-
L Poletto,
G Tondello,
S De Silvestri,
M Nisoli,
S Stagira,
P Musumeci,
M Petrarca,
G Couprie,
M Lambert,
H Labat, [......],
G P Gallerano,
L Giannessi,
E Giovenale,
G Parisi,
I Spassovsky,
M Quattromini,
A Renieri,
C Ronsivalle,
E Sabia,
S Spampinati
[show abstract]
[hide abstract]
ABSTRACT: Sources based on high order harmonics generated in gas with high power Ti:Sa lasers pulses represent promising candidates as seed for free electron laser (FEL) amplifiers for several reasons, as spatial and temporal coherence and wavelength tunability. We describe the research work plan under implementation at the SPARC FEL facility (Sorgente Pulsata e Amplificata di Radiazione Coerente, Italy) [1] in the framework of the EUROFEL programme. 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 crystal (400nm and 266 nm) and in gas (266nm, 160nm, 114nm) from a high intensity Ti:Sa laser. comes and possibilities: gths. ified.
Free Electron Laser, Stanford, California; 01/2005
-
A Renieri, M Carpanese,
F Ciocci,
G Dattoli,
A Di,
A Doria,
F Flora,
G P Gallerano,
L Giannessi,
E Giovenale, [......],
D Moricciani,
C Schaerf,
Italy S Roma,
J B Reiche,
G Rosenzweig,
Travish,
D H Dowell,
P Emma,
C Limborg,
D Palmer
[show abstract]
[hide abstract]
ABSTRACT: We review the status of FEL source activity of the ongoing SPARC FEL experiment, developed within the framework of a collaboration among ENEA, CNR, INFN, INFM, Sincrotrone Trieste and University of Rome Tor Vergata. The project is aimed at realising a SASE-FEL source, operating in the visible (around 500 nm), with an extended range of tunability down to the VUV (100 nm) by the use of the mechanism of non-linear harmonic generation. The development of the relevant activities foresees the realisation of an advanced 150 MeV photo-injector source, aimed at producing a high brightness electron beams, needed to drive a SASE-FEL experiment, and a 14 m long undulator. We present the status of the design and construction of SPARC FEL device. In particular we discuss the choice of the project parameters, their optimisation and the sensitivity of the SPARC performance to any parameter variation. We will show, using start-to-end simulations, what is the impact of the e-beam and of the undulator parameters on the characteristics of the output laser field and in particular on the amount of the non-linearly generated power at higher harmonics.
Free Electron Laser, Trieste, Italy; 01/2004
-
Nuclear Instruments and Methods in Physics Research 01/1997;
