Observation of a Train of Attosecond Pulses from High Harmonic Generation-Reference-Cited by-同舟云学术

Observation of a Train of Attosecond Pulses from High Harmonic Generation

Published:2001-06 Issue:5522 Volume:292 Page:1689-1692
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Paul P. M.¹,Toma E. S.²,Breger P.¹,Mullot G.³,Augé F.³,Balcou Ph.³,Muller H. G.²,Agostini P.¹

Affiliation:

1. Commissariat à l'Energie Atomique DRECAM/SPAM, Centre d'Etudes de Saclay, 91191 Gif-sur-Yvette, France.

2. FOM–Institute for Atomic and Molecular Physics, Kruislaan 407, 1098 SJ, Amsterdam, Netherlands.

3. Laboratoire d'Optique Appliquée,École Nationale Supérieure de Techniques Avancées (ENSTA)–Ecole Polytechnique, CNRS UMR 7639, 91761 Palaiseau Cedex, France.

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.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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