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arXiv · 2609.24596

Vector Measurements Using Integrated Radio Frequency Atomic Magnetometers

Ayse Marasli·Thomas W. Kornack·D. Casey Oware·Karen L. Sauer
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Abstract

We demonstrate reconstruction of three-dimensional radio-frequency (RF) magnetic-field vectors using a pair of integrated RF atomic magnetometers operated with orthogonal bias-field orientations. A theoretical and experimental analysis identifies a phase-ambiguity dead band that limits reconstruction when the two sensor responses become nearly identical. Measurements performed in an unshielded laboratory environment demonstrate accurate reconstruction of RF magnetic-field orientations and validate the predicted dependence of reconstruction accuracy on signal imbalance. These results establish integrated RF atomic magnetometers as a compact and sensitive platform for directional RF magnetic-field sensing, particularly at low frequencies, and provide a foundation for portable source-localization and field-mapping applications.

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Ayse Marasli, Thomas W. Kornack, D. Casey Oware, Karen L. Sauer. 2026-09-21. Vector Measurements Using Integrated Radio Frequency Atomic Magnetometers. https://arxiv.org/abs/2609.24596

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