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Sökning: WFRF:(Johnsson E) > Konferensbidrag

  • Resultat 1-10 av 45
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  • Zaïr, A., et al. (författare)
  • Confinement of attosecond train pulses by using a modulated polarization IR pulse
  • 2005
  • Ingår i: 2005 Conference on Lasers and Electro-Optics Europe. - 0780389743 - 9780780389748
  • Konferensbidrag (refereegranskat)abstract
    • We study the temporal and spectral behaviour of high order harmonics generated by pulses with temporally modulated polarization. We observe a harmonic temporal confinement and a harmonic spectral broadening, compatible with 1 -or-2 attosecond pulse emission.
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  • Arnold, C. L., et al. (författare)
  • Stabilized interferometric attosecond timing measurements
  • 2013
  • Ingår i: CLEO : QELS_Fundamental Science, CLEO:QELS FS 2013 - QELS_Fundamental Science, CLEO:QELS FS 2013. - 9781557529725
  • Konferensbidrag (refereegranskat)abstract
    • We perform interferometric attosecond timing measurements to study XUV photoionization in noble gases, to diagnose macroscopic phase-matching conditions in high-order harmonic generation, and to investigate single-photon double-ionization by detecting electron pairs in coincidence.
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  • Iablonskyi, D., et al. (författare)
  • Interatomic Coulombic Decay Processes after Multiple Valence Excitations in Ne Clusters
  • 2015
  • Ingår i: Journal of Physics: Conference Series. - : IOP Publishing. - 1742-6596 .- 1742-6588. ; 635, s. 112067-112067
  • Konferensbidrag (refereegranskat)abstract
    • We present a comprehensive analysis of autoionization processes in Ne clusters (similar to 5000 atoms) after multiple valence excitations by free electron laser radiation. The evolution from 2-body interatomic Coulombic decay (ICD) to 3-body ICD is demonstrated when changing from surface to bulk Frenkel exciton excitation. Super Coster-Kronig type 2-body ICD is observed at Wannier exciton which quenches the main ICD channel.
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  • Veyrinas, K., et al. (författare)
  • High order harmonic generation with spatially shaped flat top driver to control XUV chromatic aberrations
  • 2023
  • Ingår i: 2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023. - 9798350345995
  • Konferensbidrag (refereegranskat)abstract
    • The XUV beams generated via high order harmonic generation (HHG) in gases have spatial properties evolving with the harmonic order. It leads to chromatic aberrations when the harmonics are focussed so that, locally, the spectral content can change significantly during propagation [1-3] especially near focus.
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  • Andersen, J., et al. (författare)
  • The soft X-ray laser project at MAX IV
  • 2017
  • Ingår i: IPAC 2017 - Proceedings of the 8th International Particle Accelerator Conference. - : Joint Accelerator Conferences Website - JACoW. - 9783954501823 ; , s. 2760-2762
  • Konferensbidrag (refereegranskat)abstract
    • A Soft X-ray Laser (SXL) beamline utilising FEL technology is being designed for the Short Pulse Facility (SPF) at the MAX IV Laboratory. A conceptual design study has been started following on the scientific case already prepared in collaboration between several Swedish Universities and driven by a strong (Swedish) user demand. The baseline goal of the SXL beamline is to generate intense and short pulses in the range 1-5 nm (0.2-1 keV). The system is building on the MAX IV linac system, already today providing 100 fs 3 GeV and pulses compressed to 100 fs for other applications within the SPF. As a special feature we foresee a variety of pump-probe capabilities. 
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  • Resultat 1-10 av 45

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