We describe measurements of single-cycle terahertz pulse propagation in a random medium. The unique capabilities of terahertz time-domain spectroscopy permit the characterization of a multiply scattered field with unprecedented temporal resolution. With these results, we can develop a framework for understanding the statistics of broadband laser speckle. We also describe recent measurements of the polarization dynamics of these diffusively propagating waves. In the diffusive regime, we observe a spectral shift between orthogonal polarization components. This is a result of the strong frequency-dependence of the mean free path within the bandwidth of the THz pulses.


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    Titel :

    Multiply scattered broadband terahertz pulses


    Beteiligte:
    Pearce, J. (Autor:in) / Zhongping Jian, (Autor:in) / Mittleman, D.M. (Autor:in)


    Erscheinungsdatum :

    01.01.2004


    Format / Umfang :

    155978 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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