Intense terahertz pulses from SPARC_LAB coherent radiation source

F. Giorgianni; M. Bellaveglia; M. Castellano; E. Chiadroni; A. Cianchi; M. Daniele; D. Di Giovenale; G. Di Pirro; M. Ferrario; S. Lupi; A. Mostacci; M. Petrarca; R. Pompili; V. Shpakov; F. Villa

doi:10.1117/12.2178970

12 May 2015 Intense terahertz pulses from SPARC_LAB coherent radiation source

F. Giorgianni, M. Bellaveglia, M. Castellano, E. Chiadroni, A. Cianchi, M. Daniele, D. Di Giovenale, G. Di Pirro, M. Ferrario, S. Lupi, A. Mostacci, M. Petrarca, R. Pompili, V. Shpakov, F. Villa

Author Affiliations +

Proceedings Volume 9509, Relativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources; 95090O (2015) https://doi.org/10.1117/12.2178970
Event: SPIE Optics + Optoelectronics, 2015, Prague, Czech Republic

Abstract

The linac-based Terahertz source at the SPARC_LAB test facility is able to generate highly intense Terahertz broadband pulses via coherent transition radiation (CTR) from high brightness electron beams. The THz pulse duration is typically down to 100 fs RMS and can be tuned through the electron bunch duration and shaping. The measured stored energy in a single THz pulse has reached 40 μJ, which corresponds to a peak electric field of 1.6 MV/cm at the THz focus. Here we present the main features, in particular spatial and spectral distributions and energy characterizations of the SPARC_LAB THz source, which is very competitive for investigations in Condensed Matter, as well as a valid tool for electron beam longitudinal diagnostics.

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F. Giorgianni, M. Bellaveglia, M. Castellano, E. Chiadroni, A. Cianchi, M. Daniele, D. Di Giovenale, G. Di Pirro, M. Ferrario, S. Lupi, A. Mostacci, M. Petrarca, R. Pompili, V. Shpakov, and F. Villa "Intense terahertz pulses from SPARC_LAB coherent radiation source", Proc. SPIE 9509, Relativistic Plasma Waves and Particle Beams as Coherent and Incoherent Radiation Sources, 95090O (12 May 2015); https://doi.org/10.1117/12.2178970

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