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Experimental study of the temporal coherence and spectral profile of the 13.9nm transient X-ray laser

Abstract : A new Fresnel interferometer is used to investigate the temporal coherence of the 13.9 nm Ni-like Ag X-ray laser. The results obtained show a coherence time of ≈ 3 ps, corresponding to a spectral linewidth A2 of 0.7 mÅ, which is narrow. The pulse duration, also measured in this experiment, is shown to be close to the Fourier-transform limit. Finally, we discuss the implications of the high temporal coherence of the X-ray laser on the structure of the far-field pattern of the beam.
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https://hal-iogs.archives-ouvertes.fr/hal-00575860
Contributor : Sébastien de Rossi <>
Submitted on : Friday, March 11, 2011 - 11:43:54 AM
Last modification on : Wednesday, September 16, 2020 - 5:42:39 PM

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Annie Klisnick, Olivier Guilbaud, David Ros, Kevin Cassou, Sophie Kazamias, et al.. Experimental study of the temporal coherence and spectral profile of the 13.9nm transient X-ray laser. Journal of Quantitative Spectroscopy and Radiative Transfer, Elsevier, 2006, 99 (1-3), pp.370-380. ⟨hal-00575860⟩

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