A Rotating-Coil Magnetometer for Scanning Transversal Field Harmonics in Accelerator Magnets

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This paper presents a rotating-coil magnetometer that was designed and validated for scanning local transversal field harmonics, required for extracting so-called pseudo-multipoles in accelerator magnets. The magnetometer consists of four layers of flexible printed circuits with a track thickness of...

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Autores principales: Arpaia, Pasquale, Caiafa, Gianni, Russenschuck, Stephan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2019
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6365526/
https://www.ncbi.nlm.nih.gov/pubmed/30728396
http://dx.doi.org/10.1038/s41598-018-37371-3
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author Arpaia, Pasquale
Caiafa, Gianni
Russenschuck, Stephan
author_facet Arpaia, Pasquale
Caiafa, Gianni
Russenschuck, Stephan
author_sort Arpaia, Pasquale
collection PubMed
description This paper presents a rotating-coil magnetometer that was designed and validated for scanning local transversal field harmonics, required for extracting so-called pseudo-multipoles in accelerator magnets. The magnetometer consists of four layers of flexible printed circuits with a track thickness of 40 μm. The design aimed at maximizing the sensitivity factors for field harmonics up to order 13 and at a compensation ratio for the main component in the same range of what is achievable with standard rotating coils. Key innovative features of the induction coil are the shape for minimizing the sensitivity to the longitudinal field component and the manufacturing technology. The design, the uncertainty analysis of the manufacturing tolerances, as well as preliminary application results are presented.
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spelling pubmed-63655262019-02-08 A Rotating-Coil Magnetometer for Scanning Transversal Field Harmonics in Accelerator Magnets Arpaia, Pasquale Caiafa, Gianni Russenschuck, Stephan Sci Rep Article This paper presents a rotating-coil magnetometer that was designed and validated for scanning local transversal field harmonics, required for extracting so-called pseudo-multipoles in accelerator magnets. The magnetometer consists of four layers of flexible printed circuits with a track thickness of 40 μm. The design aimed at maximizing the sensitivity factors for field harmonics up to order 13 and at a compensation ratio for the main component in the same range of what is achievable with standard rotating coils. Key innovative features of the induction coil are the shape for minimizing the sensitivity to the longitudinal field component and the manufacturing technology. The design, the uncertainty analysis of the manufacturing tolerances, as well as preliminary application results are presented. Nature Publishing Group UK 2019-02-06 /pmc/articles/PMC6365526/ /pubmed/30728396 http://dx.doi.org/10.1038/s41598-018-37371-3 Text en © The Author(s) 2019 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Arpaia, Pasquale
Caiafa, Gianni
Russenschuck, Stephan
A Rotating-Coil Magnetometer for Scanning Transversal Field Harmonics in Accelerator Magnets
title A Rotating-Coil Magnetometer for Scanning Transversal Field Harmonics in Accelerator Magnets
title_full A Rotating-Coil Magnetometer for Scanning Transversal Field Harmonics in Accelerator Magnets
title_fullStr A Rotating-Coil Magnetometer for Scanning Transversal Field Harmonics in Accelerator Magnets
title_full_unstemmed A Rotating-Coil Magnetometer for Scanning Transversal Field Harmonics in Accelerator Magnets
title_short A Rotating-Coil Magnetometer for Scanning Transversal Field Harmonics in Accelerator Magnets
title_sort rotating-coil magnetometer for scanning transversal field harmonics in accelerator magnets
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6365526/
https://www.ncbi.nlm.nih.gov/pubmed/30728396
http://dx.doi.org/10.1038/s41598-018-37371-3
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