High harmonic attosecond pulse train amplification in a free electron laser

McNeil, B W J and Thompson, N. R. and Dunning, D. J. and Sheehy, B. (2011) High harmonic attosecond pulse train amplification in a free electron laser. Journal of Physics B: Atomic, Molecular and Optical Physics, 44 (6). ISSN 0953-4075

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Abstract

It is shown using three-dimensional simulations that the temporal structure of an attosecond pulse train, such as that generated via high harmonic generation in noble gases, may be retained in a free electron laser amplifier through to saturation using a mode-locked optical klystron configuration. At wavelengths of similar to 12 nm, a train of attosecond pulses of widths similar to 300 as with peak powers in excess of 1 GW are predicted.