Self-amplified spontaneous emission for a single pass free-electron laser

oleh: L. Giannessi, D. Alesini, P. Antici, A. Bacci, M. Bellaveglia, R. Boni, M. Boscolo, F. Briquez, M. Castellano, L. Catani, E. Chiadroni, A. Cianchi, F. Ciocci, A. Clozza, M. E. Couprie, L. Cultrera, G. Dattoli, M. Del Franco, A. Dipace, G. Di Pirro, A. Doria, A. Drago, W. M. Fawley, M. Ferrario, L. Ficcadenti, D. Filippetto, F. Frassetto, H. P. Freund, V. Fusco, G. Gallerano, A. Gallo, G. Gatti, A. Ghigo, E. Giovenale, A. Marinelli, M. Labat, B. Marchetti, G. Marcus, C. Marrelli, M. Mattioli, M. Migliorati, M. Moreno, A. Mostacci, G. Orlandi, E. Pace, L. Palumbo, A. Petralia, M. Petrarca, V. Petrillo, L. Poletto, M. Quattromini, J. V. Rau, S. Reiche, C. Ronsivalle, J. Rosenzweig, A. R. Rossi, V. Rossi Albertini, E. Sabia, L. Serafini, M. Serluca, I. Spassovsky, B. Spataro, V. Surrenti, C. Vaccarezza, M. Vescovi, C. Vicario

Format: Article
Diterbitkan: American Physical Society 2011-06-01

Deskripsi

SPARC (acronym of “Sorgente Pulsata ed Amplificata di Radiazione Coerente”, i.e. Pulsed and Amplified Source of Coherent Radiation) is a single pass free-electron laser designed to obtain high gain amplification at a radiation wavelength of 500 nm. Self-amplified spontaneous emission has been observed driving the amplifier with the high-brightness beam of the SPARC linac. We report measurements of energy, spectra, and exponential gain. Experimental results are compared with simulations from several numerical codes.