4.6 Article

Regenerative thin disk amplifier with combined gain spectra producing 500 μJ sub 200 fs pulses

Journal

OPTICS EXPRESS
Volume 17, Issue 10, Pages 8046-8050

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.17.008046

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Funding

  1. German Federal Ministry of Education and Research [13N8722]

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An Yb:KYW femtosecond regenerative amplifier with combination of two gain spectra from a single thin disk is presented. The amplifier generated an average power of 10 W after compression at a repetition rate of 20 kHz resulting in a pulse energy of 500 mu J. A bandwidth of 18.6 nm at -20 dB allowed a compression to nearly Fourier-limited pulses with a duration of 185 fs resulting in a peak power of 2.7 GW. (C) 2009 Optical Society of America

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