4.5 Article

Data synchronization module for multi-dimensional bunch-by-bunch measurement in a storage ring

Journal

REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 93, Issue 12, Pages -

Publisher

AIP Publishing
DOI: 10.1063/5.0115976

Keywords

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Funding

  1. National Natural Science Foundation of China [12075236]

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This article introduces a data synchronization module (DSM) designed to solve the issue of data misplacement on high-speed acquisition boards. It also proposes a method to improve the longitudinal phase resolution in multi-dimensional bunch-by-bunch (BbB) measurements.
Multi-dimensional bunch-by-bunch (BbB) measurements are an efficient tool to research beam dynamics induced by wakefields in storage ring light sources, yet they can have data misplacement problems on high-speed acquisition boards. Hence, a data synchronization module (DSM) was designed to solve the issue of data misplacement. We analyzed different synchronization states in the DSM and conducted testing of the DSM on a field programmable gate array to evaluate its performance. Test results indicate the synchronized DSM data from multiple high-speed acquisition boards corresponds to the bucket number in the bunch filling pattern. We found that the resolution of the longitudinal phase in three-dimensional BbB measurements can be improved with DSM and propose a scheme for multi-dimensional BbB measurements. In this paper, we will detail the structure of DSM and its limitations.

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