In this paper, we present, for the first time, clear evidence of reaching the nonlinear regime of Raman Backscattering (RBS) amplification with pulse intensity amplification exciting 1000 in 2 mm long plasma and exciting pump intensity by more than order of magnitude. We have demonstrated energy amplification of up to /spl sim/5000 for a seed with a low input energy (<0.2 pJ) and up to /spl sim/60 for a seed with high input energy (7.5 pJ). The output energy grew exponentially when the input was low and the gain indicated "saturation" when the input was high.


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    Titel :

    Reaching nonlinear regime in Raman amplification of ultrashort laser pulses


    Beteiligte:
    Cheng, W. (Autor:in) / Avitzour, Y. (Autor:in) / Ping, Y. (Autor:in) / Suckewer, S. (Autor:in) / Fisch, N.J. (Autor:in) / Hur, M.S. (Autor:in) / Wurtele, J.S. (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    1803975 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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