Detail publikace

Magnetic susceptibility measurement using 2D magnetic resonance imaging

MARCOŇ, P. BARTUŠEK, K. POKLUDOVÁ, M. DOKOUPIL, Z.

Originální název

Magnetic susceptibility measurement using 2D magnetic resonance imaging

Typ

článek v časopise - ostatní, Jost

Jazyk

angličtina

Originální abstrakt

The authors describe a nuclear magnetic resonance (NMR) method for measuring the magnetic susceptibility of bar-shaped samples that have an arbitrary cross-section and do not produce an MR signal. The method is based on the measurement of the 2D map of the reaction field in the vicinity of a non-ferromagnetic sample and on the calculation of magnetic susceptibility from a known reaction field. The verification of the technique was realized via modelling the measured configuration in the ANSYS program by means of the finite element method and through an experimental measurement of MR-compatible and MR-incompatible materials carried out on a tomograph. A great advantage of the proposed susceptibility evaluation method consists in the use of only standard commercially used devices without the need of any special sequences. The method is suitable for bar-shaped samples having an arbitrary cross-section; moreover, conditions are given for the selection of the cross-section/length ratio of a sample to be measured.

Klíčová slova

magnetic flux density, magnetic susceptibility, MRI, MR signal, reaction field

Autoři

MARCOŇ, P.; BARTUŠEK, K.; POKLUDOVÁ, M.; DOKOUPIL, Z.

Rok RIV

2011

Vydáno

19. 8. 2011

Nakladatel

IOP PUBLISHING

ISSN

0957-0233

Periodikum

Measurement Science and Technology

Ročník

2011

Číslo

22

Stát

Spojené království Velké Británie a Severního Irska

Strany od

1

Strany do

8

Strany počet

8

URL

http://iopscience.iop.org/0957-0233/22/10/105702

BibTex

@article{BUT72946,
  author="Petr {Marcoň} and Karel {Bartušek} and Michaela {Pokludová} and Zdeněk {Dokoupil}",
  title="Magnetic susceptibility measurement using 2D magnetic resonance imaging",
  journal="Measurement Science and Technology",
  year="2011",
  volume="2011",
  number="22",
  pages="1--8",
  issn="0957-0233",
  url="http://iopscience.iop.org/0957-0233/22/10/105702"
}