Summary form only given. Stimulated Raman scattering (SRS) in gases is a versatile method for frequency conversion of femto- and picosecond pulses in the broad spectral range from UV to near IR. Previously we have shown that in single component gases such as H/sub 2/, D/sub 2/, HD and CH/sub 4/, in the transient excitation regime, SRS can result in efficient conversion of 400 nm pulses into a set of Stokes- and anti-Stokes components, defined by the molecule's vibrational and rotational frequencies. In this paper we observe transient SRS at combinational frequencies in dual mixtures of Raman-active molecules, such as H/sub 2/-D/sub 2/, H/sub 2/-HD, H/sub 2/-CH/sub 4/ and D/sub 2/-HD. This allows us to extend the range of the new frequencies, by including shifts v=iv/sub 1/+jv/sub 2/ (i,j=0, /spl plusmn/1, /spl plusmn/2, ...), where v/sub 1/ and v/sub 2/ are the Raman frequencies of the first and the second molecule.


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    Titel :

    Femtosecond and picosecond stimulated Raman scattering in gas mixtures


    Beteiligte:
    Krylov, V. (Autor:in) / Fischer, I. (Autor:in) / Wild, U. (Autor:in) / Bespalov, V.G. (Autor:in) / Staselko, D.I. (Autor:in) / Rebane, A. (Autor:in)


    Erscheinungsdatum :

    01.01.1999


    Format / Umfang :

    297382 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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