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  • Dynamic field-free orientation of polar molecules by intense two-color femtosecond laser pulses

    Author(s)
    Litvinyuk, IV
    De, S
    Ray, D
    Johnson, NG
    Bocharova, I
    Magrakvelidze, M
    Anis, F
    Esry, BD
    Cocke, L
    Znakovskaya, I
    Kling, MF
    Griffith University Author(s)
    Litvinyuk, Igor
    Year published
    2009
    Metadata
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    Abstract
    We present the first experimental observation of dynamic field-free orientation of a heteronuclear molecule (CO) induced by intense two color (800 and 400 nm) femtosecond laser pulses. We have used the two color pulse as pump to orient the molecules and a more intense 800 nm pulse as probe to measure the angular distributions. In addition to dynamic alignment seen in time dependence of <cos2?>, we observe clear orientation in <cos?> traces, which revives with the rotational period and can be reversed by changing the relative phase of the two colors. We studied the dependence of degree of orientation on the pump pulse ...
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    We present the first experimental observation of dynamic field-free orientation of a heteronuclear molecule (CO) induced by intense two color (800 and 400 nm) femtosecond laser pulses. We have used the two color pulse as pump to orient the molecules and a more intense 800 nm pulse as probe to measure the angular distributions. In addition to dynamic alignment seen in time dependence of <cos2?>, we observe clear orientation in <cos?> traces, which revives with the rotational period and can be reversed by changing the relative phase of the two colors. We studied the dependence of degree of orientation on the pump pulse intensity, and compared the results with theoretical calculations.
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    Conference Title
    Journal of Physics: Conference Series
    Volume
    194
    Issue
    3
    DOI
    https://doi.org/10.1088/1742-6596/194/3/032013
    Subject
    Atomic and Molecular Physics
    Atomic, Molecular, Nuclear, Particle and Plasma Physics
    Condensed Matter Physics
    Other Physical Sciences
    Publication URI
    http://hdl.handle.net/10072/32959
    Collection
    • Conference outputs

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