Scientific Results

High-charge divergent electron beam generation from high-intensity laser interaction with a gas-cluster target

Year: 2015

Authors: Koester P., Bussolino GC., Cristoforetti G., Faenov A., Giulietti A., Giulietti D., Labate L., Levato T., Pikuz T., Gizzi LA.

Autors Affiliation: Intense Laser Irradiation Laboratory, Istituto Nazionale di Ottica, Consiglio Nazionale delle Ricerche, Pisa, Italy; Joint Institute for High Temperatures, Russian Academy of Science (RAS), Moscow, Russia; Division for Photon Science and Technology, Institute for Academic Initiatives, Osaka University, Osaka, Japan; Graduate School of Engineering, Osaka University, Osaka University, Osaka, Japan; Dipartimento di Fisica, Università di Pisa, Pisa, Italy; INFN Sezione di Pisa, Pisa, Italy; Fyzikální ústav AV ČR v.v.i., Praha, Czech Republic

Abstract: We report on an experimental study on the interaction of a high-contrast 40 fs duration 2 TW laser pulse with an argon-cluster target. A high-charge, homogeneous, large divergence electron beam with moderate kinetic energy (similar to 2 MeV) is observed in the forward direction. The results show that an electron beam with a charge as high as 12 nC can be obtained using a table-top laser system. It was demonstrated that the accelerated electron beam is suitable for a variety of applications such as micro-radiography of thin samples in a wide field of view. It can also be applied for in vitro dosimetry studies.

Journal/Review: LASER AND PARTICLE BEAMS

Volume: 33 (2)      Pages from: 331  to: 338

More Information: The work of A. Faenov and T. Pikuz was partially supported by the RFBR projects 14-22-02089 and 14-02-91171-GFEN_a. The activity of the INO-CNR Pisa group was partially supported from the Italian Ministry of Health through the Project No. GR-2009-1608935 (\”Study of Radiobiological and Radiotherapic Effects of a Novel Laser-Driven Electron Accelerator\”, D.I. AgeNaS).
KeyWords: Clusters; Electron acceleration; Electron radiography; Femtosecond lasers
DOI: 10.1017/S0263034615000014

Citations: 9
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