Self-amplified spontaneous emission free electron laser devices and nonideal electron beam transport

We have developed, at the SPARC test facility, a procedure for a real time self-amplified spontaneous emission free electron laser (FEL) device performance control. We describe an actual FEL, including electron and optical beam transport, through a set of analytical formulas, allowing a fast and rel...

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Bibliographic Details
Published in:Physical review special topics. PRST-AB. Accelerators and beams 2014-11, Vol.17 (11), p.110706, Article 110706
Main Authors: Lazzarino, L. L., Di Palma, E., Anania, M. P., Artioli, M., Bacci, A., Bellaveglia, M., Chiadroni, E., Cianchi, A., Ciocci, F., Dattoli, G., Di Giovenale, D., Di Pirro, G., Ferrario, M., Gatti, G., Giannessi, L., Mostacci, A., Musumeci, P., Petralia, A., Petrillo, V., Pompili, R., Rau, J. V., Rossi, A. R., Sabia, E., Vaccarezza, C., Villa, F.
Format: Article
Language:English
Subjects:
Amplification
Electron beams
Emission analysis
Free electron lasers
Lasers
Real time
Spontaneous emission
Test facilities
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Summary:We have developed, at the SPARC test facility, a procedure for a real time self-amplified spontaneous emission free electron laser (FEL) device performance control. We describe an actual FEL, including electron and optical beam transport, through a set of analytical formulas, allowing a fast and reliable on-line “simulation” of the experiment. The system is designed in such a way that the characteristics of the transport elements and the laser intensity are measured and adjusted, via a real time computation, during the experimental run, to obtain an on-line feedback of the laser performances. The detail of the procedure and the relevant experimental results are discussed.
ISSN:1098-4402
1098-4402
2469-9888
DOI:10.1103/PhysRevSTAB.17.110706