DataVXAIP AdvancesPaper
journal article·2017-03-01Open access

Active compensation of magnetic field distortions based on vector spherical harmonics field description

G. Wyszyński, K. Bodek, S. Afach, G. Bison, Z. Chowdhuri, M. Daum, B. Franke, S. Komposch, B. Lauss, D. Ries, G. Zsigmond, M. Perkowski, D. Rozpedzik, J. Zejma, M. Fertl, P. A. Koss, N. Severijns, E. Wursten, K. Kirch, A. Kozela, G. Quéméner, A. Schnabel, (nEDM at PSI Collaboration)

AIP Advances· Volume 7· Issue 3
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Source abstract

Abstract

An analytic solution to the magnetostatic inverse problem in the framework of vector spherical harmonic basis functions is presented. This formalism is used for the design of a spherical magnetic field compensation system and its performance is compared with an already existing rectangular coil system. The proposed set of spherical coils with 15 degrees of freedom achieves a shielding factor of 1000 or better in a large part of the volume enclosed by the coils for a dipolar type external perturbation.
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Research context

OpenAlex topics: Magnetic Field Sensors Techniques · Atomic and Subatomic Physics Research · Inertial Sensor and Navigation

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Jagiellonian University 1 Institute of Physics, , 30-348 Krakow, Poland

Institute for Particle Physics 2 , Eidgenössische Technische Hochschule, CH-8093 Zürich, Switzerland

Paul Scherrer Institute 3 , CH-5232 Villigen PSI, Switzerland

KU Leuven University 4 Department of Physics and Astronomy, , 3000 Leuven, Belguim

Institute of Nuclear Physics PAN 5 , 31-342 Krakw, Poland

CNRS/IN2P3 6 Laboratoire de Physique Corpusculaire de Caen, ENSICAEN, , 14050 Caen Cedex, France

Physikalisch Technische Bundesanstalt 7 , 10587 Berlin, Germany

Funding

Narodowe Centrum Nauki · Agence Nationale de la Recherche · Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung

References (16)

Show source-provided references
1. The search for the neutron electric dipole moment at the Paul Scherrer Institute10.1016/j.phpro.2011.06.032 ↗
2. A new optical magnetometer for MCG measurements in a low-cost shielding room10.1016/j.ics.2007.02.039 ↗
3. Neuromagnetic SQUID measurement in a superconducting magnetic shield10.1109/77.783921 ↗
4. The 8-layered magnetically shielded room of the PTB: Design and construction
5. 1999
6. Design of an active magnetic field compensation system for MiniCLEAN10.1016/j.nima.2012.09.030 ↗
7. Active compensation of stray magnetic fields at LIPSION10.1016/s0168-583x(03)01027-9 ↗
8. Dynamic stabilization of the magnetic field surrounding the neutron electric dipole moment spectrometer at the Paul Scherrer Institute10.1063/1.4894158 ↗
9. Vector spherical harmonics and their application to magnetostatics10.1088/0143-0807/6/4/014 ↗
10. The inverse source problems of magnetostatics and electrostatics10.1088/0266-5611/3/4/005 ↗
11. Stream function approach for determining optimal surface currents10.1016/S0021-9991(03)00320-6 ↗
12. Comparison of magnetic field uniformities for discretized and finite-sized standard, solenoidal, and spherical coils10.1016/j.nima.2013.05.013 ↗
13. Spherical coils for uniform magnetic fields10.1088/0950-7671/43/7/311 ↗
14. Uniform magnetic field produced by three, four, and five square coils10.1063/1.1137480 ↗
15. Calculating the singular values and pseudo-inverse of a matrix10.1137/0702016 ↗
16. 2009