Hall-Probe Bench for Insertion-Device Characterization at LNLS

Hall-Probe Bench for Insertion-Device Characterization at LNLS

A 4.2-m-long Hall-probe bench was developed for high-precision magnetic characterization of insertion devices at the Brazilian Synchrotron Light Laboratory. In this paper, its mechanical and electrical features are described, as well as the procedures applied to improve accuracy and repeatability. T...

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Veröffentlicht in:IEEE transactions on instrumentation and measurement 2007-12, Vol.56 (6), p.2725-2730
Hauptverfasser: Tosin, G., Citadini, J.F., Conforti, E.
Format: Artikel
Sprache:eng
Schlagworte:
Coils
Hall effect devices
Hall probes
insertion devices (IDs)
Intrusion detection
Laboratories
magnetic characterization
Magnetic devices
Magnetic field measurement
magnetic-field measurements
magnets
Probes
rotating coil
sources of errors
Synchrotrons
Testing
Undulators
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Beschreibung
Zusammenfassung:A 4.2-m-long Hall-probe bench was developed for high-precision magnetic characterization of insertion devices at the Brazilian Synchrotron Light Laboratory. In this paper, its mechanical and electrical features are described, as well as the procedures applied to improve accuracy and repeatability. Tests used to establish measuring precision were performed in a 2-T planar wiggler, which is 2.8-m long, with periods of 180 mm. The obtained fields were integrated and compared with the rotating-coil measurements.
ISSN:0018-9456
1557-9662
DOI:10.1109/TIM.2007.908123