Magnetic field camera for zero-field conditions.

Authors

Ronja Rasser, Peter A Koss, Svenja Knappe, Karsten Buse

Published in

Optics express. Volume 34. Issue 15. Pages 28293-28308. Jul 27, 2026.

Abstract

We present a zero-field optically pumped magnetometer using a 300 µm-thick rubidium vapor cell, which is read out with a camera. The camera enables the measurement system to take more than 7 000 individual measurement points in a circle of 4 mm diameter using a single vapor cell. Using the camera allows a spatial resolution of approximately 40 µm, which is limited by the quality of the optical signal. The measurement of a dynamic magnetic-field gradient, oscillating with a frequency of 130 Hz, confirms that the magnetic-field camera can record time-dependent magnetic field patterns.

PMID:
42596462
Bibliographic data and abstract were imported from PubMed on 14 Aug 2026.

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