Results 21 to 30 of about 202,952 (145)

Polarization‐Improved Bidirectional‐Pump Atomic Magnetometer Based on Spin‐Decoupled Metasurface [PDF]

open access: yesAdvanced Science
The optically pumped atomic magnetometer (OPAM) has emerged as an advanced instrument for magnetic field detection. However, the performance of conventional OPAMs is constrained by factors such as non‐uniform atomic polarization and insufficient ...
Shuo Sun   +6 more
doaj   +2 more sources

Study on the measurement of magnetic vector potentials using an optically pumped atomic magnetometer [PDF]

open access: yes, 2023
岩手大学博士(工学)原著論文 Differential behavior of magnetic field and magnetic vector potential in an optically pumped Rb atomic magnetometer, Yuya Shoji, Masahiro Daibo, AIP Advances, 13(2), 025127, 2023doctoral ...
正路, 裕也, SHOJI, Yuya
core   +1 more source

A High-Sensitivity Cesium Atomic Magnetometer Based on A Cesium Spectral Lamp

open access: yesApplied Sciences, 2023
Based on a low-noise cesium spectral lamp, a high-sensitivity self-oscillating cesium atomic magnetometer with a wide operating temperature range has been developed, solving problems with existing sensors such as a limited operating temperature range and
Yuan-Tian Lu   +7 more
doaj   +1 more source

Design of Compact Optically Pumped Vector Magnetometer [PDF]

open access: yes
The Svenja and Regal research groups are collaboratively advancing the development of scalar and vector magnetometers, including integrated vector-scalar systems.
Rai, Newton
core   +7 more sources

How to build a magnetometer with thermal atomic vapor: a tutorial

open access: yesNew Journal of Physics, 2023
This article is designed as a step-by-step guide to optically pumped magnetometers based on alkali atomic vapor cells. We begin with a general introduction to atomic magneto-optical response, as well as expected magnetometer performance merits and how ...
Anne Fabricant   +2 more
doaj   +1 more source

An Iterative Implementation of the Signal Space Separation Method for Magnetoencephalography Systems with Low Channel Counts

open access: yesSensors, 2023
The signal space separation (SSS) method is routinely employed in the analysis of multichannel magnetic field recordings (such as magnetoencephalography (MEG) data).
Niall Holmes   +3 more
doaj   +1 more source

Measuring Magneto-Mechanical Hysteresis during Fatigue Testing using Optically Pumped Magnetometers

open access: yes, 2021
Magnetic and magneto-mechanical testing are commonly used for qualitative characterization of damage in devices and in large test sites. This presentation reports first results obtained with an optically pumped zero-field magnetometer (OPM) in ...
Koss, Peter A.   +6 more
core   +1 more source

Magnetocardiography on an isolated animal heart with a room-temperature optically pumped magnetometer. [PDF]

open access: yesSci Rep, 2018
© 2018, The Author(s). Optically pumped magnetometers are becoming a promising alternative to cryogenically-cooled superconducting magnetometers for detecting and imaging biomagnetic fields.
Jensen K   +7 more
europepmc   +2 more sources

Moving Wearable Magnetoencephalography Measurement Study Based on Optically-pumped Magnetometer

open access: yesChinese Journal of Magnetic Resonance, 2022
Magnetoencephalography is a non-invasive technology for brain function imaging, which is of enormous value to brain science research and clinical application due to its ultra-high temporal and spatial trace resolution.
Chun-qiao CHEN   +7 more
doaj   +1 more source

Dependence on sensitivity patterns of bias fields for vector measurements using optically pumped vapor magnetometers

open access: yesAIP Advances, 2020
The optical light shift effect is an all-optical technique to create magnetic bias fields to determine the vector components of the magnetic field using a scalar optically pumped magnetometer.
Janet W. Lou, Geoffrey A. Cranch
doaj   +1 more source

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