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German physicists boost diamond magnetic sensor contrast with laser cavity

Researchers led by Florian Schall at the Fraunhofer Institute for Applied Solid State Physics have replaced fluorescence readout in nitrogen–vacancy diamond sensors with a laser-cavity method that offers far higher contrast for detecting magnetic fields.

Laser cavity boosts nitrogen–vacancy magnetic sensor
German physicists boost diamond magnetic sensor contrast with laser cavity
PieterJanStas · Public domain · rights
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Researchers led by Florian Schall at the Fraunhofer Institute for Applied Solid State Physics have replaced fluorescence readout in nitrogen–vacancy diamond sensors with a laser-cavity method that offers far higher contrast for detecting magnetic fields.