Frequency-resolved optical gating (FROG) is a simple, intuitive, and powerful technique for measuring the amplitude and phase of a single arbitrary ultrashort pulse. A simple experimental setup generates a spectrogram of the pulse. The method of retrieving the complex pulse envelope from the spectrogram is intimately related to the phase-retrieval problem. The generation of the spectrogram requires that we gate the pulse using a nonlinear optical effect such as polarization rotation. Normally, the pulse is split into two replicas and a time-delayed version of the pulse itself serves as the gate pulse. However, it is possible to use a second (arbitrary) pulse to serve as a gate. This enables one to use FROG to measure pulses which are too low in energy to serve as an adequate gate for themselves.<>


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    Titel :

    Measurement of two ultrashort pulses in a single shot: two-pulse frequency-resolved optical gating


    Beteiligte:
    DeLong, K.W. (Autor:in) / Kane, D. (Autor:in) / Trebino, R. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.01.1993


    Format / Umfang :

    147512 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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