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  1. No Access

    Chapter

    Free-Electron Lasers – High-Intensity X-Ray Sources

    J. Feldhaus, B. Sonntag in Strong Field Laser Physics (2009)

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    Article

    A new powerful source for coherent VUV radiation: Demonstration of exponential growth and saturation at the TTF free-electron laser

    We present experimental evidence that the free-electron laser at the TESLA Test Facility has reached the maximum power gain of 107 in the vacuum ultraviolet (VUV) region at wavelengths between 80 and 120 nm. At s...

    V. Ayvazyan, N. Baboi, I. Bohnet in The European Physical Journal D - Atomic, … (2002)

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    Chapter

    Two-Color Experiments on Aligned Atoms

    Vacuum-ultraviolet (VUV) photoelectron spectroscopy is well established as an extremely powerful method for investigating many-electron effects in atomic photoionization. Energy- and angle-resolved measurement...

    B. Sonntag, M. Pahler in New Directions in Research with Third-Gene… (1994)

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    Article

    Decay channels of core excitation resonances in 3d and 4f metal atoms

    Photoabsorption, photoelectron, and ejected electron spectra of atomic 3d metals and rare earths in the energy range of the strong 3p→3d and 4d→(4fεf) excitations are presented. TheZ-dependence of the strength, s...

    M. Meyer, T. Prescher, E. von Raven in Zeitschrift für Physik D Atoms, Molecules … (1986)

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    Article

    Photoabsorption of Atomic Sodium in the VUV

    The absorption spectrum of atomic sodium in the photon energy region from 30 to 150 eV has been investigated. A great number of sharp absorption lines which can be attributed to the excitation of a 2p- or a 2s-el...

    H. W. Wolff, K. Radler, B. Sonntag, R. Haensel in Zeitschrift für Physik (1972)