We present the experimental evidence of the generation of coherent and statistically stable two-color free-electron laser radiation obtained by seeding an electron beam double peaked in energy with a laser pulse single spiked in frequency. The radiation presents two neat spectral lines, with time delay, frequency separation, and relative intensity that can be accurately controlled. The analysis of the emitted radiation shows a temporal coherence and a shot-to-shot regularity in frequency significantly enhanced with respect to the self-amplified spontaneous emission.

Two-color radiation generated in a seeded free-electron laser with two electron beams / Petralia, A.; Anania, M. P.; Artioli, M.; Bacci, A.; Bellaveglia, M.; Carpanese, M.; Chiadroni, E.; Cianchi, A.; Ciocci, F.; Dattoli, G.; Di Giovenale, D.; Di Palma, E.; Di Pirro, G. P.; Ferrario, M.; Giannessi, L.; Innocenti, L.; Mostacci, A.; Petrillo, V.; Pompili, R.; Rau, J. V.; Ronsivalle, C.; Rossi, A. R.; Sabia, E.; Shpakov, V.; Vaccarezza, C.; Villa, F.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 115:1(2015). [10.1103/PhysRevLett.115.014801]

Two-color radiation generated in a seeded free-electron laser with two electron beams

Bellaveglia M.;Chiadroni E.;Ciocci F.;Dattoli G.;Di Giovenale D.;Ferrario M.;Mostacci A.;Petrillo V.;Vaccarezza C.;
2015

Abstract

We present the experimental evidence of the generation of coherent and statistically stable two-color free-electron laser radiation obtained by seeding an electron beam double peaked in energy with a laser pulse single spiked in frequency. The radiation presents two neat spectral lines, with time delay, frequency separation, and relative intensity that can be accurately controlled. The analysis of the emitted radiation shows a temporal coherence and a shot-to-shot regularity in frequency significantly enhanced with respect to the self-amplified spontaneous emission.
Electron beams; free electron lasers; physics
01 Pubblicazione su rivista::01a Articolo in rivista
Two-color radiation generated in a seeded free-electron laser with two electron beams / Petralia, A.; Anania, M. P.; Artioli, M.; Bacci, A.; Bellaveglia, M.; Carpanese, M.; Chiadroni, E.; Cianchi, A.; Ciocci, F.; Dattoli, G.; Di Giovenale, D.; Di Palma, E.; Di Pirro, G. P.; Ferrario, M.; Giannessi, L.; Innocenti, L.; Mostacci, A.; Petrillo, V.; Pompili, R.; Rau, J. V.; Ronsivalle, C.; Rossi, A. R.; Sabia, E.; Shpakov, V.; Vaccarezza, C.; Villa, F.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 115:1(2015). [10.1103/PhysRevLett.115.014801]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1450817
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