Fourth-generation synchrotron radiation sources demand new quality for the electron beam diagnostic systems. Some of diagnostic system elements have to be accurately developed or redeveloped due to match the new requirements. Beam position monitor (BPM) is a most used detector and tens (even hundreds) BPMs are installed in numerous positions along beam transfer lines, booster and storage rings. Modern approach to this device development assumes such features as short transient time, wide bandwidth, high sampling rate, low noise architecture and reasonable production and maintenance price. As a part of the system, the BPM electrodes should meet all those requirements. In this article we describe a development procedure for high quality capacitive electrodes for the BPM. 3D electromagnetic model allows estimation of the sensitivity, frequency response and tolerance requirements for the manufacturing of hundreds of monitors. Presented here equivalent scheme for the electrodes is a basis for the BPM electronics design.
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This work was supported by the Ministry of Education and Science of the Russian Federation. Agreement 14.616.21.0088 from 24\11\2017, ID RFMEFI61617X0088 (Federal Targeted Program “Research and development on priority directions of scientific-technological complex of Russia in 2014–2020 year”).
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Liakin, D.A., Barabin, S.V., Orlov, A.Y. et al. Electrodes for Beam Position Monitors for Fourth Generation Synchrotron Radiation Source. J. Synch. Investig. 13, 511–514 (2019). https://doi.org/10.1134/S1027451019030261
- synchrotron radiation
- light source
- beam position monitor