17–22 May 2026
C.I.D
Europe/Zurich timezone

Superradiant Terahertz Radiation Generation at EuXFEL: integration, commissioning, and initial measurements

THP2116
21 May 2026, 16:00
2h
C.I.D

C.I.D

Deauville, France
Poster Presentation MC2.A25: THz sources Poster session

Speaker

Karel Peetermans (Deutsches Elektronen-Synchrotron DESY)

Description

The Superradiant Terahertz Radiation Generation (STERN) experimental chamber has recently been successfully integrated into the EuXFEL electron beam line. The setup incorporates Cherenkov wakefield structures and a diffraction radiation sheet to generate superradiant Terahertz (THz) pulses as the electron beam passes through. In future operation, these pulses are planned to be delivered to the EuXFEL user hutches to be used in pump-probe experiments.
This work describes the main challenges encountered during the chamber installation and the commissioning phase of the experiment. It also reports on the commissioning of a new mini-beta lattice providing a strongly focused beam at the experimental location. Finally, first measurement results of the THz generation and transport are presented based on availability, together with a comparison to corresponding simulation predictions.

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Author

Karel Peetermans (Deutsches Elektronen-Synchrotron DESY)

Co-authors

Dr Francois Lemery (Deutsches Elektronen-Synchrotron DESY) Juna Wernsmann (Deutsches Elektronen Synchrotron (DESY) and Center for Free Electron Science (CFEL))

Presentation materials

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