Abstract We report on recent progress achieved in x-ray laser research at the Institute of Applied Physics of the University of Bern. Using the existing Nd:glass CPA (chirped-pulse amplification) laser system and the grazing-incidence pumping (GRIP) scheme, saturated x-ray lasing has been obtained on the 4d → 4p, J = 0-1 lines of Sn and Sb at wavelengths of 11.9 and 11.4 nm, respectively, using pumping energies of only 2 J (Sn) and 2.5 J (Sb). The experiments on Sn were done with 2-ps duration pump pulses, while for the Sb experiments the pulse duration was 7 ps. In both cases, multi-microjoule output was measured for a grazing angle of 45° using a grazing-incidence prepulse of the same duration as the main pulse, having 2.8% of its energy, and preceding it by 4.4 ns.


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    Titel :

    Recent Progress in Grazing-Incidence-Pumped X-Ray Lasers at Uni-BE


    Beteiligte:
    Balmer, J. E. (Autor:in) / Grünig, M. (Autor:in) / Imesch, C. (Autor:in) / Staub, F. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2009-01-01


    Format / Umfang :

    9 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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