Seeding experiments at SPARC

In the framework of the DS4 EUROFEL collaboration, a research work plan at the SPARC free-electron laser (FEL) test facility aiming at the investigation of seeded and cascaded FEL configurations is under implementation. The main goal of the collaboration is to study and test the amplification and th...

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Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2008-08, Vol.593 (1), p.132-136
Main Authors: Giannessi, L., Alesini, D., Biagini, M., Boscolo, M., Bougeard, M., Breger, P., Carré, B., Castellano, M., Cianchi, A., Ciocci, F., Chiadroni, E., Clozza, A., Couprie, M.E., Cultrera, L., Dattoli, G., De Silvestri, S., Di Pace, A., Di Pirro, G., Doria, A., Drago, A., Ferrario, M., Filippetto, D., Frassetto, F., Fusco, V., Gallerano, G.P., Gallo, A., Garzella, D., Ghigo, A., Germano, M., Giovenale, E., Labat, M., Lambert, G., Mattioli, M., Merdji, H., Monchicourt, P., Migliorati, M., Musumeci, P., Nisoli, M., Orlandi, G.L., Ottaviani, P.L., Pace, E., Pagnutti, S., Palumbo, L., Petralia, A., Petrarca, M., Poletto, L., Quattromini, M., Reiche, S., Rosenzweig, J.B., Ronsivalle, C., Salières, P., Sabia, E., Sansone, G., Serafini, L., Spassovsky, I., Spataro, B., Stagira, S., Surrenti, V., Tchebakoff, O., Tomassini, S., Tondello, G., Vaccarezza, C., Vicario, C.
Format: Article
Language:English
Subjects:
Free-electron laser
Harmonic generation
Harmonics
Non-linear dynamics
Superradiance
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Summary:In the framework of the DS4 EUROFEL collaboration, a research work plan at the SPARC free-electron laser (FEL) test facility aiming at the investigation of seeded and cascaded FEL configurations is under implementation. The main goal of the collaboration is to study and test the amplification and the FEL harmonic generation process of an input seed signal obtained as higher-order harmonics generated both in crystals (400 and 266 nm) and in gases (266, 160, 114 nm). The SPARC FEL can be configured to test several cascaded FEL configurations. In this paper we introduce SPARC and its main parameters and we analyze the superradiant cascade and the harmonic cascade seeded with a signal with the typical time structure of the harmonics generated in gas.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2008.04.073