Results 11 to 20 of about 918,830 (250)

Analysis and Correction of the Crosstalk Effect in a Three-Axis SERF Atomic Magnetometer

open access: yesPhotonics, 2022
Three-axis atomic magnetometers have an excellent advantage for determining the complete vector information of a magnetic field to be measured. However, the crosstalk effect, which leads to an error output on one axis owing to a magnetic field on the ...
Yeguang Yan   +7 more
doaj   +1 more source

The suppression of the probe laser pumping effect in SERF atomic magnetometer

open access: yesFrontiers in Physics, 2023
Introduction: A spin exchange relaxation free atomic magnetometer, as an ultra-highly sensitive magnetic field sensor, is limited by the performance of the probe laser system.
Qian Cao   +5 more
doaj   +1 more source

Analysis and Suppression of the Cross-Axis Coupling Effect for Dual-Beam SERF Atomic Magnetometer

open access: yesPhotonics, 2022
Spin-exchange relaxation-free (SERF) atomic magnetometers operated under a near-zero magnetic field are used for vector magnetic field measurements with high sensitivity.
Fei Lu   +5 more
doaj   +1 more source

A Novel Measurement Method for Spin Polarization Three Axis Spatial Distribution in Spin-Exchange Relaxation Free Atomic Magnetometer

open access: yesPhotonics, 2023
The measurement of atomic spin polarization distribution in spin-exchange relaxation free (SERF) magnetometer is an important topic for improving the sensitivity and consistency of multi-channel magnetic field measurement applications.
Xiujie Fang   +7 more
doaj   +1 more source

Precise Determination of Magnetic Gradient Relaxation of Coupled Atomic Spin Ensemble in Spin-Exchange Relaxation-Free Co-Magnetometer

open access: yesPhotonics, 2023
Inside a spin-exchange relaxation-free (SERF) co-magnetometer with a high-pressure buffer gas atomic cell, the magnetic field gradient causes the decoherence of atomic spins to produce magnetic-field gradient relaxation.
Xiujie Fang   +7 more
doaj   +1 more source

On-Chip Mach-Zehnder-Like Interferometer for Atomic Spin Precession Detection

open access: yesIEEE Photonics Journal, 2023
At present, most atomic spin precession detection schemes use discrete optical elements, which lead to bulky detection systems. However, chip-based spin precession detection schemes lack modulation, resulting in lower detection sensitivity. In this paper,
Zhibo Cui   +4 more
doaj   +1 more source

Nonzero-Order Resonances in Single-Beam Spin-Exchange Relaxation-Free Magnetometers

open access: yesPhotonics, 2023
Zero-field optically pumped magnetometers operating in the spin-exchange relaxation-free (SERF) regime have been extensively studied, and usually depend on zeroth-order parametric resonance to measure the magnetic field. However, the studies conducted on
Kun Wang   +5 more
doaj   +1 more source

OMMR: Co-registration toolbox of OPM-MEG and MRI

open access: yesFrontiers in Neuroscience, 2022
Magnetoencephalography (MEG) based on optically pumped magnetometers (OPM-MEG) has shown better flexibility in sensor configuration compared with the conventional superconducting quantum interference devices-based MEG system while being better suited for
Fuzhi Cao   +19 more
doaj   +1 more source

Optimal design of bi-planar heater with magnetic field self-suppression configuration based on multi-objective optimization

open access: yesResults in Physics, 2023
As a crucial component, the vapor cell serves as the fundamental sensing element in various atomic sensors, and electric heating is typically required to enhance the density of alkali metal atoms.
Huimin Wang   +4 more
doaj   +1 more source

Progress and applications of quantum precision measurement based on SERF effect

open access: yesFrontiers in Physics, 2022
With the development of quantum precision measurement technology, measurement methods based on magnetic, optical and atomic interactions have started to receive widespread attention.
Yueyang Zhai   +5 more
doaj   +1 more source

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