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Proceedings Paper

Optimized coils for electromagnetic induction systems
Author(s): Mark A. Reed; Waymond R. Scott Jr.
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Paper Abstract

Electromagnetic induction (EMI) systems often use separate transmit and receive coils. In these systems, it is desirable for the transmit and receive coils to have minimal mutual coupling and a maximum eld product, thus maximizing the detection depth. We demonstrate that a pair of spiral coils can be optimized to achieve these desired properties. A mathematical representation is chosen for the coils that allows the coil pair to be optimized using an iterative convex method, which, due to its convexity, is very fast. We then present results showing both a pair of nonuniformly-wound, single-sided spiral coils and a pair of nonuniformly-wound, double-sided, spiral coils created with this optimization.

Paper Details

Date Published: 7 June 2013
PDF: 11 pages
Proc. SPIE 8709, Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XVIII, 87090B (7 June 2013); doi: 10.1117/12.2017955
Show Author Affiliations
Mark A. Reed, Georgia Institute of Technology (United States)
Waymond R. Scott Jr., Georgia Institute of Technology (United States)

Published in SPIE Proceedings Vol. 8709:
Detection and Sensing of Mines, Explosive Objects, and Obscured Targets XVIII
J. Thomas Broach; Jason C. Isaacs, Editor(s)

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