[HTML][HTML] Enabling ambulatory movement in wearable magnetoencephalography with matrix coil active magnetic shielding

N Holmes, M Rea, RM Hill, J Leggett, LJ Edwards… - NeuroImage, 2023 - Elsevier
The ability to collect high-quality neuroimaging data during ambulatory participant
movement would enable a wealth of neuroscientific paradigms. Wearable …

Bi-color atomic beam slower and magnetic field compensation for ultracold gases

J Li, K Lim, S Das, T Zanon-Willette, CH Feng… - AVS Quantum …, 2022 - pubs.aip.org
Transversely loaded bidimensional-magneto-optical-traps (2D-MOTs) have been recently
developed as high flux sources for cold strontium atoms to realize a new generation of …

Atomic gravimeter robust to environmental effects

CD Panda, M Tao, M Ceja, A Reynoso… - Applied Physics …, 2023 - pubs.aip.org
Atomic accelerometers and gravimeters are usually based on freely falling atoms in atomic
fountains, which not only limits their size but also their robustness to environmental factors …

[HTML][HTML] Magnetic field design in a cylindrical high-permeability shield: The combination of simple building blocks and a genetic algorithm

M Packer, PJ Hobson, A Davis, N Holmes… - Journal of Applied …, 2022 - pubs.aip.org
Magnetically sensitive experiments and newly developed quantum technologies with
integrated high-permeability magnetic shields require increasing control of their magnetic …

Magneto-optical trapping in a near-suface borehole

J Vovrosh, K Wilkinson, S Hedges, K McGovern… - PLoS …, 2023 - journals.plos.org
Borehole gravity sensing can be used in a number of applications to measure features
around a well, including rock-type change mapping and determination of reservoir porosity …

Comprehensive characterization of an apparatus for cold electromagnetic dysprosium dipoles

G Anich, N Höllrigl, M Kreyer, R Grimm, E Kirilov - Physical Review A, 2024 - APS
We report on the development of an advanced ultracold dysprosium apparatus, which
incorporates a cold atom microscope (CAM) with a design resolution of a quarter …

Benchtop magnetic shielding for benchmarking atomic magnetometers

PJ Hobson, N Holmes, P Patel, B Styles… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Here, a benchtop hybrid magnetic shield containing four mumetal cylinders and nine
internal flexible printed circuit boards (flex-PCBs) is designed, constructed, tested, and …

Advances in Portable Atom Interferometry-Based Gravity Sensing

J Vovrosh, A Dragomir, B Stray, D Boddice - Sensors, 2023 - mdpi.com
Gravity sensing is a valuable technique used for several applications, including fundamental
physics, civil engineering, metrology, geology, and resource exploration. While classical …

Current Status and Prospects on High-Precision Quantum Tests of the Weak Equivalence Principle with Cold Atom Interferometry

L Yuan, J Wu, SJ Yang - Symmetry, 2023 - mdpi.com
For a hundred years, general relativity has been the best theory to describe gravity and
space–time and has successfully explained many physical phenomena. At the same time …

[HTML][HTML] Bi-planar magnetic stabilisation coils for an inertial sensor based on atom interferometry

A Davis, PJ Hobson, TX Smith, C Morley, HG Sewell… - Physics Open, 2024 - Elsevier
Inertial sensors that measure the acceleration of ultracold atoms promise unrivalled
accuracy compared to classical equivalents. However, atomic systems are sensitive to …