Author: Mainaud Durand, H.
Paper Title Page
TUPAB307 Robust Optical Instrumentation for Accelerator Alignment Using Frequency Scanning Interferometry 2203
 
  • M. Sosin, H. Mainaud Durand, F. Micolon, V. Rude, J.M. Rutkowski
    CERN, Geneva, Switzerland
 
  The precise alignment of components inside particle accelerators is an important engineering challenge in high-energy physics. Optical interferometry, being a precise, optical distance measurement technique, is often a method of choice in such applications. However, classical fringe-counting interferometers present several drawbacks in terms of system complexity. Due to the increasing availability of broadband, high-speed, sweeping laser sources, Frequency Scanning Interferometry (FSI) based systems, using Fourier analysis of the interference signal, are becoming a subject of growing interest. In the framework of the High-Luminosity LHC project at CERN, a range of FSI-based sensor solutions have been developed and tested. It includes the optical equipment for monitoring the position of cryogenic components inside their cryostats and FSI instrumentation like inclinometers and water-based levelling sensors. This paper presents the results of preliminary tests of these components.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-TUPAB307  
About • paper received ※ 17 May 2021       paper accepted ※ 07 June 2021       issue date ※ 12 August 2021  
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