|WEPGW012||Vertical Beam Size Measurement Methods at the BESSY II Storage Ring and their Resolution Limits||2491|
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With the VSR upgrade for the BESSY II electron storage ring* bunch resolved diagnostics are required for machine commissioning and to ensure the long-term quality and stability of operation. For transverse beam size measurements we are going to use an interferometric method, which will be combined with a fast gated intensified CCD camera at a subsequent stage. A double-slit interferometer method has already been verified successfully at BESSY II**. In addition first 2D bunch resolved measurement tests have been performed at the dedicated diagnostics beamline for bunch length measurements. Measurements of the interferometer and X-ray pinholes as function of a vertical electron beam excitation are compared in this paper.
* A. Jankowiak et al., Germany, June 2015. DOI: 10.5442/R0001
** M. Koopmans et al., in Proc. IPAC’17, paper MOPAB032, 2017
|DOI •||reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2019-WEPGW012|
|About •||paper received ※ 09 May 2019 paper accepted ※ 20 May 2019 issue date ※ 21 June 2019|
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