Physics – Instrumentation and Detectors
Scientific paper
2007-09-13
ECONF C0705302:MET05,2007
Physics
Instrumentation and Detectors
4 pages, 3 figures, Proceedings of the LCWS07/ILC Conference, Hamburg 2007
Scientific paper
Linear Collider Alignment and Survey (LiCAS) R&D group is proposing a novel automated metrology instrument dedicated to align and monitor the mechanical stability of a future linear high energy e+e- collider. LiCAS uses Laser Straightness Monitors (LSM) and Frequency Scanning Interferometry (FSI) for straightness and absolute distance measurements, respectively. This paper presents detailed simulations of a LiCAS system operating inside a Rapid Tunnel Reference Surveyor (RTRS train). With the proposed design it is feasible to achieve the required vertical accuracy of the order of 200 micons over 600 m tunnel sections meeting the specification for the TESLA collider.
Dale Jim
Dawson Martin
Green Jeremy
Grzelak Grzegorz
Han Yang
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