Two-colour generation in a chirped seeded free-electron laser: a close look

We present the experimental demonstration of a method for generating two spectrally and temporally separated pulses by an externally seeded, single-pass free-electron laser operating in the extreme-ultraviolet spectral range. Our results, collected on the FERMI@Elettra facility and confirmed by nume...

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Bibliographic Details
Published in:Optics express 2013-09, Vol.21 (19), p.22728-22741
Main Authors: Mahieu, Benoît, Allaria, Enrico, Castronovo, Davide, Danailov, Miltcho B, Demidovich, Alexander, De Ninno, Giovanni, Di Mitri, Simone, Fawley, William M, Ferrari, Eugenio, Fröhlich, Lars, Gauthier, David, Giannessi, Luca, Mahne, Nicola, Penco, Giuseppe, Raimondi, Lorenzo, Spampinati, Simone, Spezzani, Carlo, Svetina, Cristian, Trovò, Mauro, Zangrando, Marco
Format: Article
Language:English
Subjects:
Accelerator Physics
Optics
Physics
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Summary:We present the experimental demonstration of a method for generating two spectrally and temporally separated pulses by an externally seeded, single-pass free-electron laser operating in the extreme-ultraviolet spectral range. Our results, collected on the FERMI@Elettra facility and confirmed by numerical simulations, demonstrate the possibility of controlling both the spectral and temporal features of the generated pulses. A free-electron laser operated in this mode becomes a suitable light source for jitter-free, two-colour pump-probe experiments.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.21.022728