Wuppertal 2015 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 1: Synchrotron Radiation

AKBP 1.4: Vortrag

Montag, 9. März 2015, 14:45–15:00, BZ.08.06 (HS 1)

Narrow-Band THz Radiation at the Synchrotron Light Source DELTA — •Peter Ungelenk¹, Fin Hendrik Bahnsen¹, Max Bolsinger¹, Svenja Hilbrich¹, Markus Höner¹, Holger Huck¹, Maryam Huck¹, Shaukat Khan¹, Carsten Mai¹, Arne Meyer auf der Heide¹, Robert Molo¹, Helge Rast¹, Gholamreza Shayeganrad¹, Serge Bielawski², Clement Evain², Marc Le Parquier², Eléonore Roussel², Christophe Szwaj², Matthias Arndt³, Konstantin Ilin³, Artem Kuzmin³, Juliane Raasch³, and Michael Siegel³ — ¹Center for Synchrotron Radiation (DELTA), TU Dortmund University, Germany — ²PhLAM/CERLA, Université Lille 1, France — ³Institute of Micro- and Nanoelectronic Systems, Karlsruhe Institute of Technology, Germany

Based on the interaction of 40-fs laser pulses with electron bunches at the 1.5-GeV synchrotron light source DELTA operated by the TU Dortmund University, coherent broad-band THz pulses are routinely generated since 2011. Recently, 11-ps laser pulses with a periodic intensity modulation have been employed in cooperation with PhLAM/CERLA, Lille, in order to generate THz pulses with a narrow bandwidth of down to 300 GHz and a tunable central frequency between 0.7 and 5.5 THz. As a first application, the frequency dependence of YBa₂Cu₃O_7−x-based (YBCO) THz detectors developed at the Institute of Micro- and Nanoelectronic Systems (IMS) at KIT, Karlsruhe, has been studied. In order to investigate a tuning range of the narrow-band pulses at lower central frequencies, a new spectrometer is under development.