Results 1 to 10 of about 25,141 (249)

Active Magnetic-Field Stabilization with Atomic Magnetometer [PDF]

open access: yesSensors, 2020
A magnetically-quiet environment is important for detecting faint magnetic-field signals or nonmagnetic spin-dependent interactions. Passive magnetic shielding using layers of large magnetic-permeability materials is widely used to reduce the magnetic ...
Rui Zhang   +7 more
doaj   +5 more sources

Atomic Magnetometer Achieves Visual Salience Analysis in Drosophila [PDF]

open access: yesSensors, 2023
An atomic magnetometer (AM) was used to non-invasively detect the tiny magnetic field generated by the brain of a single Drosophila. Combined with a visual stimulus system, the AM was used to study the relationship between visual salience and oscillatory
Fan Liu   +7 more
doaj   +2 more sources

In-Situ Measurement of Electrical-Heating-Induced Magnetic Field for an Atomic Magnetometer [PDF]

open access: yesSensors, 2020
Electrical heating elements, which are widely used to heat the vapor cell of ultrasensitive atomic magnetometers, inevitably produce a magnetic field interference.
Jixi Lu   +6 more
doaj   +2 more sources

Integrated Polarization-Splitting Grating Coupler for Chip-Scale Atomic Magnetometer [PDF]

open access: yesBiosensors, 2022
Atomic magnetometers (AMs) are widely acknowledged as one of the most sensitive kind of instruments for bio-magnetic field measurement. Recently, there has been growing interest in developing chip-scale AMs through nanophotonics and current CMOS ...
Jinsheng Hu   +6 more
doaj   +2 more sources

Vector Atomic Magnetometer with Free Induction Decay Detection Based on a Microfabricated Vapor Cell [PDF]

open access: yesMicromachines
Atomic magnetometers are highly sensitive instruments widely used for measurements of weak magnetic field. Extracting vector information while maintaining high-precision scalar detection has become the trend in atomic magnetometer development.
Pengbo Jiang   +3 more
doaj   +2 more sources

Ultrasensitive SERF atomic magnetometer with a miniaturized hybrid vapor cell [PDF]

open access: yesMicrosystems & Nanoengineering
The chip-scale hybrid optical pumping spin-exchange relaxation-free (SERF) atomic magnetometer with a single-beam arrangement has prominent applications in biomagnetic measurements because of its outstanding features, including ultrahigh sensitivity, an ...
Yintao Ma   +10 more
doaj   +2 more sources

Metasurface-integrated atomic magnetometer using single-frequency dual beams [PDF]

open access: yesNanophotonics
Quantum sensing is rapidly advancing, creating new opportunities in fields such as fundamental science and advanced manufacturing. The optically pumped atomic magnetometer (OPM), known for its high sensitivity and compact form factor, has become a ...
Li Ruofan   +3 more
doaj   +2 more sources

Pulsed vector atomic magnetometer using an alternating fast-rotating field [PDF]

open access: yesNature Communications
We introduce a vector atomic magnetometer that employs a fast-rotating magnetic field applied to a pulsed 87Rb scalar atomic magnetometer. This approach enables simultaneous measurements of the total magnetic field and its two polar angles relative to ...
Tao Wang   +5 more
doaj   +2 more sources

Improving the Sensitivity of a Dark-Resonance Atomic Magnetometer [PDF]

open access: yesSensors
The combination of unmanned aerial vehicles and atomic magnetometers can be used for detection applications such as mineral resource exploration, environmental protection, and earthquake monitoring, as well as the detection of sunken ships and unexploded
Hao Zhai, Wei Li, Guangxiang Jin
doaj   +2 more sources

Influence of Atomic Magnetometer’s Orientation on Its Frequency Response [PDF]

open access: yesSensors
Due to the high sensitivity and room temperature operation of atomic magnetometers, they have significant applications in many fields. An emerging area is the highly sensitive biomagnetic measurement in magnetically unshielded environments, which is ...
Rui Zhang
doaj   +2 more sources

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