Results 21 to 30 of about 133,832 (263)

A novel geomagnetic satellite constellation: Science and applications

Earth and Planetary Physics, 2023
The European Space Agency (ESA)’s Swarm constellation of a trio of geomagnetic survey satellites in nearly circular polar orbits at altitude about \begin{document}$500$\end{document} km was launched on 22 November 2013 and has been mapping the Earth’s ...
Keke Zhang
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Far-field mapping of the longitudinal magnetic and electric optical fields [PDF]

Optics Letters, 2013
In this letter, we demonstrate the experimental mapping of the longitudinal magnetic and electric optical fields with a standard scanning microscope that involves a high numerical aperture far-field objective. The imaging concept relies upon the insertion of an azimuthal or a radial polarizer within the detection path of the microscope which acts as an
Ecoffey, Clément, Grosjean, Thierry
openaire   +4 more sources

High-Resolution Environmental Magnetism Using the Quantum Diamond Microscope (QDM): Application to a Tropical Speleothem

Frontiers in Earth Science, 2021
Quantum diamond microscope (QDM) magnetic field imaging is a recently developed technique capable of mapping magnetic field sources in geologic samples at 1 micrometer resolution.
Roger R. Fu, Kimberly Hess, Plinio Jaqueto, Plinio Jaqueto, Valdir F. Novello, Tyler Kukla, Ricardo I. F. Trindade, Nicolás M. Stríkis, Francisco W. Cruz, Oren Ben Dor, Oren Ben Dor   +10 more
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A magnetically compatible, arbitrary positioning system for accurate spatial mapping of magnetic fields for shimming studies in MRI

Magnetic Resonance Letters
After the fabrication of magnetic resonance superconducting magnets, the magnetic field inhomogeneity needs to be accurately measured for subsequent shimming.
Yiqing Yin, Wenchen Wang, Shihe Zhao, Hui Wang, Junsheng Cheng, Shunzhong Chen, Wenhui Yang, Feng Liu, Yaohui Wang   +8 more
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NUMERICAL ASPECTS OF THE SECONDARY MAGNETIC FIELD MAPPING IN MAGNETIC INDUCTION TOMOGRAPHY

Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2017
Magnetic Induction Tomography (MIT) belongs to the noncontact electromagnetic imaging techniques. This paper focuses on determination of a secondary magnetic field map calculated with the help of the Biot-Savart law around the low-conductivity object ...
Beata Szuflitowska, Marcin Ziolkowski, Krzysztof Stawicki   +2 more
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Iterative Restoration of the Fringe Phase (REFRASE) for QSM

Frontiers in Neuroscience, 2021
In quantitative susceptibility mapping (QSM), reconstructed results can be critically biased by misinterpreted or missing phase data near the edges of the brain support originating from the non-local relationship between field and susceptibility.
Johannes Lindemeyer, Wieland A. Worthoff, Aliaksandra Shymanskaya, N. Jon Shah, N. Jon Shah, N. Jon Shah, N. Jon Shah   +6 more
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A Scalable Magnetic Field Mapping Approach for Pouch-Type Lithium-Ion Batteries

Applied Sciences
Ensuring safety in energy storage systems increasingly relies on advanced diagnostic tools, among which magnetic field mapping plays a critical role. This work aims to develop and validate a high-sensitivity magnetic field sensor array for accurate field
Luiz G. C. Melo, Chun H. Law
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Geoelectric monitoring at the Boulder magnetic observatory [PDF]

Geoscientific Instrumentation, Methods and Data Systems, 2017
Despite its importance to a range of applied and fundamental studies, and obvious parallels to a robust network of magnetic-field observatories, long-term geoelectric field monitoring is rarely performed.
C. C. Blum, T. C. White, E. A. Sauter, D. C. Stewart, P. A. Bedrosian, J. J. Love   +5 more
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T2* Magnetic Resonance Imaging Uncovers Hemosiderin Burden in Pediatric Hemophilia: A Call for Sensitive Imaging Biomarkers

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Hemophilic arthropathy remains the leading morbidity in hemophilia despite modern prophylaxis, and early joint damage may be missed by routine exams. This study explored T2* MRI as a noninvasive biomarker of hemosiderin deposition in pediatric hemophilia.
Jessica Garcia, Tarique Hussain, Jeanne Dillenbeck, Matthew Hammer, Annette von Drygalski, Guy Young, Ayesha Zia   +6 more
wiley   +1 more source

Observation of quenching-induced magnetic flux trapping using a magnetic field and temperature mapping system

Physical Review Accelerators and Beams, 2022
Highly efficient superconducting radio-frequency cavities exhibit low heat loss and are used as components in accelerators and superconducting devices due to their high Q-values.
Takafumi Okada, Eiji Kako, Mika Masuzawa, Hiroshi Sakai, Ryuichi Ueki, Kensei Umemori, Tsuyoshi Tajima   +6 more
doaj   +1 more source