| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1830806 | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment | 2008 | 5 Pages |
Abstract
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 266Â nm) and in gases (266, 160, 114Â 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.
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Authors
L. Giannessi, D. Alesini, M. Biagini, M. Boscolo, M. Bougeard, P. Breger, B. Carré, M. Castellano, A. Cianchi, F. Ciocci, E. Chiadroni, A. Clozza, M.E. Couprie, L. Cultrera, G. Dattoli, S. De Silvestri, A. Di Pace, G. Di Pirro, C. Vicario,