Magnetic field imaging with atomic Rb vapor

TL;DR

This paper demonstrates a method for dynamic magnetic field imaging using atomic Rb vapor and electromagnetically induced transparency, achieving high spatial resolution and sensitivity.

Contribution

It introduces a novel imaging technique for magnetic fields based on atomic vapor EIT, with experimental validation using Rb gas.

Findings

Field of view is about 2 x 2 mm^2

Detection uncertainty is 0.14 mG per 10 um x 10 um pixel

Effective imaging of magnetic fields created by a wire

Abstract

We demonstrate the possibility of dynamic imaging of magnetic fields using electromagnetically induced transparency in an atomic gas. As an experimental demonstration we employ an atomic Rb gas confined in a glass cell to image the transverse magnetic field created by a long straight wire. In this arrangement, which clearly reveals the essential effect, the field of view is about 2 x 2 mm^2 and the field detection uncertainty is 0.14 mG per 10 um x 10 um image pixel.