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

Bibliographic description

punktacja MEiN [2017 A]: 25

title:	Active compensation of magnetic field distortions based on vector spherical harmonics field description
author:	Wyszyński Grzegorz, Bodek Kazimierz , Afach S., Bison G., Chowdhuri Z., Daum M., Franke B., Komposch S., Lauss B., Reis D., Zsigmond G., Perkowski Maciej , Rozpędzik Dagmara , Zejma Jacek , Fertl M., Koss P. A., Severijns N., Wursten E., Kirch K., Kozela A., Quéméner G., Schnabel A.
institution:	nEDM at PSI Collaboration
journal title:	AIP Advances
volume:	7
issue:	3
date of publication :	2017
article ID:	035216
eISSN:	2158-3226
DOI:	10.1063/1.4978394
language:	English
journal language:	English
abstract in English:	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.
affiliation:	Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego
type:	journal article
subtype:	academic paper