Mainz 2022 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 3: Diagnostics, Control and Instrumentation 1

AKBP 3.2: Talk

Monday, March 28, 2022, 16:15–16:30, AKBP-H13

Implementing electro-optical detection methods for far-field THz detection at DELTA — •Vivek Vijayan, Arne Held, Shaukat Khan, Carsten Mai, and Boris Sawadski — Center for Synchrotron Radiation (DELTA), TU Dortmund, Dortmund, Germany

At the DELTA storage ring at TU Dortmund University, ultrashort THz pulses are coherently emitted by the interaction of a single electron bunch with an ultrashort laser pulse. This THz radiation can be used as a diagnostics tool for the laser-electron interaction as well as for studies of general storage ring parameters and electron beam dynamics. Currently, different thermal and photoconductive THz detectors are used at DELTA, which are sensitive to the intensity of the radiation. Detection schemes using the electro-optic effect enable a quantitative detection of the THz pulse shape with sub-picosecond resolution and are sensitive to both amplitude and phase information of the signal. An experimental setup based on electro-optical detection is currently being implemented at DELTA and its progress is discussed.