Magnetic induction tomography using an all-optical $^{87}$Rb atomic magnetometer

TL;DR

This paper demonstrates Magnetic Induction Tomography using an all-optical $^{87}$Rb atomic magnetometer, achieving accurate conductivity mapping and highlighting potential for miniaturized, highly sensitive imaging instruments.

Contribution

It introduces the use of an all-optical atomic magnetometer for MIT, showing high accuracy in shape and size reconstruction of conductive objects.

Findings

Accurate conductivity maps of objects were obtained.

Shape and size of samples matched actual objects well.

Potential for miniaturized, sensitive MIT devices is demonstrated.

Abstract

We demonstrate Magnetic Induction Tomography (MIT) with an all-optical atomic magnetometer. Our instrument creates a conductivity map of conductive objects. Both shape and size of the imaged samples compare very well with the actual shape and size. Given the potential of all-optical atomic magnetometers for miniaturization and extreme sensitivity, the proof-of-principle presented here opens up promising avenues in the development of instrumentation for magnetic induction tomography.