Dresden 2017 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 8: Diagnostics, Control, Instrumentation

AKBP 8.7: Vortrag

Donnerstag, 23. März 2017, 16:45–17:00, MOL 213

Double Slit Interferometer for Transverse Beam Size Measurements at BESSY II — •Marten Koopmans, Paul Goslawski, Ji-Gwang Hwang, Markus Ries, Martin Ruprecht, and Andreas Schälicke — Helmholtz-Zentrum Berlin, Berlin

The VSR upgrade for the BESSY II storage ring demands additional beam diagnostics for machine commissioning and development. Currently, transverse beam size measurements are done with pinhole monitor systems. However, this system cannot provide bunch resolved measurements. Alternative methods to measure the transverse beam size using synchrotron radiation in the visible spectrum are interferometric techniques, which could also be upgraded to bunch resolved systems. For that purpose a double slit interferometer has been designed and constructed. Commissioning of the system has started and experimental results are discussed and compared with the existing pinhole system.