The measurement of magnetic fields has a long and rich history, beginning with the invention of the compass. The earliest known compass, the “south-governor” (sinan), dates back over 2000 years. Among ...

This report shows the results of a test survey aimed at collecting reference data using four different UAV-based (Unmanned Aerial Vehicle) magnetometers against UXO (Unexploded Ordnance) surrogate ...

This report shows the results of a test survey aimed at comparing four different UAV-based (Unmanned Aerial Vehicle) magnetometers and their capabilities to detect various infrastructure utilities.

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 ...

A highly sensitive diamond quantum magnetometer utilizing nitrogen-vacancy centers can achieve millimeter-scale resolution magnetoencephalography (MEG), as reported by scientists from Tokyo Tech. The ...

The tree diagram shows three perspectives for evaluating the sensitivity limits (green leaves). These perspectives are interconnected (red dashed lines) and are constrained by fundamental principles ...

A research team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed a compact dynamic cantilever magnetometer with a diameter of just 22 mm, achieving ...

The researchers fabricated chip-based interferometers (pictured) to measure how light propagating through a magneto-optic material changed in response to a magnetic field. WASHINGTON — Researchers ...

A groundbreaking fiber-coupled diamond magnetometer has been possible by Element Six’s high purity CVD diamond and is set to advance structural material aging and medical diagnostics. A group of ...