Nature Communications (Jan 2016)

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

  • Eugenio Ferrari,
  • Carlo Spezzani,
  • Franck Fortuna,
  • Renaud Delaunay,
  • Franck Vidal,
  • Ivaylo Nikolov,
  • Paolo Cinquegrana,
  • Bruno Diviacco,
  • David Gauthier,
  • Giuseppe Penco,
  • Primož Rebernik Ribič,
  • Eleonore Roussel,
  • Marco Trovò,
  • Jean-Baptiste Moussy,
  • Tommaso Pincelli,
  • Lounès Lounis,
  • Michele Manfredda,
  • Emanuele Pedersoli,
  • Flavio Capotondi,
  • Cristian Svetina,
  • Nicola Mahne,
  • Marco Zangrando,
  • Lorenzo Raimondi,
  • Alexander Demidovich,
  • Luca Giannessi,
  • Giovanni De Ninno,
  • Miltcho Boyanov Danailov,
  • Enrico Allaria,
  • Maurizio Sacchi

DOI
https://doi.org/10.1038/ncomms10343
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 8

Abstract

Read online

Two-colour X-ray free electron laser is a powerful tool for pump–probe measurements, but currently constrained by limited tunability. Here, Ferrari et al. develop a configuration that allows tuning both the pump and the probe to specific electronic excitations, providing element selectivity.