375-W 37.5-µJ less than 170 fs laser system utilizing nonlinear pulse compression in fused silica

Jan Schulte; Thomas Sartorius; Johannes Weitenberg; Andreas Vernaleken; Peter Russbueldt

doi:10.1117/12.2250920

17 February 2017 375-W 37.5-μJ less than 170 fs laser system utilizing nonlinear pulse compression in fused silica

Jan Schulte, Thomas Sartorius, Johannes Weitenberg, Andreas Vernaleken, Peter Russbueldt

Proceedings Volume 10082, Solid State Lasers XXVI: Technology and Devices; 1008217 (2017) https://doi.org/10.1117/12.2250920
Event: SPIE LASE, 2017, San Francisco, California, United States

Abstract

We present a novel, robust and efficient scheme for nonlinear pulse compression at highest average powers, which is based on self-phase modulation in a bulk nonlinear medium placed inside a multi-pass-cell (MPC). The scheme is suitable for the compression of sub-ps pulses with peak powers exceeding the threshold for catastrophic self-focusing of the nonlinear medium. Experimentally, we compress the output pulses from an Yb:YAG-Innoslab amplifier from 850 fs to <170 fs at 375 W of output power, 37.5 μJ pulse energy and almost diffraction-limited beam quality using fused silica as the nonlinear medium. The efficiency of the compression unit exceeds 90%.

Conference Presentation

Citation Download Citation

Jan Schulte, Thomas Sartorius, Johannes Weitenberg, Andreas Vernaleken, and Peter Russbueldt "375-W 37.5-μJ less than 170 fs laser system utilizing nonlinear pulse compression in fused silica", Proc. SPIE 10082, Solid State Lasers XXVI: Technology and Devices, 1008217 (17 February 2017); https://doi.org/10.1117/12.2250920

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