Dresden 2013 – scientific programme

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T: Fachverband Teilchenphysik

T 127: Beschleunigerphysik XIV (Strahldiagnose II)

T 127.2: Talk

Thursday, March 7, 2013, 17:00–17:15, WIL-C203

Electro-optical bunch shape measurements - possible temporal resolution limits — •Andrii Borysenko, Nicole Hiller, Benjamin Kehrer, Michael J. Nasse, Edmund Hertle, Marcel Schuch, Sebastian Marsching, and Anke-Susanne Müller — Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany

Coherent synchrotron radiation arises when the longitudinal electron bunch length is smaller than the wavelength. In storage rings, substructures on the electron bunches (micro-bunching) can lead to strong "bursting" of coherent radiation and investigation of such effects requires a measurement of the electron bunch length with sufficient temporal resolution. In linear accelerators, the bunch lengths themselves can be extremely short. This report considers the main electro-optical techniques for bunch length measurements and discusses systematic limitations of the method. Special emphasis is put on possible ways to increase the temporal resolution.