Kilowatt-average-power compression of millijoule pulses in a gas-filled multi-pass cell

Abstract

We demonstrate the reliable generation of 1-mJ, 31-fs pulses with an average power of 1 kW by post-compression of 200-fs pulses from a coherently combined Yb:fiber laser system in an argon-filled Herriott-type multi-pass cell with an overall compression efficiency of 96%. We also analyze the output beam, revealing essentially no spatio-spectral couplings or beam quality loss.

References in corpus (2)

• 10.4 kW coherently combined ultrafast fiber laser
• Fiber laser-driven gas plasma-based generation of THz radiation with 50-mW average power

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