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Proceedings Paper

Four-wave-mixing experiments and beyond: the TIMER/mini-TIMER setups at FERMI
Author(s): Laura Foglia; Filippo Bencivenga; Riccardo Mincigrucci; Alberto Simoncig; Andrea Calvi; Riccardo Cucini; Emiliano Principi; Marco Zangrando; Nicola Mahne; Michele Manfredda; Lorenzo Raimondi; Emanuele Pedersoli; Flavio Capotondi; Maya Kiskinova; Claudio Masciovecchio
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Paper Abstract

The development of free electron laser (FEL) sources, which provide extreme ultraviolet (XUV) and soft x-ray radiation of unprecedented coherence and almost transform-limited pulse structure, has opened up the realm of XUV/x-ray non-linear optics. In particular, XUV four-wave-mixing (XFWM) experiments may allow, e.g., to probe correlations among low-energy excitations and core states, and to access the “mesoscopic” wavevector range (0.1-1 nm-1), inaccessible so far and fundamental to investigate nanostructures and disordered systems. In this manuscript we report on the latest advances and future developments of the TIMER setup at FERMI (Elettra, Italy), specifically conceived for XFWM experiments. In particular, we discuss the improvements on the XUV-probe and on the pump transport. Moreover, TIMER and mini-TIMER (a test setup available at the DiProI end station) are also suitable for time-resolved second order nonlinear experiments, which are intrinsically surface sensitive due to symmetry restrictions. We hereby discuss the foreseen extension to the XUV of interface specific probing of electronic processes, for example charge and energy transfer, with chemical specificity.

Paper Details

Date Published: 17 May 2017
PDF: 9 pages
Proc. SPIE 10237, Advances in X-ray Free-Electron Lasers Instrumentation IV, 102370C (17 May 2017); doi: 10.1117/12.2268068
Show Author Affiliations
Laura Foglia, Elettra-Sincrotrone Trieste S.C.p.A. (Italy)
Filippo Bencivenga, Elettra-Sincrotrone Trieste S.C.p.A. (Italy)
Riccardo Mincigrucci, Elettra-Sincrotrone Trieste S.C.p.A. (Italy)
Alberto Simoncig, Elettra-Sincrotrone Trieste S.C.p.A. (Italy)
Andrea Calvi, Univ. degli Studi di Trieste (Italy)
Riccardo Cucini, Istituto Officina dei Materiali-CNR (Italy)
Emiliano Principi, Elettra-Sincrotrone Trieste S.C.p.A. (Italy)
Marco Zangrando, Elettra-Sincrotrone Trieste S.C.p.A. (Italy)
Istituto Officina dei Materiali-CNR (Italy)
Nicola Mahne, Istituto Officina dei Materiali-CNR (Italy)
Michele Manfredda, Elettra-Sincrotrone Trieste S.C.p.A. (Italy)
Lorenzo Raimondi, Elettra-Sincrotrone Trieste S.C.p.A. (Italy)
Emanuele Pedersoli, Elettra-Sincrotrone Trieste S.C.p.A. (Italy)
Flavio Capotondi, Elettra-Sincrotrone Trieste S.C.p.A. (Italy)
Maya Kiskinova, Elettra-Sincrotrone Trieste S.C.p.A. (Italy)
Claudio Masciovecchio, Elettra-Sincrotrone Trieste S.C.p.A. (Italy)

Published in SPIE Proceedings Vol. 10237:
Advances in X-ray Free-Electron Lasers Instrumentation IV
Thomas Tschentscher; Luc Patthey, Editor(s)

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