Temporal pulse quality of a Yb:YAG burst-mode laser post-compressed in a multi-pass cell

Anne Lise Viotti, Skirmantas Alisauskas, Henrik Tünnermann, Esmerando Escoto, Marcus Seidel, Katharina Dudde, B. Manschwetus, Ingmar Hartl, Christoph M. Heyl

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

Sammanfattning

Nonlinear pulse post-compression represents an efficient method for ultrashort, high-quality laser pulse production. The temporal pulse quality is, however, limited by amplitude and phase modulations intrinsic to post-compression. We here characterize in frequency and time domain with high dynamic range individual post-compressed pulses within laser bursts comprising 100-kHz-rate pulse trains. We spectrally broaden 730 fs, 3.2 mJ pulses from a Yb:YAG laser in a gas-filled multi-pass cell and post-compress them to 56 fs. The pulses exhibit a nearly constant energy content of 78% in the main peak over the burst plateau, which is close to the theoretical limit. Our results demonstrate attractive pulse characteristics, making multi-pass post-compressed lasers very applicable for pump–probe spectroscopy at, e.g., free-electron lasers or as efficient drivers for secondary frequency conversion stages.

Originalspråkengelska
Sidor (från-till)4686-4689
Antal sidor4
TidskriftOptics Letters
Volym46
Nummer18
DOI
StatusPublished - 2021 sep. 15

Bibliografisk information

Publisher Copyright:
© 2021 Optical Society of America

Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.

Ämnesklassifikation (UKÄ)

  • Atom- och molekylfysik och optik

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