Electromagnetic Analysis and Design in Magnetic Resonance Imaging  book cover
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Electromagnetic Analysis and Design in Magnetic Resonance Imaging




ISBN 9780849396939
Published September 29, 1998 by CRC Press
282 Pages

 
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Book Description

This book presents a comprehensive treatment of electromagnetic analysis and design of three critical devices for an MRI system - the magnet, gradient coils, and radiofrequency (RF) coils. Electromagnetic Analysis and Design in Magnetic Resonance Imaging is unique in its detailed examination of the analysis and design of the hardware for an MRI system. It takes an engineering perspective to serve the many scientists and engineers in this rapidly expanding field.
Chapters present:

  • an introduction to MRI
  • basic concepts of electromagnetics, including Helmholtz and Maxwell coils, inductance calculation, and magnetic fields produced by special cylindrical and spherical surface currents
  • principles for the analysis and design of gradient coils, including discrete wires and the target field method
  • analysis of RF coils based on the equivalent lumped-circuit model as well as an analysis based on the integral equation formulation
  • survey of special purpose RF coils
  • analytical and numerical methods for the analysis of electromagnetic fields in biological objects
    With the continued, active development of MRI instrumentation, Electromagnetic Analysis and Design in Magnetic Resonance Imaging presents an excellent, logically organized text - an indispensable resource for engineers, physicists, and graduate students working in the field of MRI.
  • Table of Contents

    INTRODUCTION TO MAGNETIC RESONANCE IMAGING
    Introduction
    Physical Principles of Nuclear Magnetic resonance
    Hardware of Magnetic Resonance Imaging
    Basic Pulse Sequences and Imaging Methods
    BASIC ELECTROMAGNETIC THEORY
    Introduction
    Brief Review of Vector Analysis
    Magnetostatic Fields in Free Space
    Helmholtz and Maxwell Coils
    Boundary Conditions for Magnetostatic Fields
    Magnetostatic Fields in Source-Free Regions
    Magnetostatic Fields Produced by Cylindrical and Spherical Surface Currents
    Inductance Calculation
    Time-Varying Electromagnetic Fields
    Time-Harmonic Fields
    Appendices
    ANALYSIS AND DESIGN OF GRADIENT COILS
    Introduction
    Effect of Coil 'sInductance
    Figure of Merit
    Gradient Coils Made of Discrete Wires
    Magnetic Field Produced by a Cylindrical Surface Current.
    Target Field Method
    Shielded Gradient Coils
    Minimization of Inductance and Power Dissipation
    Planar Gradient Coils
    Appendices
    ANALYSIS AND DESIGN OF RF COILS
    Introduction
    Concepts of Resonance and Reciprocity
    Equivalent Circuit Method
    Analysis of RF Shields
    Field Inhomogeneity of Birdcage Coil
    Method of Moments Analysis
    Miscellaneous Topics
    RF FIELDS IN BIOLOGICAL OBJECTS
    Introduction
    Analytical Analysis
    Two-Dimensional Numerical Analysis
    Three-Dimensional Numerical Analysis
    APPENDIX: ABOUT THE SOFTWARE
    Each chapter also contains Problems and References

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