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Phys. Rev. Lett. 77, 1234–1237 (1996)

Attosecond Pulse Trains Using High–Order Harmonics

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Philippe Antoine1,3, Anne L'Huillier2, and Maciej Lewenstein1
1Commissariat à l'Energie Atomique, DSM/DRECAM/SPAM, Centre d'Etudes de Saclay, 91191 Gif-sur-Yvette, France
2Department of Physics, Lund Institute of Technology, S-221 00 Lund, Sweden
3Laboratoire de Physique Atomique et Moléculaire, Chemin du Cyclotron, Université Catholique de Louvain, 2 B-1348 Louvain-la-Neuve, Belgium

Received 8 March 1996; published in the issue dated 12 August 1996

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.

© 1996 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.77.1234
DOI:
10.1103/PhysRevLett.77.1234
PACS:
32.80.Rm, 42.65.Ky
 
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