Recent progress of atomic magnetometers for geomagnetic applications
Y Lu, T Zhao, W Zhu, L Liu, X Zhuang, G Fang, X Zhang - Sensors, 2023 - mdpi.com
The atomic magnetometer is currently one of the most-sensitive sensors and plays an
important role in applications for detecting weak magnetic fields. This review reports the …
important role in applications for detecting weak magnetic fields. This review reports the …
Miniature biplanar coils for alkali-metal-vapor magnetometry
Atomic spin sensors offer precision measurements using compact microfabricated
packages, placing them in a competitive position for both market and research applications …
packages, placing them in a competitive position for both market and research applications …
Quantum-enhanced magnetometry at optimal number density
C Troullinou, VG Lucivero, MW Mitchell - Physical Review Letters, 2023 - APS
We study the use of squeezed probe light and evasion of measurement backaction to
enhance the sensitivity and measurement bandwidth of an optically pumped magnetometer …
enhance the sensitivity and measurement bandwidth of an optically pumped magnetometer …
Quantum magnetic gradiometer with entangled twin light beams
In the past few decades, optical magnetometry has experienced remarkable development
and reached to an outstanding sensitivity. For magnetometry based on optical readout of …
and reached to an outstanding sensitivity. For magnetometry based on optical readout of …
Recent Developments in Fabrication Methods and Measurement Schemes for Optically Pumped Magnetic Gradiometers: A Comprehensive Review
H Dong, H Ye, M Hu, Z Ma - Micromachines, 2023 - mdpi.com
Optically pumped gradiometers have long been utilized in measurement in the International
Geomagnetic Reference Field (IGRF). With advancements in technologies such as laser …
Geomagnetic Reference Field (IGRF). With advancements in technologies such as laser …
Interspecies spin-noise correlations in hot atomic vapors
We report an experimental and theoretical study of spin-noise correlations in a Rb 87-Cs
133 unpolarized alkali-metal vapor dominated by spin-exchange collisions. We observe …
133 unpolarized alkali-metal vapor dominated by spin-exchange collisions. We observe …
Magnetoencephalogram-based brain–computer interface for hand-gesture decoding using deep learning
Advancements in deep learning algorithms over the past decade have led to extensive
developments in brain–computer interfaces (BCI). A promising imaging modality for BCI is …
developments in brain–computer interfaces (BCI). A promising imaging modality for BCI is …
Heading-error-free optical atomic magnetometry in the earth-field range
We demonstrate an alignment-based Rb 87 magnetometer that is immune to nonlinear
Zeeman (NLZ) splitting, addressing an important problem in alkali-metal atomic …
Zeeman (NLZ) splitting, addressing an important problem in alkali-metal atomic …
Laser-written vapor cells for chip-scale atomic sensing and spectroscopy
We report the fabrication of alkali-metal vapor cells using femtosecond laser machining. This
laser-written vapor-cell (LWVC) technology allows arbitrarily-shaped 3D interior volumes …
laser-written vapor-cell (LWVC) technology allows arbitrarily-shaped 3D interior volumes …
Light-shift-free and dead-zone-free atomic-orientation-based scalar magnetometry using a single amplitude-modulated beam
QQ Yu, SQ Liu, CQ Yuan, D Sheng - Physical Review Applied, 2022 - APS
The detection dead zones and heading errors induced by light shifts are two important
problems in optically pumped scalar magnetometry. We introduce an atomic-orientation …
problems in optically pumped scalar magnetometry. We introduce an atomic-orientation …