Vector Measurements Using Integrated Radio Frequency Atomic Magnetometers
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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BibTeX
@misc{marasli2026vector,
title = {{Vector Measurements Using Integrated Radio Frequency Atomic Magnetometers}},
author = {Ayse Marasli and Thomas W. Kornack and D. Casey Oware and Karen L. Sauer},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.24596},
eprint = {2609.24596},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.24596},
}
RIS
TY - UNPB
TI - Vector Measurements Using Integrated Radio Frequency Atomic Magnetometers
AU - Ayse Marasli
AU - Thomas W. Kornack
AU - D. Casey Oware
AU - Karen L. Sauer
PY - 2026
DA - 2026/09/21
PB - arXiv
DO - 10.48550/arxiv.2609.24596
UR - https://arxiv.org/abs/2609.24596
AB - 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.
ER -