Speaker
Description
Linear wire scanners are an essential instrument for beam profile measurements in the CERN accelerator complex. However, in the Large Hadron Collider, an aging design has led to performance issues in recent years. This study presents a next-generation wire scanner design that enhances reliability and measurement accuracy through advancements in motion technology. A key innovation is replacing vacuum bellows with a planar magnetically coupled linear drive system, paired with a ceramic linear guide inside the vacuum chamber capable of operating at high velocities. A test rig has been created to validate this novel motion design, which has demonstrated the effectiveness and long-term durability of the system. The next phase of the project will see a prototype instrument installed in the LHC for impedance verification. The new technology developed in this study holds potential for a broad range of motion applications in ultra-high vacuum environments.
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