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

K. Kovács, B. Major, E. Balogh, Cs P. Korös, P. Rudawski, C. M. Heyl, P. Johnsson, C. L. Arnold, A. L'Huillier, V. Tosa, K. Varjú

Research output: Contribution to journalArticle

Abstract

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.

Original languageEnglish
Article number055402
JournalJournal of Physics B: Atomic, Molecular and Optical Physics
Volume52
Issue number5
DOIs
Publication statusPublished - Feb 8 2019

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harmonics
optimization
harmonic generations
phase matching
cells
gas pressure
configurations
pulses
lasers
simulation
interactions
energy

Keywords

  • Extreme-ultraviolet (XUV) flux
  • High-order harmonic generation
  • Multi-dimensional parameter scan
  • Numerical simulation
  • Optimization

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

Cite this

Multi-parameter optimization of a loose focusing high flux high-harmonic beamline. / Kovács, K.; Major, B.; Balogh, E.; Korös, Cs P.; Rudawski, P.; Heyl, C. M.; Johnsson, P.; Arnold, C. L.; L'Huillier, A.; Tosa, V.; Varjú, K.

In: Journal of Physics B: Atomic, Molecular and Optical Physics, Vol. 52, No. 5, 055402, 08.02.2019.

Research output: Contribution to journalArticle

Kovács, K, Major, B, Balogh, E, Korös, CP, Rudawski, P, Heyl, CM, Johnsson, P, Arnold, CL, L'Huillier, A, Tosa, V & Varjú, K 2019, 'Multi-parameter optimization of a loose focusing high flux high-harmonic beamline', Journal of Physics B: Atomic, Molecular and Optical Physics, vol. 52, no. 5, 055402. https://doi.org/10.1088/1361-6455/aaff7f
Kovács, K. ; Major, B. ; Balogh, E. ; Korös, Cs P. ; Rudawski, P. ; Heyl, C. M. ; Johnsson, P. ; Arnold, C. L. ; L'Huillier, A. ; Tosa, V. ; Varjú, K. / Multi-parameter optimization of a loose focusing high flux high-harmonic beamline. In: Journal of Physics B: Atomic, Molecular and Optical Physics. 2019 ; Vol. 52, No. 5.
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