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.
Self-amplified spontaneous emission for a single pass free-electron laser / 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. - In: PHYSICAL REVIEW SPECIAL TOPICS. ACCELERATORS AND BEAMS. - ISSN 1098-4402. - 14:6(2011 Jun 29), pp. 060712.060712.1-060712.060712.8.
Self-amplified spontaneous emission for a single pass free-electron laser
V. Petrillo;
2011
Abstract
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.
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