Journal ArticleDOI
Properties of some useful two-dimensional magnetic fields
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TLDR
In this paper, the potentials and field vectors for a two-dimensional magnetic field of multipolarity 2N were derived, and the usual results for quadrupoles (N=2), sextupoles (n=3) and octupoles(n=4) were obtained by substituting the appropriate value of N into the general equations.About:
This article is published in Nuclear Instruments and Methods.The article was published on 1968-10-01. It has received 24 citations till now. The article focuses on the topics: Multipole expansion & Field (physics).read more
Citations
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Journal ArticleDOI
Coil optimization for MRI by conjugate gradient descent.
TL;DR: A flexible iterative algorithm is presented for optimizing gradient and radio frequency coils for MRI based on a model using discrete current elements and direct Biot‐Savart calculation of the fields.
Journal ArticleDOI
A Wien Filter for Use as an Energy Analyzer with an Electron Microscope
G. H. Curtis,J. Silcox +1 more
TL;DR: An electron optical system is described which is suitable for energy loss analysis in an electron microscope and a focusing spectrometer of the Wien type has been added underneath the column of a Hitachi HU11A electron microscope.
Journal ArticleDOI
High‐pass bird‐cage coil for nuclear‐magnetic resonance
Joel C. Watkins,Eiichi Fukushima +1 more
TL;DR: In this paper, the design and construction of an eight-rung high-pass bird-cage coil to operate at 80 MHz in a cylindrical bore of a superconducting magnet was described.
Journal ArticleDOI
Passive magnetic shielding in static gradient fields
TL;DR: In this article, the effect of passive magnetic shielding on dc magnetic field gradients imposed by both external and internal sources is studied for two idealized shield models: concentric spherical and infinitely-long cylindrical shells of linear material.
Journal ArticleDOI
Two dimensional magnetic particle spectrometry.
TL;DR: This work presents a new kind of MPS which features two excitation directions to overcome this limitation of state of the art MPS devices, and the time space analysis of particle signals is more precise and easier done.
References
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Journal ArticleDOI
Calculations of Properties of Magnetic Deflection Systems
TL;DR: In this article, a convenient matrix method for calculating properties of magnetic deflection systems is presented, applicable to particle beams of small spatial and angular extent, and small energy spread, and examples are given to show the procedure for calculating the parameters of magnet systems.
Journal ArticleDOI
Complex Representation and Computation of Two‐Dimensional Magnetic Fields
TL;DR: The method of evaluating two-dimensional fields as analytic functions of a complex variable without resorting to absolute values and complex conjugates is described and applied to the magnetic field produced by straight currents in this article.
Journal ArticleDOI
Magnetic center location in multipole fields
J. K. Cobb,J.J. Muray +1 more
TL;DR: In this paper, a procedure for optically locating the magnetic center of multipole magnetic lenses is discussed, which involves the scattering of plane polarized light through a colloidial suspension of ferrosoferric oxide particles.
Journal ArticleDOI
Properties of an infinite focussing channel with successive quadrupole rotations not equal to 90
TL;DR: In this paper, an infinite magnetic quadrupole channel is discussed, where operations in complete transverse plane phase space via 4 x 4 matrix transformations are discussed. But the authors focus on the transverse planes phase space.
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