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Träfflista för sökning "WFRF:(Louisy Maite) srt2:(2015)"

Sökning: WFRF:(Louisy Maite) > (2015)

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1.
  • Jimenez-Galan, A., et al. (författare)
  • Phase Measurement of a Fano Resonance Using Tunable Attosecond Pulses
  • 2015
  • Ingår i: Journal of Physics: Conference Series. - : IOP Publishing. - 1742-6588 .- 1742-6596. ; 635, s. 092137-092137
  • Konferensbidrag (refereegranskat)abstract
    • We study photoionization of argon atoms close to the 3s(2)3p(6) -> 3s(1)3p(6)4p Fano resonance using an attosecond pulse train and a weak infrared probe field. An interferometric technique combined with tunable attosecond pulses allows us to determine the phase of the photoionization amplitude as a function of photon energy. We interpret the experimental results using an analytical two-photon model based on the Fano formalism and obtain quantitative agreement.
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2.
  • Louisy, Maite, et al. (författare)
  • Gating attosecond pulses in a noncollinear geometry
  • 2015
  • Ingår i: Optica. - 2334-2536. ; 2:6, s. 563-566
  • Tidskriftsartikel (refereegranskat)abstract
    • The efficient generation of isolated attosecond pulses (IAPs), giving access to ultrafast electron dynamics in various systems, is a key challenge in attosecond science. IAPs can be produced by confining the extreme ultraviolet emission generated by an intense laser pulse to a single field half-cycle or, as shown recently, by employing angular streaking methods. Here, we experimentally demonstrate the angular streaking of attosecond pulse trains in a noncollinear geometry, leading to the emission of angularly separated IAPs. The noncollinear geometry simplifies the separation of the fundamental laser field and the generated pulses, making this scheme promising for intracavity attosecond pulse generation, thus opening new possibilities for high-repetition-rate attosecond sources. (C) 2015 Optical Society of America
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