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Volume 171, 2014
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Multi-colour pulses from seeded free-electron-lasers: towards the development of non-linear core-level coherent spectroscopies

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Abstract

We report on new opportunities for ultrafast science thanks to the use of two-colour extreme ultraviolet (XUV) pulses at the FERMI free electron laser (FEL) facility. The two pulses have been employed to carry out a pioneering FEL-pump/FEL-probe diffraction experiment using a Ti target and tuning the FEL pulses to the M2/3-edge in order to explore the dependence of the dielectric constant on the excitation fluence. The future impact that the use of such a two-colour FEL emission will have on the development of ultrafast wave-mixing methods in the XUV/soft X-ray range is addressed and discussed.

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Publication details

The article was received on 08 May 2014, accepted on 09 May 2014 and first published on 21 Jul 2014


Article type: Paper
DOI: 10.1039/C4FD00100A
Author version available: Download Author version (PDF)
Citation: Faraday Discuss., 2014,171, 487-503
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    Multi-colour pulses from seeded free-electron-lasers: towards the development of non-linear core-level coherent spectroscopies

    F. Bencivenga, F. Capotondi, F. Casolari, F. Dallari, M. B. Danailov, G. De Ninno, D. Fausti, M. Kiskinova, M. Manfredda, C. Masciovecchio and E. Pedersoli, Faraday Discuss., 2014, 171, 487
    DOI: 10.1039/C4FD00100A

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