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12 May 2015 Seeded FEL with two energy level electron beam distribution at SPARC_LAB
Fabio Villa, David Alesini, Maria Pia Anania, Marcello Artioli, Alberto Bacci, Marco Bellaveglia, Mariano Carpanese, Michele Castellano, Alessandro Cianchi, Franco Ciocci, Enrica Chiadroni, Giuseppe Dattoli, Domenico Di Giovenale, Emanuele Di Palma, Giampiero Di Pirro, Massimo Ferrario, Francesco Filippi, Alessandro Gallo, Giancarlo Gatti, Luca Giannessi, Anna Giribono, Luca Innocenti, Najmeh Sada Mirian, Andrea Mostacci, Alberto Petralia, Vittoria Petrillo, Riccardo Pompili, Julietta V. Rau, Stefano Romeo, Andrea Renato Rossi, Elio Sabia, Vladimir Shpakov, Ivan P. Spassovsky, Cristina Vaccarezza
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Proceedings Volume 9512, Advances in X-ray Free-Electron Lasers Instrumentation III; 95120T (2015) https://doi.org/10.1117/12.2182160
Event: SPIE Optics + Optoelectronics, 2015, Prague, Czech Republic
Abstract
We present the experimental evidence of the generation of coherent and statistically stable Free-Electron Laser (FEL) two color radiation obtained by seeding an electron double peaked beam in time and energy with a single peaked laser pulse. The FEL radiation presents two neat spectral lines, with time delay, frequency separation and relative intensity that can be accurately controlled. The analysis of the emission shows a temporal coherence and regularity in frequency significantly enhanced with respect to the Self Amplified Spontaneous Emission (SASE).
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Fabio Villa, David Alesini, Maria Pia Anania, Marcello Artioli, Alberto Bacci, Marco Bellaveglia, Mariano Carpanese, Michele Castellano, Alessandro Cianchi, Franco Ciocci, Enrica Chiadroni, Giuseppe Dattoli, Domenico Di Giovenale, Emanuele Di Palma, Giampiero Di Pirro, Massimo Ferrario, Francesco Filippi, Alessandro Gallo, Giancarlo Gatti, Luca Giannessi, Anna Giribono, Luca Innocenti, Najmeh Sada Mirian, Andrea Mostacci, Alberto Petralia, Vittoria Petrillo, Riccardo Pompili, Julietta V. Rau, Stefano Romeo, Andrea Renato Rossi, Elio Sabia, Vladimir Shpakov, Ivan P. Spassovsky, and Cristina Vaccarezza "Seeded FEL with two energy level electron beam distribution at SPARC_LAB", Proc. SPIE 9512, Advances in X-ray Free-Electron Lasers Instrumentation III, 95120T (12 May 2015); https://doi.org/10.1117/12.2182160
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KEYWORDS
Free electron lasers
Electron beams
Pulsed laser operation
Spectroscopy
Statistical analysis
Diagnostics
Picosecond phenomena
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