In this paper we have proposed a new excitation method to demonstrate a practical Ar/sub 2/* laser using a high intensity ultrashort pulse laser. A high intensity laser produced electrons will be utilized to initiate the Ar/sub 2/* production kinetics. We have observed a nonlinear increase of the Ar/sub 2/* emission intensity at 126 nm by changing the hollow fiber length. A small signal gain of 0.05 cm/sup -1/ was evaluated at 126 nm. Kinetic analysis revealed that the high intensity laser produced electrons via optical field ionization process actually initiated the Ar/sub 2/* production processes. This result is the first observation of the gain at 126 nm pumped by a compact device other than electron beam machine and will lead to the stimulated emission at 126 nm with a repetition rate of 10 Hz.


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    Titel :

    Gain observation of the argon excimer at 126 nm by use of an ultrashort high intensity laser pulse propagating in a hollow fiber


    Beteiligte:
    Kubodera, S. (Autor:in) / Kaku, M. (Autor:in) / Higashiguchi, T. (Autor:in) / Sasaki, W. (Autor:in)


    Erscheinungsdatum :

    01.01.2003


    Format / Umfang :

    79298 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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