Speaker
Laura Torino
(ALBA Synchrotron (Spain))
Description
As ALBA II is currently under development, the machine design has undergone several updates. Some of these modifications directly impact the Beam Position Monitor (BPM) pickup response. Specifically, the transition of the vacuum chamber cross-section from circular to rhomboidal brings the pickup electrodes closer to the beam, increasing the wakefield effects and potential parasitic heating. An improved design, validated through simulation, is presented in these proceedings. Furthermore, the integration of these pickups into the copper vacuum chamber introduces material compatibility challenges; in particular, the use of Kovar in these assemblies will be discussed.
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Authors
Laura Torino
(ALBA Synchrotron (Spain))
Maisui Ning
(ALBA Synchrotron (Spain))
Ubaldo Iriso
(ALBA Synchrotron (Spain))
Jose Maria Alvarez
(ALBA Synchrotron (Spain))