@article{731bb4fa-afd8-4e5f-aec3-2a67a211b63b,
  abstract     = {{<p>We experimentally study energy scaling properties of gas-filled multipass cell-based nonlinear compression setups by employing increasing azimuthal orders of Laguerre-Gauss LG<sub>0</sub>ℓ modes. First, we analyze the mode conversion from a Gaussian beam to LG<sub>0ℓ</sub> modes using spiral phase plates and spatial low-pass filtering. Then, these beams are sent to a first gas-filled multi-pass cell (MPC) to verify the energy scaling and spatial properties at the output. In a second experiment that allows more nonlinearity, we compare pulse compression conducted with either a Gaussian or an LG<sub>03</sub> beam in terms of energy scaling, output temporal, spatial, spatio-spectral, and spectrally-resolved topological charge properties. The use of this structured beam allows for an increase in the input energy from 50 µJ up to 150 µJ with a final pulse duration of 60 fs, while the other parameters are essentially kept equal.</p>}},
  author       = {{Ierano, Ania and Natile, Michele and Viotti, Anne Lise and Guichard, Florent and Hanna, Marc and Georges, Patrick}},
  issn         = {{1094-4087}},
  language     = {{eng}},
  month        = {{06}},
  number       = {{11}},
  pages        = {{19478--19488}},
  publisher    = {{Optical Society of America}},
  series       = {{Optics Express}},
  title        = {{Energy scaling and propagation properties of Laguerre-Gauss modes in gas-filled multipass cells}},
  url          = {{http://dx.doi.org/10.1364/OE.597143}},
  doi          = {{10.1364/OE.597143}},
  volume       = {{34}},
  year         = {{2026}},
}