Non-linear Electromagnetics for Real-Time Materials Detection

The Problem

A large class of minerals of interest – including sulphides and iron ores – are difficult to detect using magnetic resonance. This is because the detected signal is at the same frequency as the large pulse of radio frequency power put into the material initially.

Our Solution

There is potential to measure a radio response from non-linear material properties (such as conductivity, permittivity or permeability) that all the detection of harmonics that are twice or three times the carrier frequency. This will increase the range of materials identifiable through magnetic resonance and consequently the applications of the technique.

Collaborators

This project is lead b Peter Coghill (MR) in collaboration with David Miljak (MR) and is supported by Postdoctoral Fellow Larissa Huston (MR).