Crystals doped with rare-earth (RE) ions exhibit very narrow linewidths of the optical transitions. The narrow-line spectra of triply ionized RE elements cover the entire visible and infrared range.

Researchers have designed a self-powering, battery-free, energy-harvesting sensor. Using the framework they developed, they produced a temperature sensor that can harvest and store the energy from the ...

Physicists have unveiled a breakthrough in quantum sensing by demonstrating a 2D material as a versatile platform for next-generation nanoscale vectorial magnetometry. A team of physicists at the ...

Allegro Microsystems, LLC rolled out the A1266, a unique 3D omnipolar magnetic sensor IC integrating a combination of vertical and traditional planar Hall-effect sensor ICs that can detect magnetic ...

Quantum tech is going green. A new take on highly sensitive magnetic field sensors ditches the power-hungry lasers that previous devices have relied on to make their measurements and replaces them ...

Impact of stray magnetic fields on the electrification of motor vehicles. The role of inductive sensors to reduce risk, cost, and size in EMI-laden applications. The clean and efficient design of ...

The average Hackaday reader likely knows, at least in the academic sense, what a magnetic field looks like. But as the gelatinous orbs in our skull can perceive only a tiny fraction of the EM spectrum ...

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The latest reports by tipsters show that Google Pixel 7 may come with a Hall effect sensor to identify magnetic fields. This sensor is also used for flip covers. Google still hasn’t pulled back the ...