Attosecond Pulse Trains Using High–Order Harmonics
Philippe AntoineCommissariat à l'Energie Atomique, DSM/DRECAM/SPAM, Centre d'Etudes de Saclay, 91191 Gif-sur-Yvette, FranceA. L’HuillierDepartment of Physics, Lund Institute of Technology, S-221 00 Lund, SwedenMaciej LewensteinCommissariat à l'Energie Atomique, DSM/DRECAM/SPAM, Centre d'Etudes de Saclay, 91191 Gif-sur-Yvette, France
1996en
ABI
Annotatsiya
We demonstrate that high-order harmonics generated by an atom in intense laser field form trains of ultrashort pulses corresponding to different trajectories of electrons that tunnel out of the atom and recombine. Propagation in an atomic jet allows us to select one of these trajectories, leading to a train of pulses of extremely short duration.
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