Powerful coherent terahertz (THz) pulse with a broad spectrum (0.5-3 THz) can be produced from a laser-driven wakefield through linear mode conversion in inhomogeneous magnetized plasmas with maximum plasma density of 1017 cm3. The external dc magnetic field is a few tesla (T). Such wakefield emission can be a powerful THz source at MW level and capable of affording field strength of a few MV/cm, suitable for THz nonlinear physics. These THz emissions are always with a positive chirp, through a proper dispersion compression, a single-cycle THz pulse with higher peak field strength can be generated.


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    Titel :

    Powerful THz Emission from Laser Wakefields in Inhomogeneous Magnetized Plasmas


    Beteiligte:
    Wu, Hui-Chun (Autor:in) / Sheng, Zheng-Ming (Autor:in) / Zhang, Jie (Autor:in)


    Erscheinungsdatum :

    01.09.2006


    Format / Umfang :

    1259003 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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