First electrons from the new 220 TW Frascati Laser for Acceleration and Multidisciplinary Experiments (FLAME) at Frascati National Laboratories (LNF)

Year: 2013

Authors: Levato T., Calvetti M., Anelli F., Batani D., Benocci R., Cacciotti L., Cecchetti C.A., Cerafogli O., Chimenti P., Clozza A., Drenska N., Esposito A., Faccini R., Fioravanti S., Gamucci A., Gatti C., Giulietti A., Giulietti D., Labate L., Lollo V., Martellotti S., Monteduro M., Pace E., Pathak N.C., Pellegrino L., Piastra F., Pistoni M., Di Pirro G., Di Raddo R., Rotundo U., Ricci R., Richetta M., Vaccarezza C., Valente P., Gizzi LA.

Autors Affiliation: Laboratori Nazionali di Frascati (LNF), INFN, Italy; Intense Laser Irradiation Lab. (ILIL), Istituto Nazionale di Ottica (INO) – CNR, Pisa, Italy; University of Florence, Department of Physics, Italy; University of Milano Bicocca, Department of Physics, Italy; INFN, Sect. of Pisa, Italy University of Roma La Sapienza, Italy; University of Pisa, Department of Physics, Italy; University of Roma Tor Vergata, Italy taly

Abstract: A new era of laser based plasma accelerators is emerging following the commissioning of many high power laser facilities around the world. Extremely short (tens of fs) laser pulses with energy of multi-joules level are available at these newly built facilities. Here we describe the new 220 TW FLAME facility. In particular we discuss the laser system general layout, the main measurements on the laser pulse parameters, the underground target area. Finally we give an overview of the first results of the Self-Injection Test Experiment (SITE), obtained at a low laser energy. This initial low laser energy experimental campaign was necessary for the validation of the radio-protection shielding (Esposito, 2011 [1]) we discuss here. With respect to our preliminary configuration, with a pulse duration of 30 fs and a focusing optic of F/15, we discuss here the minimum laser energy requirements for electron acceleration and the forward transmitted optical radiation.


Volume: 720      Pages from: 95  to: 99

More Information: The authors wish to address special thanks to the entire technical and technological staff of LNF area for their invaluable support. This work was part of the strategic NTA-INFN project PlasmonX originated from a deep collaboration between INFN-LNF, University of Pisa and the CNR-INO section of Pisa.
KeyWords: Laser plasma acceleration; Radio-protection; Pulse
DOI: 10.1016/j.nima.2012.12.026

Citations: 5
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