Timing methodologies and studies at the FERMI free-electron laser

Riccardo Mincigrucci*, Filippo Bencivenga, Emiliano Principi, Flavio Capotondi, Laura Foglia, Denys Naumenko, Alberto Simoncig, Simone Dal Zilio, Alessandro Gessini, Gabor Kurdi, Nicola Mahne, Michele Manfredda, Alessia Matruglio, Ivaylo Nikolov, Emanuele Pedersoli, Lorenzo Raimondi, Rudi Sergo, Marco Zangrando, Claudio Masciovecchio

*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftArtikelBegutachtung

Abstract

Time-resolved investigations have begun a new era of chemistry and physics, enabling the monitoring in real time of the dynamics of chemical reactions and matter. Induced transient optical absorption is a basic ultrafast electronic effect, originated by a partial depletion of the valence band, that can be triggered by exposing insulators and semiconductors to sub-picosecond extreme-ultraviolet pulses. Besides its scientific and fundamental implications, this process is very important as it is routinely applied in free-electron laser (FEL) facilities to achieve the temporal superposition between FEL and optical laser pulses with tens of femtoseconds accuracy. Here, a set of methodologies developed at the FERMI facility based on ultrafast effects in condensed materials and employed to effectively determine the FEL/laser cross correlation are presented.A description of the novel timing methodologies developed at the FERMI FEL facility is given.

Originalspracheenglisch
Seiten (von - bis)44-51
Seitenumfang8
FachzeitschriftJournal of Synchrotron Radiation
Jahrgang25
Ausgabenummer1
DOIs
PublikationsstatusVeröffentlicht - Jan. 2018
Extern publiziertJa

ASJC Scopus subject areas

  • Strahlung
  • Kern- und Hochenergiephysik
  • Instrumentierung

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