Summary form only given. In a previous work, we have reported on point-to-point imaging in a highly scattering medium using type-I parametric amplification in the femtosecond regime. Although high-resolved two-dimensional imaging by type-II parametric amplification has already been shown in the picosecond regime, we demonstrate, in this paper, the feasibility of this method for real-time two-dimensional imaging with 80-fs pulses. Because of the angular acceptance of the crystal, we cannot focus tightly on the crystal, as in the point to point configuration, without degrading the transverse resolution. As the gain decreases in consequence, we choose the type II configuration, allowing us to work with the cross-polarized idler beam and to operate on dark field.


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    Titel :

    Real-time two-dimensional imaging through scattering media using 80-fs-gated parametric amplification


    Beteiligte:
    Doule, C. (Autor:in) / Lepine, T. (Autor:in) / Georges, P. (Autor:in) / Brun, A. (Autor:in)


    Erscheinungsdatum :

    01.01.1999


    Format / Umfang :

    312737 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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