PCB coil array for measuring curved accelerator dipoles: two case studies on the MedAustron accelerator

Giancarlo Golluccio, Anthony Beaumont, Marco Buzio, Olaf Dunkel, Markus Stockner, Thomas Zickler
Abstract:
Printed Circuit Boards (PCB) are largely used as measurement devices. Recently they have found applications in magnetic field measurements of accelerator magnets, in particular in rotating coil system, thanks to the quality that can be achieved in terms of coil area and winding distribution. In this paper the application of such technology to produce an array of coils for measuring the integral field homogeneity inside curved accelerator dipole magnets is presented. A set of static coils measuring the flux variations during a current pulse, which are installed on parallel paths of the particle trajectory, is the so-called “fluxmeter”. After an introduction to the challenges to face in measuring large curved dipoles, we describe the measurement requirements and constraints, required by the MedAustron accelerators synchrotron and high energy transfer line dipoles. In the second part, the design and technical details of the PCB and the whole fluxmeter structure are reported. The last section is dedicated to the method used for the relative calibration of the coils and the results.
Keywords:
magnetic measurements, particle accelerator, dipole magnets
Download:
IMEKO-TC4-2014-311.pdf
DOI:
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Event details
IMEKO TC:
TC4
Event name:
TC4 Symposium 2014
Title:

20th IMEKO TC4 Symposium on Measurements of Electrical Quantities (together with 18th TC4 International Workshop on ADC and DCA Modeling and Testing, IWADC)
"Research on Electrical and Electronic Measurement for the Economic Upturn"

Place:
Benevento, ITALY
Time:
15 September 2014 - 17 September 2014