Dispersion-engineered multi-pass cell for single-stage post-compression of an ytterbium laser
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2023-04-01
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Journal Article
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yes
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Abstract
Post-compression methods for ultrafast laser pulses typically face challenging limitations, including saturation effects and temporal pulse breakup, when large compression factors and broad bandwidths are targeted. To overcome these lim-itations, we exploit direct dispersion control in a gas-filled multi-pass cell, enabling, for the first time to the best of our knowledge, single-stage post-compression of 150 fs pulses and up to 250 mu J pulse energy from an ytterbium (Yb) fiber laser down to sub-20 fs. Dispersion-engineered dielectric cav-ity mirrors are used to achieve nonlinear spectral broadening dominated by self-phase modulation over large compression factors and bandwidths at 98% throughput. Our method opens a route toward single-stage post-compression of Yb lasers into the few-cycle regime.Published by Optica Publishing Group under the terms of the Cre-ative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published arti-cle's title, journal citation, and DOI.
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published
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48 (7)
Pages / Article No.
1842 - 1845
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Optica
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03961 - Signorell, Ruth / Signorell, Ruth
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Is new version of: https://doi.org/10.3929/ethz-b-000583539