Amplification of a train of attosecond pulses in active medium of a plasma-based x-ray laser dressed by an optical laser field
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2018 IEEE. In the present contribution we discuss a possibility to amplify a train of attosecond x-ray pulses produced via HHG of an optical laser fieldin active medium of plasma-based x-ray laser dressed by a replica of the laser field used for generation of harmonics. In particular, amplification of attosecond pulses by two orders of magnitude in "water window" is shown.