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  • Fine interference fringes formed in high-order harmonic spectra generated by infrared driving laser pulses

    Author(s)
    Xu, Han
    Xiong, Hui
    Zeng, Zhinan
    Fu, Yuxi
    Yao, Jinping
    Li, Ruxin
    Cheng, Ya
    Xu, Zhizhan
    Griffith University Author(s)
    Xu, Han
    Year published
    2008
    Metadata
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    Abstract
    We experimentally investigate the high-order harmonic generation in argon gas using a driving laser pulse at a center wavelength of 1240 nm. High-contrast fine interference fringes could be observed in the harmonic spectra near the propagation axis, which is attributed to the interference between long and short quantum paths. We also systematically examine the variation of the interference fringe pattern with increasing energy of the driving pulse and with different phase-matching conditions.We experimentally investigate the high-order harmonic generation in argon gas using a driving laser pulse at a center wavelength of 1240 nm. High-contrast fine interference fringes could be observed in the harmonic spectra near the propagation axis, which is attributed to the interference between long and short quantum paths. We also systematically examine the variation of the interference fringe pattern with increasing energy of the driving pulse and with different phase-matching conditions.
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    Journal Title
    Physical Review A
    Volume
    78
    Issue
    3
    DOI
    https://doi.org/10.1103/PhysRevA.78.033841
    Subject
    Atomic and Molecular Physics
    Nonlinear Optics and Spectroscopy
    Mathematical Sciences
    Physical Sciences
    Chemical Sciences
    Publication URI
    http://hdl.handle.net/10072/42824
    Collection
    • Journal articles

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