An XUV-FEL amplifier seeded using high harmonic generation

B. W J McNeil, J. A. Clarke, D. J. Dunning, G. J. Hirst, H. L. Owen, N. R. Thompson, B. Sheeny, P. H. Williams

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    A detailed design of a free electron laser (FEL) amplifier operating in the extreme ultra violet (XUV) and seeded directly by a high harmonic source is presented. The design is part of the 4th generation light source (4GLS) facility proposed for the Daresbury Laboratory in the UK which will offer users a suite of high brightness synchronised sources from THz frequencies into the XUV. The XUV-FEL will generate photons with tunable energies from 8 to 100 eV at giga-watt peak power levels in near Fourier-transform limited pulses of variable polarisation. The designs of the high harmonic generation (HHG) seeding, FEL amplifier and synchronising systems are presented. Numerical simulations quantify the FEL output characteristics. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.
    Original languageEnglish
    Article number82
    JournalNew Journal of Physics
    Publication statusPublished - 3 Apr 2007


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