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Search: WFRF:(Seidel Marcus) > (2022)

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1.
  • Heyl, Christoph M., et al. (author)
  • High-energy bow tie multi-pass cells for nonlinear spectral broadening applications
  • 2022
  • In: JPhys Photonics. - : IOP Publishing. - 2515-7647. ; 4:1
  • Journal article (peer-reviewed)abstract
    • Multi-pass cells (MPCs) have emerged as very attractive tools for spectral broadening and post-compression applications. We discuss pulse energy limitations of standard MPCs considering basic geometrical scaling principles and introduce a novel energy scaling method using a MPC arranged in a bow tie geometry. Employing nonlinear pulse propagation simulations, we numerically demonstrate the compression of 125 mJ, 1 ps pulses to 50 fs using a compact 2 m long setup and outline routes to extend our approach into the Joule-regime.
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2.
  • Heyl, Christoph M., et al. (author)
  • Pulse energy scaling of multi-pass cells for nonlinear spectral broadening applications
  • 2022
  • In: CLEO : Science and Innovations, S and I 2022 - Science and Innovations, S and I 2022. - 9781557528209
  • Conference paper (peer-reviewed)abstract
    • We discuss basic pulse energy scaling principles for multi-pass cells (MPCs) and introduce a novel multi-pass cell type which we employ to numerically predictpost-compression of 125 mJ pulses using a 2 m setup.
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3.
  • Raab, Ann Kathrin, et al. (author)
  • Multi-gigawatt peak power post-compression in a bulk multi-pass cell at a high repetition rate
  • 2022
  • In: Optics Letters. - 0146-9592. ; 47:19, s. 5084-5087
  • Journal article (peer-reviewed)abstract
    • The output of a 200 kHz, 34 W, 300 fs ytterbium amplifier is compressed to 31 fs with >88% efficiency to reach a peak power of 2.5 GW, which to date is a record for a single-stage bulk multi-pass cell. Despite operation 80 times above the critical power for self-focusing in bulk material, the setup demonstrates excellent preservation of the input beam quality. Extensive beam and pulse characterizations are performed to show that the compressed pulses are promising drivers for high harmonic generation and nonlinear optics in gases or solids.
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4.
  • Viotti, Anne Lise, et al. (author)
  • Multi-pass cells for post-compression of ultrashort laser pulses
  • 2022
  • In: Optica. - 2334-2536. ; 9:2, s. 197-216
  • Journal article (peer-reviewed)abstract
    • Ultrafast lasers reaching extremely high powers within short fractions of time enable a plethora of applications. They grant advanced material processing capabilities, are effective drivers for secondary photon and particle sources, and reveal extreme light-matter interactions. They also supply platforms for compact accelerator technologies, with great application prospects for tumor therapy or medical diagnostics. Many of these scientific cases benefit from sources with higher average and peak powers. Following mode-locked dye and titanium-doped sapphire lasers, broadband optical parametric amplifiers have emerged as high peak- and average power ultrashort pulse lasers.Amuch more powerefficient alternative is provided by direct post-compression of high-power diode-pumped ytterbium lasers-a route that advanced to another level with the invention of a novel spectral broadening approach, the multi-pass cell technique. The method has enabled benchmark results yielding sub-50-fs pules at average powers exceeding 1 kW, has facilitated femtosecond post-compression at pulse energies above 100 mJ with large compression ratios, and supports picosecond to few-cycle pulses with compact setups. The striking progress of the technique in the past five years puts light sources with tens to hundreds of TW peak and multiple kW of average power in sight-an entirely new parameter regime for ultrafast lasers. In this review, we introduce the underlying concepts and give brief guidelines for multi-pass cell design and implementation. We then present an overview of the achieved performances with both bulk and gas-filled multipass cells.Moreover, we discuss prospective advances enabled by this method, in particular including opportunities for applications demanding ultrahigh peak-power, high repetition rate lasers such as plasma accelerators and laser-driven extreme ultraviolet sources.
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  • Result 1-4 of 4

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