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Better Sensors For Medical Imaging, Contraband Detection
In this image, laser light enters a synthetic diamond from a facet at its corner and bounces around inside the diamond until its energy is exhausted. This excites "nitrogen vacancies" that can be used to measure magnetic fields.
Credit: H. Clevenson/MIT Lincoln Laboratory
MIT researchers have developed a new, ultrasensitive magnetic-field detector that is 1,000 times more energy-efficient than its predecessors. It could lead to miniaturized, battery-powered devices for medical and materials imaging, contraband detection, and even geological exploration.
From MIT News Office
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