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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 10: Novel Accelerator Concepts IV and Applications

AKBP 10.7: Talk

Thursday, April 3, 2025, 17:45–18:00, ZHG004

Status of the Laser Compton Backscattering Source at the S-DALINAC* — •Lisa Dingeldein, Michaela Arnold, Adrian Brauch, Manuel Dutine, Ruben Grewe, Lars Jürgensen, Maximilian Meier, Norbert Pietralla, Felix Schliessmann, and Dominic Schneider — Institut für Kernpysik, Technische Universität Darmstadt, Darmstadt, Germany

The COmpton Backscattering at a Recirculating Accelerator (COBRA) project utilizes a high-power laser, which is well synchronized to the electron beam of the Superconducting DArmstadt LINear ACcelerator (S-DALINAC). The backscattering provides high-energy photons for diagnostic and nuclear-photonic applications. A stable and precise laser beam transport to the interaction point in an evacuated beamline is ensured before COBRA will be used during an upcoming operation of the Energy Recovery Linac (ERL). The installation of laser safety precautions, methods for centered alignment of both beams and the detector for the backscattered photons, along with recurring measurements of the laser parameters will be presented.
Work supported by DFG (GRK 2128, IRTG 2891, Inst163/308-1 FUGG)

Keywords: Laser Compton Backscattering; LCB; X-Rays; Energy Recovery Linac; ERL