28 February 2014 Femtosecond Innoslab amplifier with 300W average power and pulse energies in the mJ-regime
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We demonstrate a femtosecond Yb:YAG InnoSlab laser amplifier producing <3mJ pulse energy at 100kHz pulse repetition rate. The minimal pulse duration is <1ps resulting in pulse powers <3GW. High energy and high average power could be obtained with the use of chirped pulse amplification on the power amplifier end. The laser setup consists of a seed laser with 10mW average power at pulse repetition rates of 100kHz to 1MHz, a pre-amplifier stage, a highpower InnoSlab-amplifier stage and a grating based pulse compressor. This laser source is suited for pumping of OPCPA setups und parallelisation of applications in materials processing.
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T. Mans, T. Mans, R. Graf, R. Graf, J. Dolkemeyer, J. Dolkemeyer, C. Schnitzler, C. Schnitzler, "Femtosecond Innoslab amplifier with 300W average power and pulse energies in the mJ-regime", Proc. SPIE 8959, Solid State Lasers XXIII: Technology and Devices, 895916 (28 February 2014); doi: 10.1117/12.2039449; https://doi.org/10.1117/12.2039449


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