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29 September 2025 to 1 October 2025
DESY Campus, Hamburg
Europe/Berlin timezone

Measurements of CSR radiation at KARA using novel thin-film lithium niobate electro-optical sensors

Not scheduled
20m
Building 3, hallway, ground floor (DESY Campus, Hamburg)

Building 3, hallway, ground floor

DESY Campus, Hamburg

Notkestrasse 85 22607 Hamburg Germany

Speaker

Gudrun Niehues (KIT)

Description

Electro-optical detection provides a powerful method for characterizing the electric fields of relativistic electron beams and their emitted radiation. We report on the use of novel thin-film lithium niobate electro-optical sensors for the detection of freely propagating terahertz (THz) pulses and, for the first time, measurements of coherent synchrotron radiation (CSR) at the Karlsruhe Research Accelerator (KARA). The thin-film lithium niobate sensors combine strong electro-optical response with engineered velocity matching and compact device geometry, enabling sensitive detection of transient THz fields. Using integrated Mach–Zehnder interferometer waveguide structures, we demonstrate successful coupling of CSR to the device and present first measurement results.

Primary authors

Gudrun Niehues (KIT) Stefan Funkner (IBPT/KIT) Marvin Noll (KIT) Johannes Steinmann (Karlsruhe Institute of Technology (KIT), IBPT) Payam Rabiei (Partow Technologies LLC) Seyfollah Toroghi (Partow Technologies LLC) Ingrid Wilke (Department of Physics, Applied Physics, and Astronomy, Rensselaer Polytechnic Institute)

Presentation materials

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