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Attosecond pulse trains generated using two color laser fields

Publiceringsår: 2006
Språk: Engelska
Publikation/Tidskrift/Serie: Physical Review Letters
Volym: 97
Nummer: 1
Dokumenttyp: Artikel i tidskrift
Förlag: American Physical Society


We investigate the spectral and temporal structure of high harmonic emission from argon exposed to an infrared laser field and its second harmonic. For a wide range of generating conditions, trains of attosecond pulses with only one pulse per infrared cycle are generated. The synchronization necessary for producing such trains ensures that they have a stable pulse-to-pulse carrier envelope phase, unlike trains generated from one color fields, which have two pulses per cycle and a pi phase shift between consecutive pulses. Our experiment extends the generation of phase stabilized few cycle pulses to the extreme ultraviolet regime.


  • Atom and Molecular Physics and Optics


  • ISSN: 1079-7114

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