies as well as coherent soft x-ray generation.