Multi-parameter optimization of a loose focusing high flux high-harmonic beamline

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We perform a multi-dimensional parameter scan in the generation of high-order harmonics, with the main purpose to find the macroscopic conditions that optimize the harmonic yield in a specific spectral domain, around 40 eV for this particular case. The scanned parameters are the laser pulse energy, gas pressure, interaction cell position relative to focus and the cell length, while the fixed parameters are chosen to model a loose focusing configuration which is used in many existing laboratories. We performed the simulations with a 3D non-adiabatic model complemented by a detailed analysis of the phase matching mechanisms involved in an efficient harmonic generation. Based on the results we identify a range of parameter combinations that lead to a high yield in the specified spectral domain. The method and results presented here can be the framework for the design and construction of high flux high-order harmonic generation beamlines.


Enheter & grupper
Externa organisationer
  • Technical University of Cluj-Napoca
  • ELI Attosecond Light Pulse Source (ELI-ALPS)
  • University of Szeged

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Atom- och molekylfysik och optik
Sidor (från-till)055402
TidskriftJournal of Physics B: Atomic, Molecular and Optical Physics
Utgåva nummer5
StatusPublished - 2019 mar 14
Peer review utfördJa


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