Efficient nonlinear compression of a thin-disk oscillator to 8.5 fs at 55 W average power

We demonstrate an efficient hybrid-scheme for nonlinear pulse compression of high-power thin-disk oscillator pulses to the sub-10 fs regime. The output of a home-built, 16 MHz, 84 W, 220 fs Yb:YAG thin-disk oscillator at 1030 nm is first compressed to 17 fs in two nonlinear multipass cells. In a thi...

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Bibliographic Details
Published in:Optics letters 2021-11, Vol.46 (21), p.5304-5307
Main Authors: Barbiero, Gaia, Wang, Haochuan, Graßl, Martin, Gröbmeyer, Sebastian, Kimbaras, Džiugas, Neuhaus, Marcel, Pervak, Vladimir, Nubbemeyer, Thomas, Fattahi, Hanieh, Kling, Matthias F.
Format: Article
Language:English
Subjects:
Pulse compression
Sapphire
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Summary:We demonstrate an efficient hybrid-scheme for nonlinear pulse compression of high-power thin-disk oscillator pulses to the sub-10 fs regime. The output of a home-built, 16 MHz, 84 W, 220 fs Yb:YAG thin-disk oscillator at 1030 nm is first compressed to 17 fs in two nonlinear multipass cells. In a third stage, based on multiple thin sapphire plates, further compression to 8.5 fs with 55 W output power and an overall optical efficiency of 65% is achieved. Ultrabroadband mid-infrared pulses covering the spectral range 2.4- 8 µ m were generated from these compressed pulses by intra-pulse difference frequency generation.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.440303