The development of radiation sources in the Terahertz (THz) spectral region has become more and more interesting because of the peculiar characteristics of this radiation: it is non ionizing, it penetrates dielectrics, it is highly absorbed by polar liquids, highly reflected by metals and reveals specific "fingerprint" absorption spectra arising from fundamentals physical processes. The THz source at SPARC is a linac-based source for both longitudinal beam diagnostics and research investigations. Its measured peak power is of the order of 108 W, very competitive with respect to other present sources. The status of the THz radiation source, in particular its generation and properties, is presented and future perspectives are discussed. Copyright © 2011 by IPAC'11/EPS-AG.
Present and perspectives of the sparc thz source / Chiadroni, E.; Mostacci, Andrea; Palumbo, Luigi; Calvani, Paolo; Limaj, Odeta; Lupi, Stefano; Nucara, Alessandro. - STAMPA. - (2011), pp. 3669-3671. (Intervento presentato al convegno 2nd International Particle Accelerator Conference, IPAC 2011 tenutosi a Kursaal, San Sebastian nel 4 September 2011 through 9 September 2011).