Design and optimisation of the Compact Linear Collider main LINAC module for micron-level stability and alignment

Capstick, Matthew; Doebert, S.; Aicheler, Markus; Rossi, C.

doi:10.1016/j.nima.2022.166834

Cited by 1 publication

(1 citation statement)

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“…The active girder positioning system is kinematically similar to the pre-alignment platforms; relying on six universal joints to perfectly constrain the position of the girder, however larger joints are used for the required stiffness [7]. The girder is moved using five high resolution linear actuators and the position will be measured by Wire Position Sensors (WPS).…”

Section: Active Girder Alignmentmentioning

confidence: 99%

Design, testing, and validating the CLIC module pre-alignment and alignment systems

Capstick,

Doebert,

Rossi

et al. 2024

J. Phys.: Conf. Ser.

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The Compact Linear Collider requires micron-level alignment of the key accelerator components within the two 21 km main LINACs to achieve the desired luminosity. Several Super Accelerating Structures (SAS) will be pre-aligned on a single common support structure to within 14μm. This common support structure will then be actively aligned relative to a Machine Reference Network, and in operation beam-based alignment will be used to achieve the final 1 μm alignment required. A design for the SAS pre-alignment system has been created, prototyped, and tested, and shown to match the design performance within 2.3 μm/turn, and to meet the specification requirements. A design for the active girder alignment system has also been created, prototyped, and initial testing has begun. This testing indicates that the system works as designed. Finally, the testing required to confirm this, and to fully validate the CLIC alignment procedure, is discussed.

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Section: Active Girder Alignmentmentioning

confidence: 99%