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Journal Articles Science Year : 2001

Observation of a Train of Attosecond Pulses from High Harmonic Generation

Abstract

In principle, the temporal beating of superposed high harmonics obtained by focusing a femtosecond laser pulse in a gas jet can produce a train of very short intensity spikes, depending on the relative phases of the harmonics. We present a method to measure such phases through two-photon, two-color photoionization. We found that the harmonics are locked in phase and form a train of 250-attosecond pulses in the time domain. Harmonic generation may be a promising source for attosecond time-resolved measurements.
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Dates and versions

hal-00523494 , version 1 (05-10-2010)

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P. M. Paul, E. S. Toma, P. Breger, Genevive Mullot, Frederika Auge-Rochereau, et al.. Observation of a Train of Attosecond Pulses from High Harmonic Generation. Science, 2001, 292 (5522), pp.1689 - 1692. ⟨10.1126/science.1059413⟩. ⟨hal-00523494⟩
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