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Updated: May 13, 2026
20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
Published on: July 12, 2017
Yb:YAG single crystal fiber power amplifier for femtosecond sources
Xavier Délen1, Yoann Zaouter, Igor Martial
1Laboratoire Charles Fabry, Institut d’Optique, CNRS, Université Paris Sud, Palaiseau, France. xavier.delen@institutoptique.fr
Abstract:
We demonstrate a versatile femtosecond power amplifier using a Yb:YAG single crystal fiber operating from 10 kHz to 10 MHz. For a total pump power of 75 W, up to 30 W is generated from the double-pass power amplifier. At a repetition rate of 10 kHz, an output energy of 1 mJ is obtained after recompression. In this configuration, the pulse duration is 380 fs, corresponding to a peak power of 2.2 GW. The M2 beam quality factor is better than 1.1 for investigated parameters.
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