A microwave engineer's view of MRI

Abbas Omar; Robert Caverly; William E. Doherty; Ronald Watkins; Anand Gopinath; J. Thomas Vaughan

doi:10.1109/MMM.2011.940318

A microwave engineer's view of MRI

Abbas Omar, Robert Caverly, William E. Doherty, Ronald Watkins, Anand Gopinath, J. Thomas Vaughan

Research output: Contribution to specialist publication › Article

14 Scopus citations

Abstract

The subject of magnetic resonance imaging (MRI) is considered and examined from the perspective of a microwave engineer. The static magnetic field and the RF magnetic field are denoted by their field intensities H ₀ and H ₁ instead of the corresponding flux densities B ₀ and B ₁. The interaction between these magnetic fields and the material is considered in both the time and frequency domains. One of the assumptions used for simplifying the solution to the problem involves considering the magnetic field as a superposition of a weak time-varying part radiated by the magnetic polarization P ^(m) only and a much stronger static axially directed one H _0(r).

Original language	English (US)
Pages	78-86
Number of pages	9
Volume	12
No	3
Specialist publication	IEEE Microwave Magazine
DOIs	https://doi.org/10.1109/MMM.2011.940318
State	Published - May 2011

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10.1109/MMM.2011.940318

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abstract = "The subject of magnetic resonance imaging (MRI) is considered and examined from the perspective of a microwave engineer. The static magnetic field and the RF magnetic field are denoted by their field intensities H 0 and H 1 instead of the corresponding flux densities B 0 and B 1. The interaction between these magnetic fields and the material is considered in both the time and frequency domains. One of the assumptions used for simplifying the solution to the problem involves considering the magnetic field as a superposition of a weak time-varying part radiated by the magnetic polarization P (m) only and a much stronger static axially directed one H 0(r).",

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AU - Omar, Abbas

AU - Caverly, Robert

AU - Doherty, William E.

AU - Watkins, Ronald

AU - Gopinath, Anand

AU - Vaughan, J. Thomas

PY - 2011/5

Y1 - 2011/5

N2 - The subject of magnetic resonance imaging (MRI) is considered and examined from the perspective of a microwave engineer. The static magnetic field and the RF magnetic field are denoted by their field intensities H 0 and H 1 instead of the corresponding flux densities B 0 and B 1. The interaction between these magnetic fields and the material is considered in both the time and frequency domains. One of the assumptions used for simplifying the solution to the problem involves considering the magnetic field as a superposition of a weak time-varying part radiated by the magnetic polarization P (m) only and a much stronger static axially directed one H 0(r).

AB - The subject of magnetic resonance imaging (MRI) is considered and examined from the perspective of a microwave engineer. The static magnetic field and the RF magnetic field are denoted by their field intensities H 0 and H 1 instead of the corresponding flux densities B 0 and B 1. The interaction between these magnetic fields and the material is considered in both the time and frequency domains. One of the assumptions used for simplifying the solution to the problem involves considering the magnetic field as a superposition of a weak time-varying part radiated by the magnetic polarization P (m) only and a much stronger static axially directed one H 0(r).

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JO - IEEE Microwave Magazine

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A microwave engineer's view of MRI

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