Volume 171, 2014

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

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.

Article information

Article type
Paper
Submitted
08 May 2014
Accepted
09 May 2014
First published
21 Jul 2014

Faraday Discuss., 2014,171, 487-503

Author version available

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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