Trivalent ytterbium has been shown to have favorable properties over trivalent neodymium as a 1 /spl mu/m laser source when pumped at 940 or 968 nanometers. These properties include a broader absorption band, a longer fluorescence lifetime and smaller photon decrement between the pump beam and the Yb/sup 3+/ laser emission. An additional feature of the ytterbium ion is a broader fluorescence linewidth (compared to Nd/sup 3+/:YAG) which allows for tunable performance and flexibility in the selection of an output wavelength. The simple energy level scheme of Yb/sup 3+/ makes it useful for resonant pumping without the inherent problems of excited state absorption and upconversion processes. In the paper the authors report on the performance of Yb:YAG and Yb:GSGG with CW pumping.


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    Titel :

    Tunable ytterbium lasers


    Beteiligte:
    Allen, R. (Autor:in) / Esterowitz, L. (Autor:in) / Fan, T.Y. (Autor:in)

    Erschienen in:

    Proceedings of LEOS'94 ; 2 ; 421-422 vol.2


    Erscheinungsdatum :

    01.01.1994


    Format / Umfang :

    92948 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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