Journal
APPLIED PHYSICS LETTERS
Volume 114, Issue 7, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5084004
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Funding
- ERA-NET Cofund Transnational Call PhotonicSensing-H2020 [688735]
- project Magnetic Induction Tomography with Optical Sensors (MITOS)/Innovate UK [620129]
- Engineering and Physical Sciences Research Council (EPSRC) [EP/R512400/1, EP/N509395/1]
- UK Quantum Technology Hub in Sensing and Metrology, Engineering and Physical Sciences Research Council (EPSRC) [EP/M013294/1]
- EPSRC [EP/M013294/1, 1934329] Funding Source: UKRI
- Innovate UK [620129] Funding Source: UKRI
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We propose and demonstrate a radio-frequency atomic magnetometer with sub-Doppler laser cooled rubidium-87. With a simple and compact design, our system demonstrates a sensitivity of 330 pT/root Hz in an unshielded environment, thus matching or surpassing previously reported cold atom designs. By merging the multiple uses and the robustness of radio-frequency atomic magnetometers with the detailed control of laser cooling, our cold atom radio-frequency magnetometer has potential for moving applications of atomic magnetometry to high spatial resolutions. A direct impact in metrology for applied sciences, materials characterization, and nanotechnology can be anticipated. Published under license by AIP Publishing.
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