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Proceedings Paper

Direct temporal characterization of attosecond pulse trains
Author(s): Toshihiko Shimizu; Tomoya Okino; Kaoru Yamanouchi; Yasuo Nabekawa; Katsumi Midorikawa
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Paper Abstract

We report the direct observation of a train of attosecond pulses by mean of autocorrelation method using nonresonant two photon processes in atoms and molecules in the xuv region. By analyzing the photoelectron spectra produced by two-photon above-threshold ionization in Ar, the chirp in the attosecond pulse train on the top of the pulse duration of 450 atttoseconds was determined. We also succeeded in observing interferometric fringes on the autocorrelation trace and reconstructed the electric field inside of attosecond pulses with ion signals produced by molecular Coulomb explosion.

Paper Details

Date Published: 13 March 2007
PDF: 8 pages
Proc. SPIE 6460, Commercial and Biomedical Applications of Ultrafast Lasers VII, 64600Q (13 March 2007); doi: 10.1117/12.716783
Show Author Affiliations
Toshihiko Shimizu, RIKEN (Japan)
Tomoya Okino, The Univ. of Tokyo (Japan)
Kaoru Yamanouchi, The Univ. of Tokyo (Japan)
Yasuo Nabekawa, RIKEN (Japan)
Katsumi Midorikawa, RIKEN (Japan)


Published in SPIE Proceedings Vol. 6460:
Commercial and Biomedical Applications of Ultrafast Lasers VII
Joseph Neev; Stefan Nolte; Alexander Heisterkamp; Christopher B. Schaffer, Editor(s)

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