Optical atomic magnetometry for magnetic induction tomography of the heart

Abstract

We report on the use of radio-frequency optical atomic magnetometers for magnetic induction tomography measurements. We demonstrate the imaging of dummy targets of varying conductivities placed in the proximity of the sensor, in an unshielded environment at room-temperature and without background subtraction. The images produced by the system accurately reproduce the characteristics of the actual objects. Furthermore, we perform finite element simulations in order to assess the potential for measuring low-conductivity biological tissues with our system. Our results demonstrate the feasibility of an instrument based on optical atomic magnetometers for magnetic induction tomography imaging of biological samples, in particular for mapping anomalous conductivity in the heart.

arXiv comment10 pages, 6 figures

References in corpus (4)

• Optical Magnetometry
• A Low-Noise High-Density Alkali Metal Scalar Magnetometer
• Electromagnetic induction imaging with a radio-frequency atomic magnetometer
• Magnetic induction tomography using an all-optical ${}^{87}$Rb atomic magnetometer

Cited by in corpus (4)

• Electromagnetic induction imaging with a scanning radio-frequency atomic magnetometer
• Machine learning based localization and classification with atomic magnetometers
• Sub-Sm${}^{-1}$ electromagnetic induction imaging with an unshielded atomic magnetometer
• Electromagnetic induction imaging with atomic magnetometers: unlocking the low-conductivity regime