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Widely tunable two-colour seeded free-electron laser source for resonant-pump resonant-probe magnetic scattering

Author

Listed:
  • Eugenio Ferrari

    (ELETTRA—Sincrotrone Trieste
    Università degli Studi di Trieste)

  • Carlo Spezzani

    (ELETTRA—Sincrotrone Trieste
    Laboratoire de Physique des Solides, Université Paris-Sud, CNRS-UMR 8502)

  • Franck Fortuna

    (Centre de Sciences Nucléaires et de Sciences de la Matière, Université Paris-Sud, CNRS UMR 8609)

  • Renaud Delaunay

    (Laboratoire de Chimie Physique Matière et Rayonnement, Sorbonne Universités, UPMC Univ Paris 06, CNRS UMR 7614)

  • Franck Vidal

    (Institut des NanoSciences de Paris, Sorbonne Universités, UPMC Univ Paris 06, CNRS UMR 7588)

  • Ivaylo Nikolov

    (ELETTRA—Sincrotrone Trieste)

  • Paolo Cinquegrana

    (ELETTRA—Sincrotrone Trieste)

  • Bruno Diviacco

    (ELETTRA—Sincrotrone Trieste)

  • David Gauthier

    (ELETTRA—Sincrotrone Trieste)

  • Giuseppe Penco

    (ELETTRA—Sincrotrone Trieste)

  • Primož Rebernik Ribič

    (ELETTRA—Sincrotrone Trieste)

  • Eleonore Roussel

    (ELETTRA—Sincrotrone Trieste)

  • Marco Trovò

    (ELETTRA—Sincrotrone Trieste)

  • Jean-Baptiste Moussy

    (Service de Physique de l'Etat Condensé, DSM/IRAMIS/SPEC, CNRS UMR 3680)

  • Tommaso Pincelli

    (Università degli Studi di Milano)

  • Lounès Lounis

    (Institut des NanoSciences de Paris, Sorbonne Universités, UPMC Univ Paris 06, CNRS UMR 7588
    Ecole Normale Supérieure, PSL Research University)

  • Michele Manfredda

    (ELETTRA—Sincrotrone Trieste)

  • Emanuele Pedersoli

    (ELETTRA—Sincrotrone Trieste)

  • Flavio Capotondi

    (ELETTRA—Sincrotrone Trieste)

  • Cristian Svetina

    (ELETTRA—Sincrotrone Trieste
    Graduate School of Nanotechnology, Università degli Studi di Trieste)

  • Nicola Mahne

    (ELETTRA—Sincrotrone Trieste)

  • Marco Zangrando

    (ELETTRA—Sincrotrone Trieste
    Istituto Officina dei Materiali, Consiglio Nazionale delle Ricerche)

  • Lorenzo Raimondi

    (ELETTRA—Sincrotrone Trieste)

  • Alexander Demidovich

    (ELETTRA—Sincrotrone Trieste)

  • Luca Giannessi

    (ELETTRA—Sincrotrone Trieste
    ENEA, Centro Ricerche Frascati)

  • Giovanni De Ninno

    (ELETTRA—Sincrotrone Trieste
    Laboratory of Quantum Optics, University of Nova Gorica)

  • Miltcho Boyanov Danailov

    (ELETTRA—Sincrotrone Trieste)

  • Enrico Allaria

    (ELETTRA—Sincrotrone Trieste)

  • Maurizio Sacchi

    (Institut des NanoSciences de Paris, Sorbonne Universités, UPMC Univ Paris 06, CNRS UMR 7588
    Synchrotron SOLEIL, L’Orme des Merisiers, Saint-Aubin)

Abstract

The advent of free-electron laser (FEL) sources delivering two synchronized pulses of different wavelengths (or colours) has made available a whole range of novel pump–probe experiments. This communication describes a major step forward using a new configuration of the FERMI FEL-seeded source to deliver two pulses with different wavelengths, each tunable independently over a broad spectral range with adjustable time delay. The FEL scheme makes use of two seed laser beams of different wavelengths and of a split radiator section to generate two extreme ultraviolet pulses from distinct portions of the same electron bunch. The tunability range of this new two-colour source meets the requirements of double-resonant FEL pump/FEL probe time-resolved studies. We demonstrate its performance in a proof-of-principle magnetic scattering experiment in Fe–Ni compounds, by tuning the FEL wavelengths to the Fe and Ni 3p resonances.

Suggested Citation

  • Eugenio Ferrari & Carlo Spezzani & Franck Fortuna & Renaud Delaunay & Franck Vidal & Ivaylo Nikolov & Paolo Cinquegrana & Bruno Diviacco & David Gauthier & Giuseppe Penco & Primož Rebernik Ribič & Ele, 2016. "Widely tunable two-colour seeded free-electron laser source for resonant-pump resonant-probe magnetic scattering," Nature Communications, Nature, vol. 7(1), pages 1-8, April.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms10343
    DOI: 10.1038/ncomms10343
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