Microscopic magnetic field imaging with hot atoms via single-pixel imaging
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918135555162112 |
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| author | Torre, Cyril Brass, Jordan Bisdee, Sebastien Rasheed, Mohammed T. Ferranti, Giacomo Weidner, Carrie A. |
| author_facet | Torre, Cyril Brass, Jordan Bisdee, Sebastien Rasheed, Mohammed T. Ferranti, Giacomo Weidner, Carrie A. |
| contents | In recent years, sensors based on hot atomic vapor cells have emerged as a compact and highly sensitive means of measuring magnetic fields. Such sensors have been deployed in the field for the measurement of, e.g. biological systems, representing a promising practical application of quantum technologies. However, it remains challenging to obtain high-resolution magnetic field images from these sensors, and in most cases the spatial resolution of the system is limited by the sensor size. Here, we demonstrate the combination of single-pixel imaging (SPI) techniques with an atom vapor. Faraday magnetometer to achieve microscopic magnetic field imaging. We demonstrate magnetic field imaging with a spatial resolution of $\approx~62.5μm$, limited only by the resolution of our DMD projection system and the absence of magnetic shielding in our experimental setup. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_13869 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Microscopic magnetic field imaging with hot atoms via single-pixel imaging Torre, Cyril Brass, Jordan Bisdee, Sebastien Rasheed, Mohammed T. Ferranti, Giacomo Weidner, Carrie A. Atomic Physics Optics In recent years, sensors based on hot atomic vapor cells have emerged as a compact and highly sensitive means of measuring magnetic fields. Such sensors have been deployed in the field for the measurement of, e.g. biological systems, representing a promising practical application of quantum technologies. However, it remains challenging to obtain high-resolution magnetic field images from these sensors, and in most cases the spatial resolution of the system is limited by the sensor size. Here, we demonstrate the combination of single-pixel imaging (SPI) techniques with an atom vapor. Faraday magnetometer to achieve microscopic magnetic field imaging. We demonstrate magnetic field imaging with a spatial resolution of $\approx~62.5μm$, limited only by the resolution of our DMD projection system and the absence of magnetic shielding in our experimental setup. |
| title | Microscopic magnetic field imaging with hot atoms via single-pixel imaging |
| topic | Atomic Physics Optics |
| url | https://arxiv.org/abs/2508.13869 |