We report the first experimental implementation of a method based on simultaneous use of an energy chirp in the electron beam and a tapered undulator, for the generation of ultrashort pulses in a selfamplified spontaneous emission mode free-electron laser (SASE FEL). The experiment, performed at the SPARC FEL test facility, demonstrates the possibility of compensating the nominally detrimental effect of the chirp by a proper taper of the undulator gaps. An increase of more than 1 order of magnitude in the pulse energy is observed in comparison to the untapered case, accompanied by FEL spectra where the typical SASE spiking is suppressed.
Giannessi, L., Bacci, A., Bellaveglia, M., Briquez, F., Castellano, M., Chiadroni, E., et al. (2011). Self-Amplified Spontaneous Emission Free-Electron Laser with an Energy-Chirped Electron Beam and Undulator Tapering. PHYSICAL REVIEW LETTERS, 106(14), 144801.
Tipologia: | Articolo su rivista |
Citazione: | Giannessi, L., Bacci, A., Bellaveglia, M., Briquez, F., Castellano, M., Chiadroni, E., et al. (2011). Self-Amplified Spontaneous Emission Free-Electron Laser with an Energy-Chirped Electron Beam and Undulator Tapering. PHYSICAL REVIEW LETTERS, 106(14), 144801. |
IF: | Con Impact Factor ISI |
Lingua: | English |
Settore Scientifico Disciplinare: | Settore FIS/01 - Fisica Sperimentale |
Revisione (peer review): | Esperti anonimi |
Tipo: | Articolo |
Rilevanza: | Rilevanza internazionale |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1103/PhysRevLett.106.144801 |
Stato di pubblicazione: | Pubblicato |
Data di pubblicazione: | 5-apr-2011 |
Titolo: | Self-Amplified Spontaneous Emission Free-Electron Laser with an Energy-Chirped Electron Beam and Undulator Tapering |
Autori: | |
Autori: | Giannessi, L; Bacci,A; Bellaveglia,M; Briquez,F; Castellano,M; Chiadroni,E; Cianchi,A;Ciocci,F; Couprie,M; Cultrera,L; Dattoli,G; Filippetto,D; Del Franco,M; Di Pirro,G; Ferrario,M; Ficcadenti,L;Frassetto,F; Gallo,A; Gatti,G; Labat,M; Marcus,G; Moreno,M; Mostacci,A; Pace,E; Petralia,A; Petrillo,V;Poletto,L; Quattromini,M; Rau,J;Ronsivalle,C; Rosenzweig, J; Rossi,A; Rossi Albertini,V; Sabia,E; Serluca,M; Spampinati,S; Spassovsky,I; Spataro,B; Surrenti,V; Vaccarezza,C; Vicario, C; |
Appare nelle tipologie: | 01 - Articolo su rivista |
File in questo prodotto:
File | Descrizione | Tipologia | Licenza | |
---|---|---|---|---|
2011_PRL.pdf | N/A | Copyright dell'editore | UNIVERSITY_NETWORK Richiedi una copia |